GMC chevrolet camaro 2000 Service Manual page 808

Engine Engine Mechanical - 3.8l 6-41
Drive Belt Falls Off Diagnosis
Step Action
Yes
No
Notice: Refer to Belt Dressing Notice in Cautions and Notices.
DEFINITION: The drive be.It falls off the pulleys or may not ride correctly .on the puUeys.
'
1
Did you review the Symptoms - Drive Belt diagnostic information and Go to Symptoms -
perform the necessary inspections? Go to Step2 Drive Belt
2
Inspect for a damaged drive belt.
Did you find the condition? Go to Step 3 Goto Step 4
3
Install a new drive belt. Refer to Drive Belt Replacement.
Does the drive belt continue to fall off? Go to Step 4 System OK
4
Inspect for misalignment of the pulleys.
Did you find and repair the condition?
Go to Step 12 Go to Step 5.
5
Inspect for a bent or dented pulley.
Did you find and repair the condition? Go to Step 12 Go to Step 6
6
Inspect for a bent or a cracked bracket.
Did you find and repair the condition? . Go to Step 12
Go to Step 7
7
Inspect for improper, missing or loose fasteners.
Did you find loose or missing fasteners? Go to Step 8 Go to Step 9
Tighten any loose fasteners. Refer to Fastener Tightening
8
Specifications.
Replace improper or missing fasteners.
!
Does the drive belt continue to fall off?
Go to Step 9 System OK
Test the drive belt tensioner for operating correctly. Refer to Drive
9
Belt Tensioner Diagnosis.
Does the drive belt tensioner operate correctly? Go to Step 11 Go to Step 10
)
Replace the drive belt tensioner. Refer to Drive Belt Tensioner
10
Replacement.
Does the drive belt continue to fall off? Go to Step 11 System OK
Inspect for failed drive belt idler and drive belt tensioner pulley
11
bearings.
Go to
Did you find and repair the condition? Go to Step 12 Diagnostic Aids
12
Run the engine in order to verify the repair.
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Does the drive belt still fall off? System OK