My car will not stay on after changing the belt why?

Asked by Yesenia Sep 08, 2021 at 02:36 AM about the 2006 Chevrolet Cobalt LS Coupe FWD

Question type: Maintenance & Repair

After changing the belt the car ran fine did
not get a chance to drive it cuz it shit off
after running the AC. The car would turn on
figured I would just not run the AC but now it
does not stay on.

2 Answers


First make sure all electrical connections are tight and no wires, including grounds, have been damaged during the other work you did. Then make sure your battery is fully charged. After that I would load test the battery to make sure its still good. Then scan the car for trouble codes. The comuter may know what's wrong and is just waiting to be asked. Checking the fuel pressure to make sure the fuel pump is doing its job wouldn't hurt either.


Check that you ran the serpentine belt the correct way around the AC sprocket. There should be a diagram somewhere on the fan cover,

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