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.
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HOMESERVICE MANUALSCADILLAC2013CTS COUPE RWD V8-6.2L SCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMKNOCK SENSORSERVICE AND REPAIRKNOCK SENSOR 2 REPLACEMENT
2013 Cadillac CTS Coupe RWD V8-6.2L SC
Knock Sensor 2 Replacement
2013 Cadillac CTS Coupe RWD V8-6.2L SCSECTION Knock Sensor 2 Replacement
Knock Sensor 2 Replacement
Removal Procedure
1. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (LSA) Exhaust Manifold Replacement - Right Side.
2. Remove the right catalytic convertor. Refer to Catalytic Converter Replacement - Right Side (LFW,LFX) Catalytic Converter Replacement - Right SideCatalytic Converter Replacement - Right Side (LSA) Catalytic Converter Replacement - Right Side.
Note:
In the following service procedure, it maybe necessary to remove the starter assembly to gain enough clearance to remove the knock sensor.
3. Remove the starter assembly (4), ONLY IF NEEDED. Refer to Starter Replacement (LSA) Service and RepairStarter Replacement (LF1/LLT) Service and Repair.
4. Remove the knock sensor mounting (1).
5. Remove the knock sensor (2) from the engine block (5).
6. Disconnect the engine electrical connector (3) from the knock sensor (2).
7. Remove the knock sensor (2).
Installation Procedure
1. Reconnect electrical connector (3) for the engine harness to the knock sensor (2).
2. Position the knock sensor (2) on the engine block (5).
3. Install the mounting bolt (1) for the knock sensor (2).
Caution:
Refer to Fastener Caution Fastener Caution.
4. Tighten the knock sensor mounting bolt (1) and tighten to 20 Nm (15 lb ft).
5. Install the starter assembly (4), ONLY IF REMOVED. Refer to Starter Replacement (LSA) Service and RepairStarter Replacement (LF1/LLT) Service and Repair.
6. Install the right catalytic convertor. Refer to Catalytic Converter Replacement - Right Side (LFW,LFX) Catalytic Converter Replacement - Right SideCatalytic Converter Replacement - Right Side (LSA) Catalytic Converter Replacement - Right Side.
7. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (LSA) Exhaust Manifold Replacement - Right Side.
RENDER: 1.0x
NO RELATED
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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.