| Problem |
Possible Cause |
Remedy/Repair |
| Your car's engine overheats |
- Coolant level is low
- Loose or broken fan belt
- Faulty radiator cap
- Inaccurate gauge or warning light
- Clogged cooling system
- Debris on radiator
- Thermostat stuck closed
- Water pump is faulty
- Antifreeze has been used too long
- Water has high mineral content
- Radiator hose has weakened and collapsed
- Ignition timing is retarded
- Engine oil level is low
- Cylinder head gasket leaks
|
- Check and correct level
- Tighten or replace fan belt
- Replace cap
- Have gauge and sending unit checked
- Drain coolant and flush system
- Clean the radiator
- Replace thermostat
- Have water pump checked and/or replaced
- Drain coolant and fill with fresh mix
- Clean the radiator
- Replace hose
- Check and set ignition timing
- Check and refill engine oil
- This is usually accompanied by bubbles in the radiator (engine
running) and poor compression in the cylinders adjacent to the leak.
|
| Your car's heater does not produce heat |
- The thermostat is stuck
- The heater core is clogged
- Heater control is faulty
|
- Replace the thermostat
- Have the heater core checked
- Check the control mechanism
|
| Your car's engine warms up slowly |
- The thermostat is stuck open
|
- Replace the thermostat
|
