GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Yukon - 2WD
🢒
Engine
🢒
Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
🢒 Knock Sensor 1 Replacement
Removal Procedure
Lift and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
Disconnect the engine wiring harness electrical connector (4) from knock sensor.
Remove the knock sensor bolt (739) and knock sensor (718).
Installation Procedure
Caution:
Refer to
Fastener Caution
in the Preface section.
Position the knock sensor (718) to the engine block and install the knock sensor bolt (739). Tighten the bolt to
25 N·m (18 lb ft)
Connect the engine wiring harness electrical connector (4) to knock sensor.