Mechanics

HEATERE CORE

2002 Pontiac Aztek

Engine Cooling problem
2002 Pontiac Aztek 6 cyl Two Wheel Drive Automatic

how hard is it to change the heater core and the temp goes up and then it comes down to the half way mark can you tell me if that is possible the heater core is clogged up
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Mikethelarge
October 7, 2009.



Heater core could be clogged but the thermostat would be much more easier to test first and much cheaper if it is the culprit.

Bluelightnin6
Oct 20, 2009.