If you are referring to the heater system, you will need to check the coolant level in the van. Make sure it is absolutely full, at the radiator cap, when the engine is cool. Also check that the overflow tank is at least half full at all times, as that will help to keep the system full.
Good Luck, Greg
Something is wrong with your 2000 Chevy Venture. Better information get's better answers.
I've got a better question, why is this question in the Chevy venture forum ?
this happen to me and turned out to be corrosion on battery terminal, clean them very good.
my heater fan in front of my 2004 chevy venture van wont work
tranny could be gone.or you may need tranny fluid or you have too much tranny fluid.
Which fan? there are 4.
If an electric window in a Chevrolet Venture will not go up or down, it is likely that a fuse is blown. Replacing the fuse could fix the issue.
I've got a better question, why is this question in the Chevy venture forum ?
Because it hates you!
rear windiows wont close
Check the throttle position sensor or the idle control motor
There is a circuit board inside each light that usually shorts out. They cost around $30 each. The bulb attaches to the board