Malibu V6-3.5L VIN 8 (2004)
Minor misalignment of the drive belt pulleys will not cause excessive wear, but will probably cause the drive belt to make a noise or to fall off.
Excessive misalignment of the drive belt pulleys will cause excessive wear but may also make the drive belt fall off.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
2. The inspection is to verify the drive belt is correctly installed on all of the drive belt pulleys. Wear on the drive belt may be caused by
mix-positioning the drive belt by one groove on a pulley.
3. The installation of a drive belt that is two wide or two narrow will cause wear on the drive belt. The drive belt ribs should match all of the grooves
on all of the pulleys.
4. This inspection is to verify the drive belt is not contacting any parts of the engine or body while the engine is operating. There should be sufficient
clearance when the drive belt accessory drive components load varies. The drive belt should not come in contact with an engine or a body
component when snapping the throttle
Drive Belt Falls Off
Drive Belt Falls Off Diagnosis
Test 1-12
Diagnostic Aids
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If the drive belts repeatedly falls off the drive belt pulleys, this is because of pulley misalignment.
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An extra load that is quickly applied on released by an accessory drive component may cause the drive belt to fall off the pulleys. Verify the
accessory drive components operate properly.
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If the drive belt is the incorrect length, the drive belt tensioner may not keep the proper tension on the drive belt.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
