How to replace the Knock Sensor (KS) on 2005 GMC Safari?

In order to replace Knock Sensor (KS), disconnect the negative battery cable, take off the engine cover and disconnect the knock sensor harness. Eliminate the knock sensor and its bolt. Install new sensor and bolt, reconnect the harness, replace the cover and reconnect the battery cable.

OEM 2005 GMC Safari Knock Sensor

Engine Knock Sensor

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2005 GMC Safari Knock Sensor Part Number: 21024981
$32.61 MSRP: $61.25
You Save: $28.64 (47%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434673
- Replaces: 21024729
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.0 x 2.1 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 21024981
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 GMC Safari Submodels:
- Base, SL, SLE, SLT | 6 Cyl 4.3 L GAS

2005 GMC Safari Knock Sensor

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2005 GMC Safari Knock Sensor Parts and Q&A

Q: How to replace the Knock Sensor (KS) on 2005 GMC Safari?
A: In order to replace Knock Sensor (KS), disconnect the negative battery cable, take off the engine cover and disconnect the knock sensor harness. Eliminate the knock sensor and its bolt. Install new sensor and bolt, reconnect the harness, replace the cover and reconnect the battery cable.