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 2WD V8-6.2LREPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONGROUND STRAPSERVICE AND REPAIRENGINE GROUND STRAP REPLACEMENT
2013 GMC Sierra Denali 2WD V8-6.2L
Engine Ground Strap Replacement
2013 GMC Sierra Denali 2WD V8-6.2LSECTION Engine Ground Strap Replacement
Engine Ground Strap Replacement (V8)
Removal Procedure
1. Remove the engine wiring harness ground bolt.
2. Reposition the engine wiring harness ground and ground strap.
3. Remove the ground strap nut from the stud at the front of dash.
4. Remove the ground strap from the stud.
Installation Procedure
1. Install the ground strap to the stud.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the ground strap nut to the stud at the front of dash and tighten to 9 Nm (80 lb in).
3. Position the ground strap and engine wiring harness ground.
4. Install the engine wiring harness ground bolt tighten to 16 Nm (12 lb ft).
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.