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 MANUALSCHEVROLET1985C 20 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAUL700-R4 AUTOMATIC TRANSMISSIONSUBASSEMBLY SERVICEEXTERNAL COMPONENTSINSPECTION
1985 Chevrolet C 20 P/U 2WD V8-350 5.7L
Inspection
1985 Chevrolet C 20 P/U 2WD V8-350 5.7LSECTION Inspection
1. Inspect 1-2 accumulator cover and pin assembly for plugged oil passage, scored piston wall and porosity or damage.
2. Inspect 1-2 accumulator piston and
3-4 accumulator piston for porosity, ring groove damage and pin hole damage.
3. Inspect 1-2 accumulator and 3-4 accumulator springs for distortion or damage.
4. Inspect spacer plate and gaskets for damage.
5. Inspect check balls, TV link and manual detent spring for damage.
6. Inspect oil filter for cut or damaged O-ring seal, cracks in neck or body and casting flash in neck.
7. Inspect solenoid assembly for damage, cut or pinched wires, damaged connectors and cut or damaged O-ring.
2. Inspect 1-2 accumulator piston and
3-4 accumulator piston for porosity, ring groove damage and pin hole damage.
3. Inspect 1-2 accumulator and 3-4 accumulator springs for distortion or damage.
4. Inspect spacer plate and gaskets for damage.
5. Inspect check balls, TV link and manual detent spring for damage.
6. Inspect oil filter for cut or damaged O-ring seal, cracks in neck or body and casting flash in neck.
7. Inspect solenoid assembly for damage, cut or pinched wires, damaged connectors and cut or damaged O-ring.
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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.