How to replace the Cam Gear position actuator on Chevrolet Express 2500?

The beginning step to replace the Camshaft position actuator involves stripping out the Oil Pump from its installation position. The removal and installation process of the cmp actuator solenoid valve (234) requires attention to the reluctor wheel since it contains three roll pins which could harm users if detached during operation. Start by breaking free the cmp actuator together with the Timing Chain from the Camshaft before removing both components (235 and 208). Screw a tie strap through the actuator center extending it over the reluctor wheel. The installation process requires the compression of Timing Chain tensioner guide before applying en 46330 timing belt tensioner retaining pin (EN 46330). The cmp actuator should connect to its proper location on the Camshaft locating pin while the sprocket teeth simultaneously mesh and the sprocket alignment marks display alignment between the Camshaft and crankshaft components. Position the cmp actuator at the Camshaft while its rear opening faces the locating pin of the Camshaft. The installation requires a straight edge tool to check the front engine block face for Timing Chain excess. Place the new cmp actuator solenoid valve model 234 and torque it by hand until it reaches regular tightness. The sprocket alignment requires inspection where the cmp actuator sprocket should position at 6 o'clock while the crankshaft sprocket rests at 12 o'clock. Begin by removing the en 46330 and apply torque to the cmp actuator solenoid valve using the first sequence to 65 n.m (48 lb ft) followed by a second sequence of 90-degree rotation using the j 45059 angle meter (J 45059). Finally, reinstall the Oil Pump.

OEM Chevrolet Express 2500 Cam Gear

Camshaft Gear

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Chevrolet Express 2500 Camshaft Gear
Part Number: 12606358
$157.66 MSRP: $268.39
You Save: $110.73 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Engine Variable Valve Timing (VVT) Sprocket; Timing Gear; Actuator Assembly; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 2500 Camshaft Gear
Part Number: 12591689
$23.14 MSRP: $38.11
You Save: $14.97 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Timing Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 2500 Camshaft Gear
Part Number: 12552128
$104.15 MSRP: $209.12
You Save: $104.97 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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Chevrolet Express 2500 Camshaft Gear
Part Number: 10144121
$20.24 MSRP: $40.63
You Save: $20.39 (51%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Express 2500 | Base | 6 Cyl 4.3 L GAS
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Chevrolet Express 2500 Timing Gear Set
Part Number: 12552129
$76.78 MSRP: $91.40
You Save: $14.62 (16%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sprocket, Camshaft; Timing Gear; Sprocket, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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Chevrolet Express 2500 Actuator
Part Number: 12689342
$122.40 MSRP: $208.38
You Save: $85.98 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L GAS
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Chevrolet Express 2500 Actuator
Part Number: 12689341
$118.52 MSRP: $188.17
You Save: $69.65 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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Chevrolet Express 2500 Camshaft Gear
Part Number: 12630091
$152.73 MSRP: $262.30
You Save: $109.57 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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Chevrolet Express 2500 Camshaft Gear
Part Number: 12576407
$34.88 MSRP: $59.89
You Save: $25.01 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket
- Replaces: 12552953
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Camshaft Gear
Part Number: 14022645
Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 6.5 L DIESEL
View related parts
Chevrolet Express 2500 Timing Gear Set
Part Number: 97377545
$195.76 MSRP: $308.02
You Save: $112.26 (37%)
Product Specifications
- Other Name: Gear Assembly-Camshaft; Timing Gear; Gear, Engine Camshaft Sprocket; Gear, Engine Camshaft Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2016 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL

Chevrolet Express 2500 Cam Gear

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Chevrolet Express 2500 Cam Gear Parts Questions & Experts Answers

Camshaft Gear
12591689
Q: How to replace the Cam Gear position actuator on Chevrolet Express 2500?
A: The beginning step to replace the Camshaft position actuator involves stripping out the Oil Pump from its installation position. The removal and installation process of the cmp actuator solenoid valve (234) requires attention to the reluctor wheel since it contains three roll pins which could harm users if detached during operation. Start by breaking free the cmp actuator together with the Timing Chain from the Camshaft before removing both components (235 and 208). Screw a tie strap through the actuator center extending it over the reluctor wheel. The installation process requires the compression of Timing Chain tensioner guide before applying en 46330 timing belt tensioner retaining pin (EN 46330). The cmp actuator should connect to its proper location on the Camshaft locating pin while the sprocket teeth simultaneously mesh and the sprocket alignment marks display alignment between the Camshaft and crankshaft components. Position the cmp actuator at the Camshaft while its rear opening faces the locating pin of the Camshaft. The installation requires a straight edge tool to check the front engine block face for Timing Chain excess. Place the new cmp actuator solenoid valve model 234 and torque it by hand until it reaches regular tightness. The sprocket alignment requires inspection where the cmp actuator sprocket should position at 6 o'clock while the crankshaft sprocket rests at 12 o'clock. Begin by removing the en 46330 and apply torque to the cmp actuator solenoid valve using the first sequence to 65 n.m (48 lb ft) followed by a second sequence of 90-degree rotation using the j 45059 angle meter (J 45059). Finally, reinstall the Oil Pump.