Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2000 >> Express 3/4 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Knock Sensor >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Knock Sensor: Service and Repair

REMOVAL PROCEDURE

The Knock Sensor (KS) is located at the top rear of the engine.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.




1. Disconnect the negative battery cable.
2. Remove the engine cover.
3. Disconnect the KS harness connector.




4. Remove the KS from the rear of the engine.

INSTALLATION PROCEDURE

NOTE: Refer to Component Tightening Notice in Service Precautions.




1. Install the knock sensor.

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




2. Connect the KS harness connector.
3. Install the engine cover.
pro multis · About Operation CHARM