Question about 2001 Chevrolet Venture
The thermostat is a good place to start if the only problem you are having is little heat.
Before you start removing the stat, check the following things:
-is the coolant level full?
-is there coolant leaking onto the ground?
-are the heater lines that run coolant into the cabin hot?
-is there excessive white smoke coming from the exhaust?
if the level is full and there is no leaks or white smoke, and the heater lines aren't very warm, then change the thermostat....but be careful when you fill the system back up with coolant. there is a bleeder valve on a black post on the water pump housing that needs to be opened to get the air out of the system. if your van has rear heat, which most do, the air will be harder to get out. a good trick that often works is to take the hose off of the bleeder tower and fill more coolant up there. also drive the van a about 5-10 miles and the check the coolant level. do this a few times until your heaters (front and rear) are throwing good heat.
be patient with the bleeding of these, it takes some time.
Posted on Jan 25, 2009
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