What is the importance of the serpentine drivebelt and how should it be inspected and replaced on Chevrolet Trailblazer?

A serpentine drive belt is situated to the front of the engine and it is vital for the function of the engine and its parts, which comprises the alternator, electric power assisted steering, the water pump and air conditioning unit. The belt is an easily wearable component because of its function and nature of construction; therefore, it needs periodical check-ups. When the engine is cooled down, turn off the car and look at the belt: there should be no cracks, plys separated from each other, fraying and glazing on both sides of the belt. In the present design, ribs on the underside should be of equal thickness. The belt tension is set by a spring-loaded tensioner assembly that cannot be adjusted; replacement is required when an arrow on the tensioner lines up with an indexing mark on it. To remove the belt, turn the tensioner clockwise to reduce tension so as to take the belt off the tensioner and other accessories while still unscrewing the tensioner fully. After that ensures that the new belt has the right length after stretching, take it through the pulleys while turning the tensioner to enable the installation process. For tensioner replacement, first, remove the belt Then, for the six-cylinder engines remove the tensioner mounting bolt or for V8 engines remove the mounting bolts and then installation is done in reverse of the procedure removing the bolt and indexing the dowel on the six-cylinder engines.

Genuine Chevrolet Trailblazer Drive Belt

Serpentine Belt

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7 Drive Belts found

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Chevrolet Trailblazer Belt,A/C Compressor
Part Number: 12576446
$18.83 MSRP: $29.50
You Save: $10.67 (37%)
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; AC Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 Chevrolet Trailblazer | 4 DOOR, 4 DOOR EXT | 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Trailblazer Belt,Fan & Water Pump & Generator & P/S Pump
Part Number: 12626222
$38.01 MSRP: $69.10
You Save: $31.09 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Drive Belt, Serpentine Belt
- Replaces: 12590622
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | 4 DOOR | 8 Cyl 6.0L
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Chevrolet Trailblazer Belt, Fan & Water Pump & Generator & P/S Pump
Part Number: 12637202
$54.03 MSRP: $98.26
You Save: $44.23 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Drive Belt, Serpentine Belt
- Replaces: 12576450, 12554029, 10105314, 12550608, 12569347, 24505041
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 Chevrolet Trailblazer | 4 DOOR, 4 DOOR EXT | 8 Cyl 5.3L
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Chevrolet Trailblazer Belt, Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12593774
$47.69 MSRP: $86.69
You Save: $39.00 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 12575216, 12569531
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | 4 DOOR | 6 Cyl 4.2L
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Chevrolet Trailblazer Belt,Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 19244949
$37.03 MSRP: $66.45
You Save: $29.42 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 12575215, 12569543
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Trailblazer | 4 DOOR, 4 DOOR EXT | 6 Cyl 4.2L
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Chevrolet Trailblazer BELT-ACSRY DRV PRIM
Part Number: 25206736
$9.02 MSRP: $16.17
You Save: $7.15 (45%)
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Product Specifications
- Replaces: 12687927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2025 Chevrolet Trailblazer | 4 DOOR EXT, LEVEL II 4 DOOR EXTENDED, LEVEL III 4DOOR EXTENDED, LEVEL IV 4 DOOR EXTENDED, LEVEL V 4 DOOR EXTENDED | 3 Cyl 1.3L
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Chevrolet Trailblazer Belt, Acsry Drv Prim
Part Number: 55512900
$19.46 MSRP: $34.90
You Save: $15.44 (45%)
ADD TO CART
Product Specifications
- Other Name: Serpentine Belt
- Replaced by: 25203354
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2025 Chevrolet Trailblazer | 4 DOOR EXT, LEVEL II 4 DOOR EXTENDED, LEVEL III 4DOOR EXTENDED | 3 Cyl 1.2L

Chevrolet Trailblazer Drive Belt

The Drive Belt in Chevrolet Trailblazer engulfs the parts like alternator as well as A/C compressor and this links the engine. Usually a serpentine belt is utilized which surrounds the above mentioned parts and drives them with the assistance of crankshaft pulley. This design also makes it easy to transmit power so that the parts will perform as they are required to. The Chevrolet Trailblazer models of the past years have incorporated several forms of Drive Belts, the V-belts and the multi-groove belts, according to some Chevrolet Trailblazer Automobile manuals. V-belts offer high coefficient of friction and long service life while multi-groove belts offer flexibility with high levels of efficiency. Drive Belt types affect performance, each type created to meet certain working conditions and difficulties including slippage and misalignment. It is therefore important that the Drive Belt be checked often for wear and tear and replaced immediately if the belt is worn out.

Each OEM Chevrolet Trailblazer Drive Belt we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Trailblazer Drive Belt Parts Questions & Experts Answers

Belt, Fan & Water Pump & Generator & P/S Pump
12637202
Q: What is the importance of the serpentine drivebelt and how should it be inspected and replaced on Chevrolet Trailblazer?
A: A serpentine drive belt is situated to the front of the engine and it is vital for the function of the engine and its parts, which comprises the alternator, electric power assisted steering, the water pump and air conditioning unit. The belt is an easily wearable component because of its function and nature of construction; therefore, it needs periodical check-ups. When the engine is cooled down, turn off the car and look at the belt: there should be no cracks, plys separated from each other, fraying and glazing on both sides of the belt. In the present design, ribs on the underside should be of equal thickness. The belt tension is set by a spring-loaded tensioner assembly that cannot be adjusted; replacement is required when an arrow on the tensioner lines up with an indexing mark on it. To remove the belt, turn the tensioner clockwise to reduce tension so as to take the belt off the tensioner and other accessories while still unscrewing the tensioner fully. After that ensures that the new belt has the right length after stretching, take it through the pulleys while turning the tensioner to enable the installation process. For tensioner replacement, first, remove the belt Then, for the six-cylinder engines remove the tensioner mounting bolt or for V8 engines remove the mounting bolts and then installation is done in reverse of the procedure removing the bolt and indexing the dowel on the six-cylinder engines.