Question about 2005 Chevrolet Equinox
You don't mention the radiator. Has that been eliminated as a source of the overheating problem?
Posted on Oct 22, 2013
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Posted on Jan 02, 2017
Make sure you have the proper antifreeze mixture of 50/50 (antifreeze/water), Too much water will boil over and too much antifreeze will gel up causing overheating. The other thing you can do is replace the temperature sensor and that is on the intake manifold by the thermostat housing, you can see it and can be replaced in under 10 min with a socket and disconnecting the wire clip to the sensor. If your not sure where the temperature sensor is, you can pick up the sensor at Auto Zone and they can give you the step by step instructions for you to replace it with common tools.
The other thing to is the radiator fan turn on once the gauge hits 190-205 when the car is stopped, If the car is moving then it should not be overheating since the air should be flowing through the radiator. It also has been know for the Antifreeze to gel up and crystallize in the cooling system and may need to be flushed out, this is common with the Orange Antifreeze and is always neglected and the 50/50 ratio is no longer and thew antifreeze ratio is higher causing the gelling and then crystallizing. This can be fixed buy flushing out the entire cooling system with Preston Radiator flush, just follow the instruction and you should have the problem solved.
Good luck and keep me posted, Start with the cooling system flush first before replacing the temperature sensor.
Posted on Jul 23, 2009
SOURCE: 96 Blazer Overheating
Yes the issue is most likely an air block, jack the front of the truck up as far as you can, fill the recovery bottle and run the engine for about 10 min, then shut down and run cold water over the radiator, this should purge the air, recheck the recovery tank and refill as ness.
Posted on Oct 30, 2008
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