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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCADILLAC2013CTS COUPE RWD V8-6.2L SCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMKNOCK SENSORSERVICE AND REPAIRKNOCK SENSOR 1 REPLACEMENT
2013 Cadillac CTS Coupe RWD V8-6.2L SC
Knock Sensor 1 Replacement
2013 Cadillac CTS Coupe RWD V8-6.2L SCSECTION Knock Sensor 1 Replacement
Knock Sensor 1 Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Coupe) Battery Negative Cable Disconnection and Connection (Coupe)Battery Negative Cable Disconnection and Connection (Sedan,Wagon) Battery Negative Cable Disconnection and Connection (Sedan,Wagon).
2. Remove the left catalytic convertor. Refer to Catalytic Converter Replacement - Left Side (LSA) Catalytic Converter Replacement - Left SideCatalytic Converter Replacement - Left Side (LFW,LFX) Catalytic Converter Replacement - Left Side.
3. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LSA) Exhaust Manifold Replacement - Left Side.
4. Remove the mounting bolt for the knock sensor 1.
5. Disconnect the electrical connector of the knock sensor from the engine harness (3).
6. Remove the knock sensor (2) from the engine block (4).
Installation Procedure
1. Reconnect the engine harness (3) and the knock sensor (2) electrical connectors.
2. Position the knock sensor 2 on the engine block (4).
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 left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LSA) Exhaust Manifold Replacement - Left Side.
6. Install the left catalytic convertor. Refer to Catalytic Converter Replacement - Left Side (LSA) Catalytic Converter Replacement - Left SideCatalytic Converter Replacement - Left Side (LFW,LFX) Catalytic Converter Replacement - Left Side.
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Coupe) Battery Negative Cable Disconnection and Connection (Coupe)Battery Negative Cable Disconnection and Connection (Sedan,Wagon) Battery Negative Cable Disconnection and Connection (Sedan,Wagon).
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.