- When the car is cold, look at the radiator
overflow.
- Open the radiator cap and look inside the
radiator.
- If the radiator is empty, fill with
antifreeze or water, and close the cap. The overheating problem may be
caused by problems.
- Flush the radiator if it is not empty but
the water is rusty. You may need a new radiator if that does not correct
the problem.
- If it is leaking, flush the radiator and
treat with a commercial radiator sealant. You may need a new radiator if
this does not correct the problem.
- Look at both the lower and upper radiator
hoses located at the top and bottom of the radiator on the backside and
held by hose clamps.
- Make sure the hoses are securely clamped to
the radiator and are not leaking.
- See a mechanic if the car is still
overheating.
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