GM Service Manual Online
For 1990-2009 cars only

Belt Squeal

Step

Action

Value

Yes

No

DEFINITION: The squeal is particularly noticeable at full wheel travel and at standstill parking.

1

Check the pump belt.

Is the pump belt slipping?

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Go to Step 2

System OK

2

Refer to Drive Belt Diagnosis in Engine Mechanical.

Does the belt squeal continue?

--

--

System OK