How to service the knock sensor on 2003 Chevrolet Malibu?

Service the knock sensor after turning OFF ignition then raising the vehicle. Remove the sensor from its position by disconnecting its wiring harness connector that exists on the engine block. You should avoid using thread sealant on the new sensor threads since they come with factory coating that could be damaged by additional sealant materials which might hinder detonation detection. Fasten the knock sensor into position in the engine block using a torque of 19 N.m (14 lb ft). Attach the wiring harness connector to the knock sensor and lower the vehicle.

OEM 2003 Chevrolet Malibu Knock Sensor

Engine Knock Sensor

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2003 Chevrolet Malibu Knock Sensor Part Number: 10456238
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.1 x 2.0 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10456238
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Malibu Submodels:
- Base, LS | 6 Cyl 3.1 L GAS

2003 Chevrolet Malibu Knock Sensor

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2003 Chevrolet Malibu Knock Sensor Parts and Q&A

Q: How to service the knock sensor on 2003 Chevrolet Malibu?
A: Service the knock sensor after turning OFF ignition then raising the vehicle. Remove the sensor from its position by disconnecting its wiring harness connector that exists on the engine block. You should avoid using thread sealant on the new sensor threads since they come with factory coating that could be damaged by additional sealant materials which might hinder detonation detection. Fasten the knock sensor into position in the engine block using a torque of 19 N.m (14 lb ft). Attach the wiring harness connector to the knock sensor and lower the vehicle.