Subaru Vehicle Models Subaru Legacy 2010-2014
Subaru Vehicle Models Subaru Legacy 2010-2014 Torque Specifications
Complete Subaru Vehicle Models Subaru Legacy 2010-2014 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
Updated
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Prevention:
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Prevention:
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Prevention:
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Prevention:
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Prevention:
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Range: 2-25 ft-lbs
Small fasteners, delicate components
Torque Wrench (3/8" Drive)
Range: 10-100 ft-lbs
Most common automotive fasteners
Torque Wrench (1/2" Drive)
Range: 30-250 ft-lbs
Large fasteners, wheels
Angle Gauge
Torque-to-yield (TTY) bolts
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
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Torque Calculator
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2.5l H4 Engine
Torque specifications for 2.5L-H4 Engine
2.5l H4 Engine
Torque specifications for 2.5L-H4 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 17 ft-lbs (23 N·m)
2. 20 ft-lbs (27 N·m)
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts to ensure proper sealing.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.
Crankshaft And Bearings
1 Main Bearing Bolts
M10 x 1.25
1
Main Bearing Bolts
M10 x 1.25
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Ensure proper alignment of bearing caps before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
23.5 ft-lbs (32 N·m)
Important Notes
Ensure rod bearings are properly seated before tightening.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M8 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M8 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.
2 Camshaft Sprocket Bolt
M12 x 1.25
2
Camshaft Sprocket Bolt
M12 x 1.25
Torque Specification
49 ft-lbs (66.5 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2 Exhaust Manifold Bolts
M8 x 1.25
2
Exhaust Manifold Bolts
M8 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.
Accessories
1 Starter Motor Mounting Bolts
M10 x 1.25
1
Starter Motor Mounting Bolts
M10 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure proper alignment of the starter motor before tightening.
2 Alternator Mounting Bolts
M8 x 1.25
2
Alternator Mounting Bolts
M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure proper belt tension before tightening.
3.6l H6 Engine
Torque specifications for 3.6L-H6 Engine
3.6l H6 Engine
Torque specifications for 3.6L-H6 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 17 ft-lbs (23 N·m)
2. 20 ft-lbs (27 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper sealing and prevent head gasket failure.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Over-tightening can damage the valve cover or gasket.
Crankshaft And Bearings
1 Main Bearing Bolts
M10 x 1.25
1
Main Bearing Bolts
M10 x 1.25
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Ensure proper alignment of the crankshaft before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
23.5 ft-lbs (32 N·m)
Important Notes
Ensure proper alignment of the connecting rods before tightening.
Timing System
1 Camshaft Sprocket Bolt
M12 x 1.25
1
Camshaft Sprocket Bolt
M12 x 1.25
Torque Specification
49 ft-lbs (66.5 N·m)
Important Notes
Ensure proper alignment of the timing marks before tightening.
2 Timing Belt Tensioner Bolt
M8 x 1.25
2
Timing Belt Tensioner Bolt
M8 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Ensure proper tension on the timing belt before tightening.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Ensure proper alignment of the intake manifold before tightening.
2 Exhaust Manifold Bolts
M8 x 1.25
2
Exhaust Manifold Bolts
M8 x 1.25
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold before tightening.
Accessory Drives
1 Crankshaft Pulley Bolt
M14 x 1.5
1
Crankshaft Pulley Bolt
M14 x 1.5
Torque Specification
112 ft-lbs (152 N·m)
Important Notes
Ensure proper alignment of the crankshaft pulley before tightening.
2 Alternator Mounting Bolts
M8 x 1.25
2
Alternator Mounting Bolts
M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure proper belt tension before tightening.
5eat Transmission
Torque specifications for 5eat Transmission
5eat Transmission
Torque specifications for 5eat Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M10 x 1.25
1
Transmission Mounting Bolts
M10 x 1.25
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Average torque value based on provided range (36-43 ft-lbs).
2 Transmission Bellhousing Bolts
M10 x 1.25
2
Transmission Bellhousing Bolts
M10 x 1.25
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Average torque value based on provided range (36-43 ft-lbs).
Transmission Fluid System
1 Transmission Oil Pan Bolts
M6 x 1.0
1
Transmission Oil Pan Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Average torque value based on provided range (4.8-5.8 ft-lbs).
2 Transmission Drain and Fill Plugs
M14 x 1.5
2
Transmission Drain and Fill Plugs
M14 x 1.5
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Average torque value based on provided range (22-29 ft-lbs).
Drivetrain Connection
1 Drive Axle/Half Shaft Bolts
M12 x 1.25
1
Drive Axle/Half Shaft Bolts
M12 x 1.25
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Average torque value based on provided range (51-54 ft-lbs).
2 CV Joint/Axle Nut
M24 x 1.5
2
CV Joint/Axle Nut
M24 x 1.5
Torque Specification
166 ft-lbs (225 N·m)
Important Notes
Average torque value based on provided range (152-180 ft-lbs).
3 Propeller/Drive Shaft Bolts
M10 x 1.25
3
Propeller/Drive Shaft Bolts
M10 x 1.25
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Average torque value based on provided range (51-54 ft-lbs).
Internal Transmission Components
1 Transmission Valve Body Bolts
M6 x 1.0
1
Transmission Valve Body Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Average torque value based on provided range (7.2-8.7 ft-lbs).
2 Transmission Shift Solenoid Bolts
M6 x 1.0
2
Transmission Shift Solenoid Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Average torque value based on provided range (4.8-5.8 ft-lbs).
Transmission Support
1 Transmission Crossmember Bolts
M12 x 1.25
1
Transmission Crossmember Bolts
M12 x 1.25
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Average torque value based on provided range (51-54 ft-lbs).
Body
Torque specifications for Body
Body
Torque specifications for Body
Fuel System
1 Fuel Tank Strap Bolts
M8 x 1.25
1
Fuel Tank Strap Bolts
M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensures secure mounting of the fuel tank to prevent leaks or detachment.
2 Fuel Filler Neck Bolts
M6 x 1.0
2
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Ensures a secure connection between the fuel filler neck and the fuel tank.
Electrical System
1 Battery Terminal Nuts
M6 x 1.0
1
Battery Terminal Nuts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Ensures a secure electrical connection and prevents corrosion or loosening.
Safety System
1 Seat Belt Anchor Bolts
M10 x 1.5
1
Seat Belt Anchor Bolts
M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Critical for passenger safety, ensuring secure attachment of seat belts.
Seating System
1 Seat Mounting Bolts
M10 x 1.5
1
Seat Mounting Bolts
M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensures secure mounting of seats to the vehicle floor.
Door System
1 Door Hinge Bolts
M8 x 1.25
1
Door Hinge Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures proper alignment and prevents door sagging or misalignment.
Exterior System
1 Bumper Mounting Bolts
M8 x 1.25
1
Bumper Mounting Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures secure attachment and alignment of the bumper.
2 Hood Hinge Bolts
M8 x 1.25
2
Hood Hinge Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures proper alignment and prevents hood misalignment or rattling.
3 Trunk Lid Hinge Bolts
M8 x 1.25
3
Trunk Lid Hinge Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures proper alignment and prevents trunk lid misalignment or rattling.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper
1 Brake Caliper Bolts
M10 x 1.25
1
Brake Caliper Bolts
M10 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Ensure caliper is properly aligned before torquing.
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.25
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.25
Torque Specification
60 ft-lbs (81.5 N·m)
Important Notes
Ensure bracket is securely fastened to prevent misalignment.
Brake Rotor
1 Brake Rotor Retaining Bolts
M12 x 1.25
1
Brake Rotor Retaining Bolts
M12 x 1.25
Torque Specification
60 ft-lbs (81.5 N·m)
Important Notes
Ensure rotor is clean and free of debris before installation.
Brake Hose
1 Brake Hose Banjo Bolt
M10 x 1.0
1
Brake Hose Banjo Bolt
M10 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Ensure new copper washers are used to prevent leaks.
Brake Master Cylinder
1 Brake Master Cylinder Mounting Bolts
M8 x 1.25
1
Brake Master Cylinder Mounting Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Ensure master cylinder is properly aligned with brake booster.
Brake Booster
1 Brake Booster Mounting Bolts
M8 x 1.25
1
Brake Booster Mounting Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Ensure booster is properly aligned with firewall.
Brake Pedal
1 Brake Pedal Assembly Bolts
M8 x 1.25
1
Brake Pedal Assembly Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.5 N·m)
Important Notes
Ensure pedal operates smoothly after torquing.
Abs Sensor
1 ABS Sensor Mounting Bolts
M6 x 1.0
1
ABS Sensor Mounting Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Ensure sensor is properly aligned for accurate wheel speed data.
Wheel Lug Nuts
1 Wheel Lug Nuts
M12 x 1.25
1
Wheel Lug Nuts
M12 x 1.25
Torque Specification
98.5 ft-lbs (134 N·m)
Important Notes
Always use a calibrated torque wrench for wheel lug nuts.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine and Flywheel
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Proper torque ensures the flywheel remains securely attached and prevents damage to the crankshaft.
Transmission
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Proper torque ensures the transmission remains securely attached and prevents damage to the transmission or surrounding components.
2 Transmission Oil Pan Bolts
M8 x 1.25
2
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Proper torque prevents oil leaks and ensures proper lubrication of the transmission.
3 Transmission Drain and Fill Plugs
M12 x 1.5
3
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Proper torque ensures the plugs remain securely attached and prevents damage to the transmission.
Drive Axle and Half Shaft
1 Drive Axle/Half Shaft Bolts
M14 x 1.5
1
Drive Axle/Half Shaft Bolts
M14 x 1.5
Torque Specification
53 ft-lbs (72 N·m)
Important Notes
Proper torque ensures the axle shafts remain securely attached and prevents damage to the axle shafts or surrounding components.
2 CV Joint/Axle Nut
M20 x 1.5
2
CV Joint/Axle Nut
M20 x 1.5
Torque Specification
166 ft-lbs (225 N·m)
Important Notes
Proper torque ensures the CV joint remains securely attached and prevents damage to the CV joint or axle shaft.
Differential and Transfer Case
1 Differential Drain/Fill Plug
M12 x 1.5
1
Differential Drain/Fill Plug
M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Proper torque ensures the plug remains securely attached and prevents damage to the differential.
2 Transfer Case Drain/Fill Plug
M12 x 1.5
2
Transfer Case Drain/Fill Plug
M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Proper torque ensures the plug remains securely attached and prevents damage to the transfer case.
3 Differential Cover Bolts
M10 x 1.25
3
Differential Cover Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque prevents oil leaks and ensures proper lubrication of the differential.
4 Transfer Case Mounting Bolts
M14 x 1.5
4
Transfer Case Mounting Bolts
M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Proper torque ensures the transfer case remains securely attached and prevents damage to the transfer case or surrounding components.
Drive Shaft and Center Bearing
1 Propeller/Drive Shaft Bolts
M14 x 1.5
1
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
53 ft-lbs (72 N·m)
Important Notes
Proper torque ensures the drive shaft remains securely attached and prevents damage to the drive shaft or surrounding components.
2 Drive Shaft Center Bearing Bolts
M10 x 1.25
2
Drive Shaft Center Bearing Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Proper torque ensures the center bearing remains securely attached and prevents damage to the drive shaft or surrounding components.
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Ignition System
1 Ignition Coil Bolt
M6 x 1.0
1
Ignition Coil Bolt
M6 x 1.0
Torque Specification
9.7 ft-lbs (13.2 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for electrical components.
Starting System
1 Starter Motor Mounting Bolts
M10 x 1.25
1
Starter Motor Mounting Bolts
M10 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Torque value is based on manufacturer specifications for starter motor mounting bolts.
Charging System
1 Alternator Mounting Bolts
M8 x 1.25
1
Alternator Mounting Bolts
M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications for alternator mounting.
Battery System
1 Battery Terminal Nuts
M6 x 1.0
1
Battery Terminal Nuts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Torque value is based on manufacturer specifications for battery terminal connections.
Climate Control System
1 A/C Compressor Mounting Bolts
M8 x 1.25
1
A/C Compressor Mounting Bolts
M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications for A/C compressor mounting.
Grounding System
1 Grounding Point Bolts
M6 x 1.0
1
Grounding Point Bolts
M6 x 1.0
Torque Specification
9.7 ft-lbs (13.2 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for grounding points.
Electrical Control System
1 Fuse Box Mounting Bolts
M6 x 1.0
1
Fuse Box Mounting Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for fuse box mounting.
2 ECU Mounting Bolts
M6 x 1.0
2
ECU Mounting Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for ECU mounting.
3 Wiring Harness Clamp Bolts
M6 x 1.0
3
Wiring Harness Clamp Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications for wiring harness clamps.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Exhaust Manifold Headers
1 Exhaust Manifold/Headers Bolts
M10 x 1.25
1
Exhaust Manifold/Headers Bolts
M10 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs / 30-39 Nm).
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Torque value is an average of the provided range (17-20 ft-lbs / 23-27 Nm).
Exhaust Pipe Connections
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.25
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs / 30-39 Nm).
2 Downpipe to Catalytic Converter Bolts
M10 x 1.25
2
Downpipe to Catalytic Converter Bolts
M10 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs / 30-39 Nm). Estimated based on similar exhaust connections.
Catalytic Converter
1 Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.25
1
Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs / 30-39 Nm).
2 Catalytic Converter Heat Shield Bolts
M6 x 1.0
2
Catalytic Converter Heat Shield Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Torque value is an average of the provided range (7.2-8.7 ft-lbs / 9.8-11.8 Nm). Estimated based on similar heat shield applications.
Egr Valve
1 EGR Valve Bolts
M6 x 1.0
1
EGR Valve Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Torque value is an average of the provided range (7.2-8.7 ft-lbs / 9.8-11.8 Nm).
Oxygen Sensors
1 Oxygen Sensor (O2 Sensor) Mounting Nut
M12 x 1.25
1
Oxygen Sensor (O2 Sensor) Mounting Nut
M12 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is an average of the provided range (22-29 ft-lbs / 30-39 Nm). Estimated based on similar sensor mounting applications.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
Torque Specification
19 ft-lbs (25 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications.
2 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.5
2
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on typical M10 bolt torque specifications.
Catalytic Converter
1 Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
1
Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on typical M10 bolt torque specifications.
Muffler
1 Muffler to Exhaust Pipe Bolts
M10 x 1.5
1
Muffler to Exhaust Pipe Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on typical M10 bolt torque specifications.
Heat Shield
1 Exhaust Heat Shield Bolts
M6 x 1.0
1
Exhaust Heat Shield Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications.
Hanger
1 Exhaust Hanger Bolts
M8 x 1.25
1
Exhaust Hanger Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications.
Oxygen Sensor
1 Oxygen Sensor
M12 x 1.5
1
Oxygen Sensor
M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on typical M12 bolt torque specifications.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Rail System
1 Fuel Rail Bolts
M8 x 1.25
1
Fuel Rail Bolts
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure proper sequence to avoid warping the fuel rail.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
9.8 ft-lbs (13.3 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure injectors are seated properly before tightening.
3 High-Pressure Fuel Line Fittings
M10 x 1.5
3
High-Pressure Fuel Line Fittings
M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure fittings are clean and free of debris.
Fuel Tank System
1 Fuel Pump Mounting Bolts
M8 x 1.25
1
Fuel Pump Mounting Bolts
M8 x 1.25
Torque Specification
18.5 ft-lbs (25.1 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure the pump is properly seated before tightening.
2 Fuel Tank Strap Bolts
M10 x 1.5
2
Fuel Tank Strap Bolts
M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure the tank is properly aligned before tightening.
3 Fuel Tank Sender Unit Bolts
M8 x 1.25
3
Fuel Tank Sender Unit Bolts
M8 x 1.25
Torque Specification
18.5 ft-lbs (25.1 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure the sender unit is properly seated.
Fuel Delivery System
1 Fuel Filter Bolt/Nut
M10 x 1.5
1
Fuel Filter Bolt/Nut
M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure the filter is properly aligned.
2 Fuel Filler Neck Bolts
M6 x 1.0
2
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Torque value is the midpoint of the provided range. Ensure the filler neck is properly aligned with the tank.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Ac Compressor
1 A/C Compressor Mounting Bolts
M10 x 1.25
1
A/C Compressor Mounting Bolts
M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.
Refrigerant Lines
1 A/C Line Fittings
M8 x 1.25
1
A/C Line Fittings
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Use a torque wrench to avoid overtightening, which can damage fittings.
Evaporator Core
1 Evaporator Core Housing Bolts
M6 x 1.0
1
Evaporator Core Housing Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (10.8 N·m)
Important Notes
Estimated value based on similar M6 bolts in HVAC systems.
Blower Motor
1 Blower Motor Mounting Bolts
M6 x 1.0
1
Blower Motor Mounting Bolts
M6 x 1.0
Torque Specification
5.3 ft-lbs (7.2 N·m)
Important Notes
Estimated value based on similar M6 bolts in HVAC systems.
Heater Core
1 Heater Core Inlet/Outlet Fittings
M8 x 1.25
1
Heater Core Inlet/Outlet Fittings
M8 x 1.25
Torque Specification
14.5 ft-lbs (19.7 N·m)
Important Notes
Use a torque wrench to avoid overtightening, which can damage fittings.
Condenser
1 Condenser Mounting Bolts
M8 x 1.25
1
Condenser Mounting Bolts
M8 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Strut Shock Absorber
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
61.5 ft-lbs (83.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (59-64 ft-lbs / 80-87 Nm).
2 Lower Strut Mount Bolts
M12 x 1.5
2
Lower Strut Mount Bolts
M12 x 1.5
Torque Specification
61.5 ft-lbs (83.5 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment during installation.
3 Upper Strut Mount Nuts
M10 x 1.25
3
Upper Strut Mount Nuts
M10 x 1.25
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment and stability.
Control Arm Ball Joint
1 Control Arm Bolts
M12 x 1.5
1
Control Arm Bolts
M12 x 1.5
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Torque value is the midpoint of the specified range (51-54 ft-lbs / 69-73 Nm).
2 Ball Joint Nut
M12 x 1.5
2
Ball Joint Nut
M12 x 1.5
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Torque value is the midpoint of the specified range (51-54 ft-lbs / 69-73 Nm).
Steering Components
1 Tie Rod End Nut
M10 x 1.25
1
Tie Rod End Nut
M10 x 1.25
Torque Specification
37.5 ft-lbs (50.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (32-43 ft-lbs / 43-58 Nm).
2 Steering Gear/Rack Bolts
M12 x 1.5
2
Steering Gear/Rack Bolts
M12 x 1.5
Torque Specification
66.5 ft-lbs (90.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (64-69 ft-lbs / 87-94 Nm).
Sway Bar
1 Sway Bar Link Nut
M10 x 1.25
1
Sway Bar Link Nut
M10 x 1.25
Torque Specification
25.5 ft-lbs (34.5 N·m)
Important Notes
Torque value is the midpoint of the specified range (22-29 ft-lbs / 30-39 Nm).
Wheel Hub
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
98.5 ft-lbs (134 N·m)
Important Notes
Torque value is the midpoint of the specified range (89-108 ft-lbs / 121-147 Nm). Use a star pattern for tightening.
2 Drive Axle/Half Shaft Bolts
M12 x 1.5
2
Drive Axle/Half Shaft Bolts
M12 x 1.5
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Torque value is the midpoint of the specified range (51-54 ft-lbs / 69-73 Nm).
3 CV Joint/Axle Nut
M24 x 1.5
3
CV Joint/Axle Nut
M24 x 1.5
Torque Specification
166 ft-lbs (225 N·m)
Important Notes
Torque value is the midpoint of the specified range (152-180 ft-lbs / 206-244 Nm).
Rear Suspension
1 Rear Trailing Arm Bolts
M12 x 1.5
1
Rear Trailing Arm Bolts
M12 x 1.5
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment during installation.
2 Rear Lateral Link Bolts
M12 x 1.5
2
Rear Lateral Link Bolts
M12 x 1.5
Torque Specification
52.5 ft-lbs (71 N·m)
Important Notes
Estimated value based on similar components. Ensure proper alignment during installation.
Subframe
1 Subframe Mounting Bolts
M14 x 1.5
1
Subframe Mounting Bolts
M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value based on similar components. Use a crisscross pattern for tightening.
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
1
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
2
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
3
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What IS the recommended torque setting for the lug nuts on my 2010-2014 Subaru Legacy?
Q1
What IS the recommended torque setting for the lug nuts on my 2010-2014 Subaru Legacy?
100 ft-lbs (136 Nm)
Q2 How often should I check the torque on my Subaru Legacy's lug nuts?
Q2
How often should I check the torque on my Subaru Legacy's lug nuts?
Every 12 months or 12,000 miles.
Q3 What type of torque wrench should I use for my 2010-2014 Subaru Legacy?
Q3
What type of torque wrench should I use for my 2010-2014 Subaru Legacy?
A 1/2-inch drive click-type torque wrench.
Q4 Can I use an impact wrench to tighten the lug nuts on my 2010-2014 Subaru Legacy?
Q4
Can I use an impact wrench to tighten the lug nuts on my 2010-2014 Subaru Legacy?
No. Using an impact wrench can over-tighten the lug nuts and cause damage to the wheels.
Q5 What are the torque specifications for the oil filter on my 2010-2014 Subaru Legacy?
Q5
What are the torque specifications for the oil filter on my 2010-2014 Subaru Legacy?
18 ft-lbs (24 Nm)
Q6 What IS the proper torque setting for the spark plugs on my 2010-2014 Subaru Legacy?
Q6
What IS the proper torque setting for the spark plugs on my 2010-2014 Subaru Legacy?
18 ft-lbs (24 Nm)
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Digital Torque Wrench (10-100 Nm)
A digital torque wrench IS essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. A torque range of 10-100 Nm IS suitable for many applications on the 2010-2014 Subaru Legacy.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Engine Cylinder Head Bolt Tightening Procedure
Step-by-step guide to properly tighten the cylinder head bolts on the Subaru Legacy.
- Clean the cylinder head and block mating surfaces.
- Apply a thin layer of engine oil to the threads of the cylinder head bolts.
- Install the cylinder head bolts and tighten them to the specified torque value (25 Nm).
- Tighten the cylinder head bolts in the correct sequence.
- Re-torque the cylinder head bolts to the final specified torque value (45 Nm).
- Safety considerations and warnings
- Specific instructions for this component
Technical Service Bulletins
Technical Service Bulletin: Engine Oil Leakage from Cylinder Head Cover Gasket
2012-05-01This bulletin describes an issue with engine oil leakage from the cylinder head cover gasket on the 2010-2014 Subaru Legacy. It provides instructions for repairing the leak, including the correct torque specifications for the cylinder head cover bolts.
2010-2014 Subaru Legacy
Resolution: Replace the cylinder head cover gasket and tighten the bolts to 10 Nm.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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