Question about 2004 Chevrolet TrailBlazer
Just changed alternator and it seems to be running really hot but not over heating and radiator fluid was low and filled it but don't know where to find to bleed this on a 2004
You would need to know for sure that the radiator is full and that the serpentine belt is not slipping.
The water pump could have died and that could affect the belt and the alternator.
Posted on Jan 13, 2013
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Posted on Jan 02, 2017
It sounds very much from your description that there is a strong possibility of air being trapped within the cooling system and causing the problem. This will cause the low fluid warning to appear on the car and although the vehicle will appear to be full of fluid - in fact you cannot replace enough fluid because of an air trap in the system.
Most vehicles cooling systems can be bled by removing the cap from the radiator or header tank and then simply allowing the vehicle to tick over for 10 minutes or so. Check and replace the fluid as the air is expelled from the system through the open header tank/radiator.
This may well resolve the problem without any further action on your part.
Some vehicles do have specific bleeding procedures for the cooling system but as far as I am aware this simple procedure is the standard method with your vehicle.
Also it is important to pay attention as to why the vehicle is loosing coolant in the first place. Is there a leak any where - check coolant hoses are not cracked. Is vehicle overheating because of fan failure hence boiling off fluid? Is there evidence of water getting into oil pointing to head gasket problems?
These things should all be considered in addition to clogged radiator.
Hope this helps. Please do rate this answer. Thanks.
Posted on Sep 15, 2009
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if this happens while the defrost of ac is turned on, it could be a seized ac compressor which will cause the serpentine belt to squeal and drag making the engine sometimes stall. if it happens with the ac off and the selector on say the floor, or dash vents, the issue could be a bad alternator and battery. this is confirmed when the blower motor engages and the lights dim and then the truck goes dead.
Posted on Feb 17, 2010
First the throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean.
Engine running too cool means that either the thermostat is stuck open or the coolant temperature sensor is defective. Both should be replaced since they are in same area.
Posted on Oct 26, 2010
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