How to replace the Cam Gear on the Camshaft Position Exhaust Actuator on Chevrolet Trailblazer?

The first step to replace the camshaft position exhaust actuator requires removal of the camshaft cover. Secure the engine rotation to position the delphi designation on exhaust camshaft position actuator straight along the Cylinder Head to cam cover mating surface. You need to use the timing mark on the exhaust camshaft position actuator sprocket to mark the adjacent timing chain link. Use the timing chain retention tool j-44217 by inserting its hook section into a timing chain link next to the shoe on both engine sides. Tighten the wingnuts while maintaining hook placement and gage block securement over the head's edge. Begin by taking out both the exhaust camshaft position actuator bolt along with the complete actuator. To install the exhaust camshaft actuator place it inside the timing chain while fitting the marked link to the timing mark of the exhaust camshaft position actuator sprocket before engaging the alignment pin between actuator and camshaft. Place the actuator on the exhaust camshaft before tightening the actuator bolt to 25 n.m (18 lb ft) and proceed with the torque angle meter (J 36660-A) to complete an additional 135-degree torque. After removal of the timing chain retention tool (J-44217) install the camshaft cover.

OEM Chevrolet Trailblazer Cam Gear

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Chevrolet Trailblazer Actuator Assembly
Part Number: 12589782
$187.38 MSRP: $254.35
You Save: $66.97 (27%)
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Product Specifications
- Other Name: Actuator, Camshaft Position; Actuator; Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Trailblazer | Base, LT | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Camshaft Gear
Part Number: 24100362
$65.63 MSRP: $112.72
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Cam Gear; Sprocket; Sprocket, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Camshaft Gear
Part Number: 12591689
$23.14 MSRP: $38.11
You Save: $14.97 (40%)
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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:
- 2007-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 12698849
$56.44 MSRP: $88.41
You Save: $31.97 (37%)
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Product Specifications
- Other Name: Actuator Assembly-Camshaft Position Intake; Actuator, Engine Camshaft
- Replaces: 12674561
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 12674562
$55.09 MSRP: $94.62
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Product Specifications
- Other Name: Actuator Assembly-Camshaft Position Exhaust; Actuator, Engine Camshaft
- Replaced by: 12698848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Actuator Assembly
Part Number: 12580314
$143.94 MSRP: $226.48
You Save: $82.54 (37%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT | 6 Cyl 4.2 L GAS
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Part Number: 12576407
$34.88 MSRP: $59.89
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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:
- 2006-2007 Chevrolet Trailblazer | LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator Assembly
Part Number: 19179010
Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2004 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Part Number: 12569502
Product Specifications
- Other Name: Actuator, Camshaft Position; Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Chevrolet Trailblazer | LS, LT | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 55494199
$75.90 MSRP: $118.89
You Save: $42.99 (37%)
Product Specifications
- Other Name: Sprocket Assembly-Camshaft (W/ Camshaft Position Actuator); Sprocket, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS

Chevrolet Trailblazer Cam Gear

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Chevrolet Trailblazer Cam Gear Parts Questions & Experts Answers

Camshaft Gear
12591689
Q: How to replace the Cam Gear on the Camshaft Position Exhaust Actuator on Chevrolet Trailblazer?
A: The first step to replace the camshaft position exhaust actuator requires removal of the camshaft cover. Secure the engine rotation to position the delphi designation on exhaust camshaft position actuator straight along the Cylinder Head to cam cover mating surface. You need to use the timing mark on the exhaust camshaft position actuator sprocket to mark the adjacent timing chain link. Use the timing chain retention tool j-44217 by inserting its hook section into a timing chain link next to the shoe on both engine sides. Tighten the wingnuts while maintaining hook placement and gage block securement over the head's edge. Begin by taking out both the exhaust camshaft position actuator bolt along with the complete actuator. To install the exhaust camshaft actuator place it inside the timing chain while fitting the marked link to the timing mark of the exhaust camshaft position actuator sprocket before engaging the alignment pin between actuator and camshaft. Place the actuator on the exhaust camshaft before tightening the actuator bolt to 25 n.m (18 lb ft) and proceed with the torque angle meter (J 36660-A) to complete an additional 135-degree torque. After removal of the timing chain retention tool (J-44217) install the camshaft cover.

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