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 MANUALSCHEVROLET1986C 10 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETIMING COMPONENTSTIMING COVERSERVICE AND REPAIR
1986 Chevrolet C 10 P/U 2WD V8-350 5.7L
Timing Cover: Service and Repair
1986 Chevrolet C 10 P/U 2WD V8-350 5.7LSECTION Service and Repair
V6-229, 262, V8-267, 305, 350, 400 & 454
1. Remove vibration damper and water pump, then the oil pan, if necessary.
2. Remove cover retaining screws and cover.
3. Clean gasket surface of block and timing case cover.
4. Remove any excess oil pan gasket material that may be protruding at the oil pan to engine block junction.
5. Apply a thin bead of RTV #1052366 sealer or equivalent to the joint formed at oil pan and block.
6. Coat new gasket with sealer and position it on cover, then install cover to oil pan seal on cover and coat bottom of seal with engine oil.
7. Position cover on engine and loosely install the upper bolts.
8. Tighten screws alternately and evenly while pressing downward on cover so that dowels are aligned with holes in cover. Do not force cover over dowels as cover can be distorted.
9. Install remaining cover screws, vibration damper and water pump.
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.