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 MANUALSSUBARU1998FORESTER L, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - 4-SPEEDCOMPONENT DISASSEMBLY & REASSEMBLYFORWARD CLUTCH DRUMREASSEMBLY
1998 Subaru Forester L, Automatic
Forward Clutch Drum: Reassembly
1998 Subaru Forester L, AutomaticSECTION Reassembly
- Align forward piston cut out portion with spline of drum and install. See Fig 2 . Install overrunning piston. Using spring compressor, install springs, spring retainer and snap ring onto drum.
- Install overrunning clutch dish plate, driven plates, drive plates, pressure plate and snap ring. Ensure correct dish plate installation. See Fig 2 and Figure . Install forward clutch dish plates, driven plates, drive plates, pressure plate and snap rings. Ensure correct dish plate installation. See Fig 2 and Figure . Install front planetary carrier snap ring.
- Check forward clutch and overrunning clutch for operation. Set one-way clutch inner race and apply compressed air to check. Measure clearance between pressure plates and snap rings of forward clutch and overrunning clutch. See FORWARD & OVERRUNNING CLUTCH CLEARANCE table. If clearance is not within specifications, select appropriate pressure plate to obtain proper clearance. See FORWARD CLUTCH PRESSURE PLATE and OVERRUNNING CLUTCH PRESSURE PLATE tables.
- Install one-way clutch needle bearing and snap ring. Install 1st-2nd one-way clutch, plate and snap ring. Set inner race and ensure forward clutch moves freely in clockwise direction and locks in counterclockwise direction. See Fig 1 .
FORWARD & OVERRUNNING CLUTCH CLEARANCE
| Application | In. (mm) |
|---|---|
| Forward Clutch Standard Clearance | .018-.034 (.45-.85) |
| Forward Clutch Allowable Limit | .063 (1.60) |
| Overrunning Clutch Standard Clearance | .039-.055 (1.00-1.40) |
| Overrunning Clutch Allowable Limit | .079 (2.00) |
FORWARD CLUTCH PRESSURE PLATE
| Part No. | Thickness In. (mm) |
|---|---|
| 31567AA270 | .157 (4.00) |
| 31567AA280 | .165 (4.20) |
| 31567AA290 | .173 (4.40) |
| 31567AA300 | .181 (4.60) |
| 31567AA310 | .189 (4.80) |
| 31567AA320 | .197 (5.00) |
| 31567AA330 | .205 (5.20) |
OVERRUNNING CLUTCH PRESSURE PLATE
| Part No. | Thickness In. (mm) |
|---|---|
| 31567AA120 | .315 (8.00) |
| 31567AA130 | .323 (8.20) |
| 31567AA140 | .331 (8.40) |
| 31567AA150 | .339 (8.60) |
| 31567AA160 | .346 (8.80) |
| 31567AA170 | .354 (9.00) |
| 31567AA180 | .362 (9.20) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.