Serpentine belt replacement

Hi,

The first thing to check is if the belt is tight. There is an automatic tensioner that may be failing. If it is tight, here are the directions for replacing the belt. The attached pics correlate with the directions.

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2000 Cadillac DeVille V8-4.6L VIN 9
Drive Belt Replacement
Vehicle Engine, Cooling and Exhaust Engine Drive Belts, Mounts, Brackets and Accessories Drive Belt Service and Repair Procedures Drive Belt Replacement
DRIVE BELT REPLACEMENT
Removal Procedure

pic 1

1. Install a 1/2 inch drive extension into the belt drive tensioner.

Pic 2

2. Push down on the extension to release tension.
3. Remove the drive belt from the power steering pump (1).
4. Slowly return the tensioner (6) to the original position.
5. Remove the belt.

Installation Procedure

pic 3

1. Thread the drive belt through all the pulleys except for the power steering pump (1) and the drive belt tensioner (6).

Pic 4

2. Insert a 1/2 inch drive extension into the drive belt tensioner.
3. Push down on the tensioner and feed the belt around the tensioner wheel.
4. With the tension applied, complete the belt routing. Make sure the belt is properly seated in all pulleys.
5. Slowly return the tensioner back to its original position. This will apply tension to the drive belt.
6. After the installation, inspect the belt for the proper routing and the correct alignment. Start the engine and check for proper belt and accessory operation.

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I hope this helps. Let me know if you have other questions.

Take care,
Joe