LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2001 >> Impala V6-3.8L VIN K >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair >> Knock Sensor (KS) 1 Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor (KS) 1 Replacement

REMOVAL PROCEDURE

CAUTION: Refer to Knock Sensor Service Caution in Service Precautions




1. Turn OFF the ignition.
2. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Disconnect the knock sensor wiring harness connector from the knock sensor (2).




5. Remove the knock sensor (2) from the engine block (1).

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Do Not apply thread sealant to the sensor threads. The sensor is coated at the factory and applying additional sealant will affect the sensor's ability to detect detonation.




1. Install the knock sensor (2) into the engine block (1).

Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).




2. Connect the knock sensor electrical connector (2) to the knock sensor (1).
3. Lower the vehicle.
4. Fill the cooling system. Peter to Draining and Filling Cooling System in Cooling System.