How to replace the left side secondary camshaft intermediate drive Timing Chain Tensioner on Buick LaCrosse?

First step to replace the left side timing chain tensioner involves removing the engine front cover. Before installation you must remove the left bank timing chain tensioner. Finish the engine front cover installation once the replacement of new left bank timing chain tensioner is complete.

OEM Buick LaCrosse Timing Chain Tensioner

Engine Timing Chain Tensioner

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7 Timing Chain Tensioners found

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Buick LaCrosse Belt Tensioner, Green Line Part Number: 12663047
$214.36 MSRP: $368.15
You Save: $153.79 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tensioner Assembly-Drive Belt; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner, Engine Cooling
- Replaces: 12633829, 12618349, 12655192, 12650244, 12628030, 12651405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | Base, Convenience, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Timing Tensioner Part Number: 12627109
$43.24 MSRP: $74.26
You Save: $31.02 (42%)
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Product Specifications
- Other Name: Tensioner Assembly-Timing Chain; Tensioner; Tensioner, Engine Timing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Tensioner, Driver Side Part Number: 12608580
$48.73 MSRP: $82.97
You Save: $34.24 (42%)
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Product Specifications
- Other Name: Tensioner Assembly-Timing Chain; Tensioner, Engine Timing
- Position: Driver Side
- Replaces: 12578209, 24448509, 55352127
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Tensioner Part Number: 12713640
$46.27 MSRP: $72.47
You Save: $26.20 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tensioner Assembly-Timing Chain; Tensioner, Engine Timing
- Replaces: 12674625
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Chain Guide Part Number: 12713639
$39.67 MSRP: $67.54
You Save: $27.87 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tensioner Assembly-Timing Chain; Timing Chain Tensioner; Timing Chain Guide; Tensioner; Tensioner, Engine Timing
- Replaces: 12674624
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Tensioner Part Number: 12713638
$28.32 MSRP: $46.64
You Save: $18.32 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tensioner Assembly-Timing Chain; Tensioner, Engine Timing
- Replaces: 12647893
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Serpentine Tensioner Part Number: 12685957
$239.62 MSRP: $388.88
You Save: $149.26 (39%)
ADD TO CART
Product Specifications
- Other Name: Tensioner Assembly-Drive Belt; Serpentine Belt Drive Kit; Belt Tensioner; Tensioner; Tensioner, Engine Cooling
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)

Buick LaCrosse Timing Chain Tensioner

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The Buick LaCrosse Timing Chain Tensioner is a part that plays a very important role of improving the reliability of Buick LaCrosse vehicles. This Timing Chain Tensioner is designed to keep the tension of the timing chain at the correct level thus ensuring that parts of the engine work efficiently and will therefore enhance efficiency of the engine and also the longer life of the engine. Different years of Buick LaCrosse have had different types of Timing Chain Tensioners as the mechanisms of tensioning were applied to achieve optimum tensions for each model. Again, it should be noted that the Timing Chain Tensioner is one of the most critical components that contribute to the improved efficiency and safety of the Buick LaCrosse. Moreover, Timing Chain Tensioner plays a part in the performance of the engine since it controls tension with the efficiency of the necessary amount to enhance the performance of the engine. Also, new options offer excellent comfort, efficiency with the help of the eAssist hybrid system, and, of course, durability given by the Timing Chain Tensioner. These aspects of engineering, together with dependable parts put the Buick LaCrosse on the upper echelons of what the automotive industry has to offer. In summary, the Buick LaCrosse Timing Chain Tensioner is well designed, demonstrating the company's seriousness towards manufacturing competitive automobiles for the vehicle market, thereby enriching the Buick LaCrosse automobiles.

Buick LaCrosse Timing Chain Tensioner Parts and Q&A

Tensioner, Driver Side
12608580
Q: How to replace the left side secondary camshaft intermediate drive Timing Chain Tensioner on Buick LaCrosse?
A:
First step to replace the left side timing chain tensioner involves removing the engine front cover. Before installation you must remove the left bank timing chain tensioner. Finish the engine front cover installation once the replacement of new left bank timing chain tensioner is complete.