Question about 2000 Chevrolet Venture
Not a blower issue, speed steps up and down ok. Engine also heats up normally without issues, not thermostat (thank God, what a pain!!).
Examination of switch revealed that the system is producing vacuum - when vacuum lines connector was taken off back of control panel vent switch the pressure was released in long hiss of air rushing in.
I am not sure if this is caused by extreme cold - possibly moisture in a vacuum line? I am not sure if the same problem that plagues air brakes might apply. No changes after long drive and entire engine compartment and firewall is heated up. Maybe the switch is getting vacuum but not working properly?
This car has been driven HARD for nearly 300,000k miles but never had any serious problems.
2001 Venture has similar problem primarily when defrost selected. Found that linkages for vent selection (under dash on driver side) were worn/loose and thus did not travel their full range of motion. Not repaired yet, just band-aided by adding a rubber band to pull on the defroster vent linkage to assist. Works ok for now.
Posted on Nov 17, 2009
In your glove box there should be a trap door with TWO filters in it...they are SIDE BY SIDE, my guess is they are plugged up with ****, evey one cleans one but there is another one to the left...My 1997 venture has air coming out all vents, floor and top of dash...cant find the problem but I left the filter out and closed the little access door in the glove box and it has helped a lot
Posted on Jan 19, 2009
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Posted on Jan 02, 2017
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