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 MANUALSCHEVROLET1985IMPALA 4.3 Z, 700R4/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - 200CCOMPONENT DISASSEMBLY & REASSEMBLYFORWARD CLUTCHREASSEMBLY
1985 Chevrolet Impala 4.3 Z, 700R4/MD8
Forward Clutch: Reassembly
1985 Chevrolet Impala 4.3 Z, 700R4/MD8SECTION Reassembly
- Install clutch apply ring on piston. Install new inner and outer seals on piston, with seal lips facing away from apply ring side. Lubricate seals with transmission fluid. Install piston into housing. Install retainer and spring assembly into housing. Compress retainer and springs, and install retaining snap ring.CAUTION: Use care when installing piston past large snap ring groove as groove could cut outer piston seal.
- Lubricate with transmission fluid then install forward clutch plates into housing starting with waved steel plate then alternating flat steel plates and composition plates until all clutch plates are installed.
- See FORWARD CLUTCH PLATE USAGE . Install backing plate (chamfered side up) and clutch pack snap ring. Install new turbine shaft seal rings (if removed) and forward clutch-to-direct clutch thrust washer.
NOTE:
After reassembly is completed, ensure composition faced clutch plates turn freely.
FORWARD CLUTCH PLATE USAGE
| Model Application | (1) Flat Steel | Composition | ||||
|---|---|---|---|---|---|---|
| All Models | (2) 3 | 4 | ||||
|
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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.