How to replace the Crankshaft Position Sensor on Chevrolet Trailblazer?

Vehicle elevation followed by support system setup is required before sensor replacement on the Crankshaft Position Sensor. You must disconnect the crankshaft position (CKP) sensor harness connection before removing the retaining bolt to extract the CKP sensor from the engine block. Check the sensor O-ring for signs of wear damage or cracks before installation by replacing it with a new one while applying engine oil for lubrication. Well-torch the CKP sensor to its position in the engine block then tighten the bolt up to 10 N.m or 89 lb in. After installing the retention bolt secure the CKP sensor then attach its harness connector. Complete the Crankshaft Position System Variation Learn after lowering the vehicle.

OEM Chevrolet Trailblazer Crankshaft Position Sensor

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5 Crankshaft Position Sensors found

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Chevrolet Trailblazer Crankshaft Position Sensor Part Number: 12597254
$28.62 MSRP: $51.80
You Save: $23.18 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Sensor, Distributor (Also Knock Sensor)
- 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 Crankshaft Position Sensor Part Number: 12706708
$7.32 MSRP: $13.08
You Save: $5.76 (45%)
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 55507118
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Camshaft Position Sensor Part Number: 12698173
$13.23 MSRP: $24.84
You Save: $11.61 (47%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Engine Camshaft Position Sensor; Camshaft Sensor; Cam Sensor
- Replaced by: 12733487
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Knock Sensor Part Number: 12663209
$4.12 MSRP: $7.73
You Save: $3.61 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Crankshaft Position Sensor Part Number: 12703627
$60.13 MSRP: $107.38
You Save: $47.25 (44%)
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 12585546
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

Chevrolet Trailblazer Crankshaft Position Sensor

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The Crankshaft Position Sensor is an important feature in the Chevrolet Trailblazer as this determine the position and speed of the vehicle crankshaft and pass this information to the powertrain control module. This information is applied in the control of ignition timing and fuel injection timing with the aim of improving on the engine's performance. It has the responsibility of regulating several parameters of an engine for example the fuel injection and ignition time for smooth running of the engine. Inductive, Hall EFFECT, magnetoresistive, and Optical sensor types may be used in Trailblazer vehicles with the strength of each type and the specific benefits it has over others. The common problem related to the crankshaft position sensor includes idle, stumbling, short-starting, and hard starting especially when the engine is hot. The sensor must be in good condition and protected and therefore any compromise to the condition of the sensor poses a danger to the good working of the vehicle.

Chevrolet Trailblazer Crankshaft Position Sensor Parts Questions & Experts Answers

Crankshaft Position Sensor
12703627
Q: How to replace the Crankshaft Position Sensor on Chevrolet Trailblazer?
A:
Vehicle elevation followed by support system setup is required before sensor replacement on the Crankshaft Position Sensor. You must disconnect the crankshaft position (CKP) sensor harness connection before removing the retaining bolt to extract the CKP sensor from the engine block. Check the sensor O-ring for signs of wear damage or cracks before installation by replacing it with a new one while applying engine oil for lubrication. Well-torch the CKP sensor to its position in the engine block then tighten the bolt up to 10 N.m or 89 lb in. After installing the retention bolt secure the CKP sensor then attach its harness connector. Complete the Crankshaft Position System Variation Learn after lowering the vehicle.