How to replace the drive belt on Buick Rainier?

You must start by using a 3/8 inch breaker bar to rotate the drive belt tensioner arm clockwise to decrease drive belt tension and afterward remove both the drive belt and tensioner arm tension. When installing the new drive belt it should be placed above all the pulleys except the drive belt tensioner pulley before applying torque to the arm with a 3/8 inch breaker bar until it rotates clockwise. Before releasing tension from the drive belt tensioner pulley it is vital to position the drive belt over this component. Check that the drive belt has correct placement around every pulley before concluding the installation.

OEM Buick Rainier Drive Belt

Serpentine Belt

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4 Drive Belts found

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Buick Rainier Serpentine Belt
Part Number: 12576446
$16.13 MSRP: $29.50
You Save: $13.37 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt, A/C Compressor; A/C Belt; Belt, Drive
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 8 Cyl 5.3 L GAS
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Buick Rainier Serpentine Belt
Part Number: 12637202
$45.00 MSRP: $98.26
You Save: $53.26 (55%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt-Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 12576450, 12554029, 10105314, 12550608, 12569347, 24505041
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 8 Cyl 5.3 L GAS
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Buick Rainier Serpentine Belt
Part Number: 12593774
$39.71 MSRP: $86.69
You Save: $46.98 (55%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Replaces: 12575216, 12569531
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Rainier Serpentine Belt
Part Number: 19244949
$37.20 MSRP: $66.45
You Save: $29.25 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Water Pump, A/C Compressor, Generator, Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt.; Belt, Drive
- Replaces: 12575215, 12569543
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS

Buick Rainier Drive Belt

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Buick Rainier Drive Belt Parts Questions & Experts Answers

Serpentine Belt
12637202
Q: How to replace the drive belt on Buick Rainier?
A: You must start by using a 3/8 inch breaker bar to rotate the drive belt tensioner arm clockwise to decrease drive belt tension and afterward remove both the drive belt and tensioner arm tension. When installing the new drive belt it should be placed above all the pulleys except the drive belt tensioner pulley before applying torque to the arm with a 3/8 inch breaker bar until it rotates clockwise. Before releasing tension from the drive belt tensioner pulley it is vital to position the drive belt over this component. Check that the drive belt has correct placement around every pulley before concluding the installation.