GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: The following items can cause the drive belt to fall off.

1

Check for misaligned or bent pulley.

Are the pulleys misaligned?

Go to Step 2

Go to Step 3

2

Replace the misaligned or bent pulleys.

Does the drive belt continue to fall off?

Go to Step 3

System OK

3

Check for a bent or a cracked bracket.

Are any of the brackets bent or cracked?

Go to Step 4

Go to Step 5

4

Replace the damaged brackets.

Does the drive belt continues to fall off?

Go to Step 5

System OK

5

Check for loose or missing fasteners.

Are there any loose or missing fasteners?

Go to Step 6

Go to Step 7

6

Replace any missing fasteners and tighten to specifications. Refer to Fastener Tightening Specifications .

Does the drive belt continue to fall off?

Go to Step 7

System OK

7

Check for a misaligned power steering pump pulley.

Is the power steering pump pulley misaligned?

Go to Step 8

Go to Step 9

8

Realign or replace the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement in Power Steering System.

Does the drive belt continue to fall off?

Go to Step 9

System OK

9

Check for a damaged drive belt.

Is the drive belt damaged?

Go to Step 10

Go to Step 11

10

Replace the drive belt. Refer to Drive Belt Replacement .

Does the drive belt continue to fall off?

Go to Step 11

System OK

11

Check for drive belt tensioner for operating correctly.

Is the drive belt tensioner operating correctly?

-

Go to Step 12

12

Replace the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .

Does the drive belt continue to fall off?

-

System OK