weird starter issue

[taz]

1996 Chevrolet Camaro | Camaro, Firebird VIN F Service Manual | Engine | Engine Electrical | Diagnostic Information and Procedures | Document ID: 18384
Starter Noise Diagnosis
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 2
Go to Step 3
2
Decrease the distance between the starter drive pinion and the flywheel.
Has the noise disappeared?
--
System OK
Go to Step 9
3
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 4
Go to Step 5
4
Increase the distance between the starter drive pinion and the flywheel.
Has the noise disappeared?
--
System OK
Go to Step 9
5
Does the engine make a loud whoop after the engine fires as the starter drive pinion is still engaged?
--
Go to Step 6
Go to Step 7
6
Repair or replace the starter drive.
Has the noise disappeared?
--
System OK
Go to Step 9
7
Does the engine rumble, growl or knock as the starter motor is coasting down to a stop after the engine is started?
--
Go to Step 8
Go to Step 9
8
Repair or replace the starter armature.
Has the noise disappeared?
--
System OK
Go to Step 9
9
Refer to Section 8A for a complete Engine Electrical diagnosis.
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