GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: Noise occurs while cranking the engine.

1

Does the engine emit a high pitched whine during cranking but the engine cranks and fires OK?

--

Go to Step 5

Go to Step 2

2

Does the engine emit a high pitched whine as the ignition key is being released, but the engine cranks and fires OK?

--

Go to Step 5

Go to Step  3

3

Does the engine make a loud whoop after the engine fires as the starter drive pinion is still engaged?

--

Go to Step 5

Go to Step 4

4

Does the engine rumble, growl, or knock as the starter motor is coasting down to a stop after the engine has been started?

--

Go to Step 5

Go to Starting System Check

5

Remove the starter. Inspect the ring gear teeth. Are the ring gear teeth free of damage?

--

Go to Step 6

Go to Step 7

6

Replace the starter motor assembly.

Is the repair complete?

--

Go to Starting System Check

--

7

Replace the engine flywheel and the starter motor assembly.

Is the repair complete?

--

Go to Starting System Check

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