Question about 2003 Pontiac Grand Am
Hello, try this, 1. when your car is cooled down. remove the radiator cap from the radiator. then fill the radiator to the brim. then start your engine on idle. let your engine warm up a while while watching the coolant from the brim of the radiator. try feeling the upper radiator hose, during the time you have started the engine. you should feel the upper hose heat up quite a bit. watch the coolant flow, if the coolant flows free like a stream then stops a few seconds later, your thermostat valve is doing its job. going back to the coolant flowing, you must not see any air bubbles just like soap suds flowing with the coolant. aside from this your cooling fans should kick-in after a few minutes and automatically cuts-out after a few minutes also. IF YOU SEE BUBBLES, THIS IS A SIGN THAT THE SOME OR ONE OF THE VALVES ARE NOT SEATING WELL, OR IN WORST CASES, THE ENGINE STALLED DUE TO AN OVERHEATED ENGINE; THE CYLINDER HEAD COULD BE WARPED. that the worst thing that could happen. IF THE FANS DON'T CUT-IN AUTOMATICALLY, CHECK FOR BUSTED FUSES; IF ITS THE FUSES ARE OK, THEN THE FANS THEMSELVES SHOULD BE CHECKED IF THE FANS WORK AFTER DIRECTLY CONNECTING IT TO THE BATTERY(this should be done at a service shop), THEN CHECK THE RELAYS, AND TEMPERATURE SENDERS.
well, these are few steps that could be done if your a do-it-yourselfer. hope some of this works for you. bye
Posted on Sep 29, 2009
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Posted on Jan 02, 2017
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Aug 05, 2014 | 2001 BMW 325i
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are many possibilities for car overheating.
thermostat clogged radiator/plugged radiator, radiator hose worn out. Coolant
running low. Low coolant pressure. Faulty temperate sensor.
suggest you to go through the troubleshooting details mentioned in the link
All types of car overheating problems and troubleshooting?
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