Blazer 2WD V6-4.3L VIN X (2004)
Drive Belt: Testing and Inspection
Drive Belt Chirping
Drive Belt Chirping Diagnosis
Drive Belt Chirping Diagnosis Step 1 - 15
Diagnostic Aids
The symptom may be intermittent due to moisture on the drive belt(s) or the pulleys. It may be necessary to spray a small amount of water on the drive
belt(s) in order to duplicate the customers concern. If spraying water on the drive belt(s) duplicates the symptom, cleaning the belt pulleys may be the
probable solution.
A loose or improper installation of a body component, a suspension component, or other items of the vehicle may cause the chirping noise.
Test Description
The number(s) refer to the step number(s) on the diagnostic table.
2. The noise may not be engine related. This step is to verify that the engine is making the noise. If the engine is not making the noise do not proceed
further with this table.
3. The noise may be an internal engine noise. Removing the drive belt and operating the engine for a brief period will verify the noise is related to the
