My car is screeching when I turn the key

30

Asked by Jan 22, 2017 at 12:13 PM about the 2004 Pontiac Grand Prix GT1

Question type: Maintenance & Repair

My car is a 04 pontiac grand prix with a 3.6 liter v6
not super charged when we turn the key it
screeches and won't turn over. Any thoughts or
answers to this?

7 Answers

72,495

Sounds like either a bad starter or broken teeth on the flywheel. HTH. -Jim

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Best Answer Mark helpful
30

We replaced the starter. Now it does the same thing but we just ran the car this morning.

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72,495

Did you inspect the flywheel ring gear for broken/damaged teeth? HTH. -Jim

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30

No but I will right now it's snowing like crazy

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72,495

Ok, sounds good. While you're doing that, also check the starter drive to flywheel ring gear clearance. It should be .020". If it's not, you'll have to put shims in between the starter motor and the block. A whole shim moves it away and a half shim moves it closer. If all that checks out, be sure you have the correct starter. Rebuilt units sometimes get lumped together under one part number. On older model Grand Prixs the 3.8 and 3.1 starters often get misboxed. The two units look almost identical except the 3.8 unit is a little longer and a little fatter. Same may be true for your application. But I doubt that the old and new starters would be doing the exact same thing unless there's something else going on. Like a flywheel issue or clearance issue. Just wanted to throw that out so you'd be aware. HTH. -Jim

30

Okay thanks that's a big help.

1 of 1 people found this helpful.
72,495

You're welcome. Glad to help. -Jim

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