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.
2007 Saab 9-7X L6-4.2LFACTORY OEM SERVICE PROCEDURE
Knock Sensor: Locations
Powertrain Component Views
Lower Left Side of the Engine (4.2L)
1 - Evaporative Emission (EVAP) Canister Purge Solenoid
2 - Starter
3 - Crankshaft Position (CKP) Sensor
4 - Knock Sensor (KS) 2, Rear
5 - Knock Sensor (KS) 1, Front
Lower Left Side of Engine - Rear
1 - G108
2 - Knock Sensor (KS) 1 - Left
3 - Engine
4 - G107
5 - Engine Harness
Lower Right Side of the Engine - Rear
1 - Crankshaft Position (CKP) Sensor
2 - Knock Sensor (KS) 2 - Right
3 - Engine Harness
4 - Starter
5 - Engine
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.