Engine Overheating

1982 Chevrolet Chevette L4-111 1.8L DSLSECTION Engine Overheating

1. Check coolant level in radiator.
2. Check condition of coolant for contamination, ratio of anti-freeze to water, and leakage of oil into coolant.
3. Check for leakage in hoses, and clamps.
4. Check water pump and thermostat housing for leakage.
5. Check for damaged cylinder head gasket.
6. Check fan belt tension. Deflection of fan belt should be no more than .4 inch.
7. Check operation of fan clutch.
8. Check for proper operation of radiator cap.
9. Check thermostat operation. Thermostat opening temperature is 180° F.
10. Check injection timing.
11. Check condition of water pump impeller.
12. Check to ensure proper level of engine oil.
13. Replace or readjust setting of injection 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.