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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.5L (LCV) - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement (Position 1)
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Knock Sensor Replacement (Position 1)

GM4237167Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Raise and support the vehicle. Lifting and Jacking the Vehicle
1 Electrical Connector
Procedure 
Disconnect the electrical connector.
2 Knock Sensor Fastener
CAUTION:

Refer to Fastener Caution .


Tighten 
25 N.m (18 lb ft)
3 Knock Sensor