How to replace the auxiliary drive belt on 2005 Cadillac DeVille?

Starting the process of auxiliary drive belt replacement requires users to first loosen bolt 1 and bolt 2 of the auxiliary generator before removing the old belt. Install the new auxiliary drive belt after setting it correctly on the drive pulleys. While performing the auxiliary generator adjustment the bolt must be tightened to a torque of 25 Nm (18 ft. lbs. ). Secure the auxiliary generator mounting bolt at 30 Nm (22 ft. lbs.). After starting the engine you must inspect both belt operation and accessory functionality.

OEM 2005 Cadillac DeVille Drive Belt

Serpentine Belt

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3 Drive Belts found

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2005 Cadillac DeVille Serpentine Belt
Part Number: 12588412
$17.91 MSRP: $29.47
You Save: $11.56 (40%)
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Product Specifications
- Other Name: Belt, Water Pump; Serpentine Belt Drive Kit; Accessory Drive Belt; Water Pump Belt; Serpentine Tensioner; Belt, Drive
- Replaces: 03545016, 12570499, 12555957, 3545016
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 7.5 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12588412
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Cadillac DeVille Submodels:
- Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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2005 Cadillac DeVille Serpentine Belt
Part Number: 12575425
$38.65 MSRP: $69.02
You Save: $30.37 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Belt, Generator & A/C Compressor & Power Steering Pump; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Item Weight: 0.70 Pounds
- Item Dimensions: 19.1 x 5.6 x 1.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12575425
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac DeVille Submodels:
- Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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2005 Cadillac DeVille Serpentine Belt
Part Number: 12560974
Product Specifications
- Other Name: Belt-Generator & A/C Compressor & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt.; Belt, Drive
- Replaces: 12557555
- Item Weight: 0.80 Pounds
- Item Dimensions: 4.6 x 20.5 x 1.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12560974
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac DeVille Submodels:
- Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS

2005 Cadillac DeVille Drive Belt

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2005 Cadillac DeVille Parts Questions & Experts Answers

Q: How to replace the auxiliary drive belt on 2005 Cadillac DeVille?
A: Starting the process of auxiliary drive belt replacement requires users to first loosen bolt 1 and bolt 2 of the auxiliary generator before removing the old belt. Install the new auxiliary drive belt after setting it correctly on the drive pulleys. While performing the auxiliary generator adjustment the bolt must be tightened to a torque of 25 Nm (18 ft. lbs. ). Secure the auxiliary generator mounting bolt at 30 Nm (22 ft. lbs.). After starting the engine you must inspect both belt operation and accessory functionality.