How to replace Knock Sensor 1 on 2008 GMC Yukon?

You must start by removing the tire and wheel on the left front side of the vehicle. Disconnect the engine wiring harness electrical connector through the wheel well opening from the knock sensor. Start by removing the knock sensor bolt (739) after disconnecting the knock sensor (718). Application starts with placing the knock sensor (718) on the engine block then installing the knock sensor bolt (739) while tightening it to 25 N.m (18 lb ft). Reconnect the engine wiring harness electrical connector to the knock sensor then install the left front wheel with its tire.

OEM 2008 GMC Yukon Knock Sensor

Engine Knock Sensor

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2008 GMC Yukon Knock Sensor Part Number: 12623730
$13.47 MSRP: $25.30
You Save: $11.83 (47%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaces: 12570125
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.7 x 2.5 x 1.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12623730
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Yukon Submodels:
- Denali, Denali Hybrid, Hybrid, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS

2008 GMC Yukon Knock Sensor

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2008 GMC Yukon Knock Sensor Parts and Q&A

Q: How to replace Knock Sensor 1 on 2008 GMC Yukon?
A: You must start by removing the tire and wheel on the left front side of the vehicle. Disconnect the engine wiring harness electrical connector through the wheel well opening from the knock sensor. Start by removing the knock sensor bolt (739) after disconnecting the knock sensor (718). Application starts with placing the knock sensor (718) on the engine block then installing the knock sensor bolt (739) while tightening it to 25 N.m (18 lb ft). Reconnect the engine wiring harness electrical connector to the knock sensor then install the left front wheel with its tire.