General Motors — Knock Sensor Replacement
Repair & overhaul · Knock Sensor (KS)
From a General Motors service manual — check it applies to your exact model before use.
Before you start
- Replace a new knock sensor with an identical part number
- Install knock sensor in the same location removed from
- If installing knock sensor in water jacket, use teflon sealer #1052040 or equivalent
Procedure
- Disconnect negative battery cable
- Disconnect knock sensor electrical connector
- Remove knock sensor from engine block
- Install knock sensor into engine block with clean threads; torque to 15-22 N·m (11-16 lb.ft.)
- Connect knock sensor electrical connector
- Connect negative battery cable
Specs & values
- Knock Sensor: 15-22 N·m (11-16 FridayParts $36.10 lb.ft.)
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.