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 DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMSTARTER MOTORSERVICE AND REPAIR
1986 Chevrolet C 10 P/U 2WD V8-350 5.7L
Starter Motor: Service and Repair
1986 Chevrolet C 10 P/U 2WD V8-350 5.7LSECTION Service and Repair
1. Disconnect battery ground cable.
2. Raise and support vehicle.
3. Remove starter to engine brace and heat shields, if equipped.
4. Remove starter mounting bolts and lower starter. Note position of shims, if used.
5. Disconnect wires from solenoids, then remove starter from vehicle.
6. Reverse procedure to install.
Starter whining or a no-start condition on 1982---83 vehicles equipped with V8-379 diesel engines, may be due to insufficient flywheel ring gear to starter pinion clearance. To correct the above mentioned complaint, proceed as follows:
1. Disconnect battery ground cable, then raise and support vehicle.
2. Remove flywheel inspection cover and inspect flywheel teeth for damage. If teeth are excessively worn, replace flywheel.
3. Loosen both starter mounting bolts, then remove outside bolt and shim pack.
4. Measure shim pack thickness. If shim pack is less than .120 inch thick, add shims until total thickness is as stated above. If shim pack is already .120 inch thick, add an additional .040 inch shim to pack. Shim pack thickness should not exceed .160 inch.
5. Reposition shims, install outside mounting bolt, then torque both bolts to 30---40 ft. lbs.
6. Install flywheel inspection cover, then lower vehicle and reconnect battery ground cable.
2. Raise and support vehicle.
3. Remove starter to engine brace and heat shields, if equipped.
4. Remove starter mounting bolts and lower starter. Note position of shims, if used.
5. Disconnect wires from solenoids, then remove starter from vehicle.
6. Reverse procedure to install.
Starter whining or a no-start condition on 1982---83 vehicles equipped with V8-379 diesel engines, may be due to insufficient flywheel ring gear to starter pinion clearance. To correct the above mentioned complaint, proceed as follows:
1. Disconnect battery ground cable, then raise and support vehicle.
2. Remove flywheel inspection cover and inspect flywheel teeth for damage. If teeth are excessively worn, replace flywheel.
3. Loosen both starter mounting bolts, then remove outside bolt and shim pack.
4. Measure shim pack thickness. If shim pack is less than .120 inch thick, add shims until total thickness is as stated above. If shim pack is already .120 inch thick, add an additional .040 inch shim to pack. Shim pack thickness should not exceed .160 inch.
5. Reposition shims, install outside mounting bolt, then torque both bolts to 30---40 ft. lbs.
6. Install flywheel inspection cover, then lower vehicle and reconnect battery ground cable.
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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.