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Why is my 97 suburban overheating still after replacing water pump thermostat fan clutch and flushing radiator?
Wiki User
∙ 16y ago
ok here is a good one, only 2 likely things. first make sure the rad is full, then make sure the overflow jug is full to the line marked on jug. Then start up and turn on the heat selector to HOT inside the truck (reason) because the heater core is higher than most of the engine there for when drained it creates an (air) poket. This air poket will not let the coolant to flow properly. anyways let it warm up till you feel the heat inside the truck. then turn off the truck and wait for 30 minutes for it to cool. recheck the coolant levels. Incase that doesnt work .... replace the rad cap. go to autozone and ask for your specific vehicle the correct cap they will look it up. If the cap is bad it will build up excess pressure and not let the system work.
Wiki User
∙ 16y ago
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If you are replacing a water pump will this stop a car from overheating?
Replacing a bad water pump can help to stop a motor from overheating. Hopefully that was the cause of the overheating. If it does not stop the overheating, try replacing the thermostat. Make sure you have the proper mix of antifreeze and water, the radiator filled with it. Check the level of coolant FIRST. Next, the hoses, and third the thermostat. Then, disconnect a hose and see if, by starting the vehicle, if there's water pressure. If not, its water pump time!
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Your car is overheating but its not your thermostat or radiator?
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