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 MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASESPEED SENSORSERVICE AND REPAIR
2013 GMC Sierra Denali AWD V8-6.2L
Speed Sensor: Service and Repair
2013 GMC Sierra Denali AWD V8-6.2LSECTION Service and Repair
Transfer Case Speed Sensor Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Disconnect the speed sensor electrical connector (4).
3. Remove the speed sensor and O-ring.
4. Discard the O-ring.
Installation Procedure
Caution:
Refer to Fastener Caution Fastener Caution.
1. Install the speed sensor with a NEW O-ring.
Tighten the sensor to 17 Nm (13 lb ft).
2. Connect the speed sensor electrical connector (4).
3. Lower the vehicle.
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.