Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Pontiac Wave (CANADA) L4-1.6LFACTORY OEM SERVICE PROCEDURE
Knock Sensor: Service and Repair
Knock Sensor Replacement
Removal Procedure
Caution: Refer to Battery Disconnect Caution (Battery Disconnect Caution).
1. Disconnect the negative battery cable.
2. Remove the intake manifold bracket bolts and bracket.
3. Disconnect the knock sensor (KS) electrical connector.
4. Remove the Knock sensor bolt.
5. Remove the knock sensor.
Installation Procedure
Notice: Refer to Fastener Notice (Fastener Notice).
1. Install the KS with the bolt.
Tighten the KS bolt to 20 N.m (15 lb ft).
2. Connect the KS electrical connector.
3. Install the intake manifold bracket and bolts.
* Tighten the bracket upper bolt to 25 N.m (18 lb ft).
* Tighten the bracket lower bolt to 45 N.m (33 lb ft).
4. Connect the negative battery cable.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.