Question about 2003 Chevrolet Silverado 2500HD
I have changed the heater core and the thermostats and the truck will still not blow hot air. Its warm but not hot.
Replace thermostat, stuck in open position, not allowing engine to warm up properly.
Posted on Oct 30, 2016
If your truck has a body lift the space between the bumper and the lower core suport needs to be filled. and if its a suspension lift the air that is now geting redirected up from the front axe needs to be blocked
Posted on Jan 26, 2009
Did you put on the cold weather bra? Try that,should help....
Posted on Dec 24, 2008
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Posted on Jan 02, 2017
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