How to replace the primary cam gear and timing chain on 2007 Buick LaCrosse?

To remove timing chain and sprocket; remove the spark plugs for ease of rotation of the Crankshaft. Then remove the engine front cover, the right bank secondary camshaft drive chain tensioner, secondary camshaft drive chain shoe, and secondary camshaft drive chain guide. Then remove the right bank secondary camshaft drive chain, the Timing Chain Tensioner and the timing chain upper guide and then finishes with removal of the timing chain. For installation, first lay the timing chain, the primary upper camshaft drive chain guide, and the Timing Chain Tensioner. Move on to install the right bank secondary camshaft drive chain, followed by right bank secondary camshaft drive chain guide, secondary camshaft drive chain shoe and secondary camshaft drive chain tensioner. Finally, reinstall the front cover of the engine and the spark plugs.

OEM 2007 Buick LaCrosse Cam Gear

Camshaft Gear

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4 Cam Gears found

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2007 Buick LaCrosse Actuator
Part Number: 12588273
$400.82 MSRP: $630.67
You Save: $229.85 (37%)
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Product Specifications
- Other Name: Actuator, Camshaft Position; Actuator, Engine Camshaft
- Replaces: 12583295, 12599729
- Item Weight: 2.30 Pounds
- Item Dimensions: 6.7 x 4.5 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12588273
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2007 Buick LaCrosse Actuator
Part Number: 12588272
$175.60 MSRP: $273.85
You Save: $98.25 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Camshaft Position; Actuator, Engine Camshaft
- Replaces: 12583296
- Item Weight: 2.30 Pounds
- Item Dimensions: 6.2 x 4.1 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12588272
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2007 Buick LaCrosse 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
- Item Weight: 0.90 Pounds
- Item Dimensions: 4.3 x 4.2 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12597414
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2007 Buick LaCrosse 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
- Item Weight: 1.40 Pounds
- Item Dimensions: 14.1 x 7.0 x 0.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24505306
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS

2007 Buick LaCrosse Cam Gear

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2007 Buick LaCrosse Parts Questions & Experts Answers

Q: How to replace the primary cam gear and timing chain on 2007 Buick LaCrosse?
A: To remove timing chain and sprocket; remove the spark plugs for ease of rotation of the Crankshaft. Then remove the engine front cover, the right bank secondary camshaft drive chain tensioner, secondary camshaft drive chain shoe, and secondary camshaft drive chain guide. Then remove the right bank secondary camshaft drive chain, the Timing Chain Tensioner and the timing chain upper guide and then finishes with removal of the timing chain. For installation, first lay the timing chain, the primary upper camshaft drive chain guide, and the Timing Chain Tensioner. Move on to install the right bank secondary camshaft drive chain, followed by right bank secondary camshaft drive chain guide, secondary camshaft drive chain shoe and secondary camshaft drive chain tensioner. Finally, reinstall the front cover of the engine and the spark plugs.