Question about GMC Envoy
Posted by Anonymous on
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Posted on Jan 02, 2017
1. Check the level you filled the coolant to...If you overfilled it this will happen. 2. Did you add the correctly diluted antifreeze? 3. Check to be sure the radiator is unobstructed
Posted on Jun 14, 2008
SOURCE: coolant system
Either an air bubble, the thermostat or the water pump.
Remember: Good thing come to those who Rate.
Posted on Aug 04, 2008
SOURCE: Engine Coolant Temperature Gage
I have a 2006 and had the same problem. The car was still under warranty, so I took it in for repair. Several times. They finally replaced the thermostat and that solved the issue. Try that.
Good luck and please let me know how it works out for you.
Posted on Mar 03, 2009
REMOVE RAD CAP AND RUN ENGINE AT 3000RPM WITH ALL HEATERS ON SOUNDS LIKE AIR LOCK, ALSO CHECK IF HOSES ARE HOT
Posted on Mar 30, 2009
Look for a loose connection to the temperature sender unit on the motor.
If all connections OK, you may need a new temp sender unit.
Posted on Jul 28, 2009
Tips for a great answer:
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The BCM detects a loss of class 2 communications with the PCM.
The IPC detects a loss of SPI communications with the BCM.
Your gauge is more suspect then the sensor . gm had a problem with stepper motors that control the pointer for the gauge !
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