How to replace the knock sensor on 2004 Chevrolet Trailblazer?

Start by elevating the vehicle. Start by disconnecting the knock sensor harness and then removing its retaining bolt. You should extract the knock sensor which corresponds to the 1 or 2 position. The installation process starts by putting in the new knock sensor (1 or 2) and bolt. Firmly tighten the sensor to 25 N.m (18 lb ft). You must reconnect the knock sensor harness connector after finishing your work and then lower the vehicle.

OEM 2004 Chevrolet Trailblazer Knock Sensor

Engine Knock Sensor

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2004 Chevrolet Trailblazer Knock Sensor
Part Number: 12567446
$26.64 MSRP: $50.00
You Save: $23.36 (47%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434672
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.7 x 2.2 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12567446
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Trailblazer Submodels:
- LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS

2004 Chevrolet Trailblazer Knock Sensor

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2004 Chevrolet Trailblazer Parts Questions & Experts Answers

Q: How to replace the knock sensor on 2004 Chevrolet Trailblazer?
A: Start by elevating the vehicle. Start by disconnecting the knock sensor harness and then removing its retaining bolt. You should extract the knock sensor which corresponds to the 1 or 2 position. The installation process starts by putting in the new knock sensor (1 or 2) and bolt. Firmly tighten the sensor to 25 N.m (18 lb ft). You must reconnect the knock sensor harness connector after finishing your work and then lower the vehicle.

Related 2004 Chevrolet Trailblazer Parts

Alternate Year Models

2003 Chevrolet Trailblazer Knock Sensor 2005 Chevrolet Trailblazer Knock Sensor