Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2002LEGACY GT WAGON AWD F4-2.5L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESYSTEM SPECIFICATIONSM/T TECHNICAL DATAOVERHAULGENERAL DIMENSIONS AND CLEARANCES
2002 Subaru Legacy GT Wagon AWD F4-2.5L SOHC
General Dimensions and Clearances
2002 Subaru Legacy GT Wagon AWD F4-2.5L SOHCSECTION General Dimensions and Clearances
Manual Transmission and Differential
Transmission Case Assembly
Drive Pinion shim adjustment Hypoid gear backlash
0.13 - 0.18 mm (0.0051 - 0.0071 in)
Selection of main shaft rear plate
Drive Pinion Assembly
Preload adjustment of thrust bearing Starting Torque
0.3 - 0.8 Nm (0.03 - 0.08 Fgf-m, 0.2 - 0.6 ft-lb)
Adjustment washer No.1
Adjusting Washer No.2
Reverse Idler Gear
Adjustment of Reverse idler gear position
Reverse idler gear to Transmission case (LH) wall clearance
6.0 -7.5 mm (0.236 - 0.295 in)
Reverse Shift Lever
After Installing a suitable reverse shifter lever, adjust reverse idler gear to Transmission case wall clearance to within 0 to 0.029 in) using washers.
Washer (20.5 X 26 X t)
Shift Fork and Rod
Select suitable shifter forks so both coupling sleeve and reverse driven gear are positioned in the center of their synchromesh mechanisms.
A 1st-2nd - 3rd-4th
0.4 - 1.4 mm (0.016 - 0.055 in)
B 3rd-4th - 5th
0.5 - 1.3 mm (0.02 - 0.051 in)
1st-2nd Shifter fork
3rd-4th Shifter fork
5th Shifter fork
Extension Assembly
Thrust washer (50 X 61 X t) to taper roller bearing table outer race side clearance
0.2 - 0.3 mm (0.0008 - 0.012 in T)
NOTE:
T: Tight
Thrust washer (50 X 60 X t)
Thrust washer to center differential side clearance
0.15 - 0.35 mm (0.0059 - 0.0138 in)
Thrust Washer
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.