How to replace the primary cam gear and timing chain on Buick Enclave?

To change the timing chain and sprockets, start by removing the engine front cover, then remove the spark plugs in order to facilitate the rotation of the Crankshaft. Then, remove the right bank secondary camshaft drive chain tensioner, secondary camshaft drive chain shoe, and secondary camshaft drive chain guide and then take out the right bank secondary camshaft drive chain. Follow to the removal of the Timing Chain Tensioner, in conjunction with the upper guide and the timing chain, the Crankshaft sprocket from the nose of the Crankshaft shall also be removed. For installation, ensure that the Crankshaft sprocket position has the timing mark visible and in line with the pin on Crankshaft, sliding it over until the sprocket contacts the step in the Crankshaft. Check the Crankshaft's position at stage one timing position with the timing mark in stage one timing mark on the oil pump cover using the en 46111. Mount the timing chain, then primary upper camshaft drive chain guide and finally installing the Timing Chain Tensioner. Next, install the right bank secondary camshaft drive chain, its guide, shoe, as well as the tensioner. Lastly, replace the spark plugs and the engine front cover.

How to replace the primary cam gear and timing chain on Buick LaCrosse?

It is important to remove the engine front cover when you want to replace the timing chain and sprockets. Next, pull out the right bank secondary camshaft drive chain tensioner, then the right bank secondary camshaft drive chain shoe, and finally, right bank secondary camshaft drive chain guide. And then, take the chains off from the right bank secondary camshaft drive and the Timing Chain Tensioner. Next, remove the timing chain upper guide and the timing chain. For installation, install the timing chain (120), primary upper camshaft drive chain guide (122) and Timing Chain Tensioner (123) respectively. Then install the right bank secondary camshaft drive chain (124), the right bank secondary camshaft drive chain guide (125), the right bank secondary camshaft drive chain shoe (126) and eventually the right bank secondary camshaft drive chain tensioner (127). Finish the process by replacing the engine front cover.

OEM Buick Cam Gear

Camshaft Gear

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60 Cam Gears found

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Buick Camshaft Gear Part Number: 340235
$58.88 MSRP: $92.23
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket, Engine Camshaft; Gear, Engine Camshaft
Fits the following Buick Models:
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue | 8 Cyl 5.0 L GAS
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.0 L GAS
- Regal | 1986-1987, 1984 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS
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Buick Camshaft Gear Part Number: 24100362
$46.75 MSRP: $112.72
You Save: $65.97 (59%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Cam Gear; Sprocket; Sprocket, Engine Camshaft
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Camshaft Gear Part Number: 12552128
$111.44 MSRP: $223.75
You Save: $112.31 (51%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
Fits the following Buick Models:
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Camshaft Gear Part Number: 24505393
$51.87 MSRP: $81.23
You Save: $29.36 (37%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear
Fits the following Buick Models:
- Park Avenue | 1996-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE | 6 Cyl 3.8 L GAS
- Riviera | 1996-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Camshaft Gear, Driver Side Part Number: 12597413
$84.46 MSRP: $132.30
You Save: $47.84 (37%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Cam Gear; Intermediate Gear; Sprocket, Engine Camshaft
- Position: Driver Side
Fits the following Buick Models:
- LaCrosse | 2005 | CXS | 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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Buick Camshaft Gear Part Number: 24505306
$55.09 MSRP: $86.30
You Save: $31.21 (37%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket, Engine Camshaft
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- LeSabre | 1995-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
- Park Avenue | 1997-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1995-2004 | Custom, Gran Sport, GS, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Riviera | 1995-1997 | Base | 6 Cyl 3.8 L GAS
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Buick Camshaft Gear, Passenger Side Part Number: 12597414
$84.46 MSRP: $132.30
You Save: $47.84 (37%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Cam Gear; Intermediate Gear; Sprocket, Engine Camshaft
- Position: Passenger Side
Fits the following Buick Models:
- LaCrosse | 2005-2007 | CXS | 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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Buick Camshaft Gear Part Number: 10166350
$29.75 MSRP: $56.86
You Save: $27.11 (48%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
Fits the following Buick Models:
- Century | 1994-1999 | Custom, Limited, Special | 6 Cyl 3.1 L GAS
- Regal | 1994-1996 | Custom | 6 Cyl 3.1 L GAS
- Skylark | 1994-1998 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS
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Buick Actuator Part Number: 25203207
$132.31 MSRP: $227.24
You Save: $94.93 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Replaces: 12638661
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
- Regal | 2014-2015 | Base, GS, Premium | 4 Cyl 2.0 L GAS
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Camshaft Gear Part Number: 24506089
$44.91 MSRP: $70.35
You Save: $25.44 (37%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
Fits the following Buick Models:
- Century | 1999-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2002-2007 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS
- Terraza | 2005-2006 | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Actuator Part Number: 25203205
$132.61 MSRP: $227.75
You Save: $95.14 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Replaces: 12627114
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Actuator Part Number: 55512042
$61.99 MSRP: $97.10
You Save: $35.11 (37%)
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Product Specifications
- Other Name: Sprocket Assembly-Camshaft Intake (W/ Camshaft Position A; Sprocket, Engine Camshaft
Fits the following Buick Models:
- Envision | 2021 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Actuator Part Number: 55512041
$102.33 MSRP: $160.31
You Save: $57.98 (37%)
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Product Specifications
- Other Name: Sprocket Assembly-Camshaft Exhaust (W/Camshaft Position AC; Sprocket, Engine Camshaft
Fits the following Buick Models:
- Envision | 2021 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Actuator Part Number: 12684805
$120.56 MSRP: $205.24
You Save: $84.68 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Replaces: 12661007
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
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Buick Actuator Part Number: 12698849
$60.39 MSRP: $94.60
You Save: $34.21 (37%)
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Product Specifications
- Other Name: Actuator Assembly-Camshaft Position Intake; Actuator, Engine Camshaft
- Replaces: 12674561
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Actuator Part Number: 25203206
$132.61 MSRP: $227.75
You Save: $95.14 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Replaces: 12627115
Fits the following Buick Models:
- Envision | 2017-2020 | Base, Essence, Preferred | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Actuator Part Number: 12674562
$58.95 MSRP: $101.24
You Save: $42.29 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator Assembly-Camshaft Position Exhaust; Actuator, Engine Camshaft
- Replaced by: 12698848
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Actuator Part Number: 55494199
$75.90 MSRP: $118.89
You Save: $42.99 (37%)
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Product Specifications
- Other Name: Sprocket Assembly-Camshaft (W/ Camshaft Position Actuator); Sprocket, Engine Camshaft
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Camshaft Gear Part Number: 12575882
Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
- Replaces: 12574990
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Actuator Assembly Part Number: 12580314
$143.94 MSRP: $226.48
You Save: $82.54 (37%)
Product Specifications
- Other Name: Actuator, Engine Camshaft; Actuator
Fits the following Buick Models:
- Rainier | 2006-2007 | CXL | 6 Cyl 4.2 L GAS

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Buick Cam Gear

Choose OEM Cam Gear, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsGiant.com, you'll find it easy to get top-quality OEM Buick Cam Gear. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Cam Gear Parts and Q&A

Actuator
12684832
Q: How to replace the primary cam gear and timing chain on Buick Enclave?
A:
To change the timing chain and sprockets, start by removing the engine front cover, then remove the spark plugs in order to facilitate the rotation of the Crankshaft. Then, remove the right bank secondary camshaft drive chain tensioner, secondary camshaft drive chain shoe, and secondary camshaft drive chain guide and then take out the right bank secondary camshaft drive chain. Follow to the removal of the Timing Chain Tensioner, in conjunction with the upper guide and the timing chain, the Crankshaft sprocket from the nose of the Crankshaft shall also be removed. For installation, ensure that the Crankshaft sprocket position has the timing mark visible and in line with the pin on Crankshaft, sliding it over until the sprocket contacts the step in the Crankshaft. Check the Crankshaft's position at stage one timing position with the timing mark in stage one timing mark on the oil pump cover using the en 46111. Mount the timing chain, then primary upper camshaft drive chain guide and finally installing the Timing Chain Tensioner. Next, install the right bank secondary camshaft drive chain, its guide, shoe, as well as the tensioner. Lastly, replace the spark plugs and the engine front cover.
Camshaft Gear
24505306
Q: How to replace the primary cam gear and timing chain on Buick LaCrosse?
A:
It is important to remove the engine front cover when you want to replace the timing chain and sprockets. Next, pull out the right bank secondary camshaft drive chain tensioner, then the right bank secondary camshaft drive chain shoe, and finally, right bank secondary camshaft drive chain guide. And then, take the chains off from the right bank secondary camshaft drive and the Timing Chain Tensioner. Next, remove the timing chain upper guide and the timing chain. For installation, install the timing chain (120), primary upper camshaft drive chain guide (122) and Timing Chain Tensioner (123) respectively. Then install the right bank secondary camshaft drive chain (124), the right bank secondary camshaft drive chain guide (125), the right bank secondary camshaft drive chain shoe (126) and eventually the right bank secondary camshaft drive chain tensioner (127). Finish the process by replacing the engine front cover.