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 MANUALSGMC2010YUKON 2WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISSTARTING AND CHARGINGTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESENGINE CRANKS SLOWLY
2010 GMC Yukon 2WD V8-6.0L Hybrid
Engine Cranks Slowly
2010 GMC Yukon 2WD V8-6.0L HybridSECTION Engine Cranks Slowly
Engine Cranks Slowly
Perform the following checks:
* Battery-Battery Inspection/Test. Refer to Battery Inspection/Test (Battery Inspection/Test).
* Wiring-Inspect the wiring for damage. Inspect all connections to the starter motor, solenoid, battery, and all ground connections. Refer to Circuit Testing (Circuit Testing), Wiring Repairs (Wiring Repairs), Testing for Intermittent Conditions and Poor Connections (Testing for Intermittent Conditions and Poor Connections) and Connector Repairs (Connector Repairs).
* Engine-Make sure the engine is not seized. Refer to Symptoms - Engine Mechanical (Symptoms - Engine Mechanical).
If the battery, the wiring and the engine are functioning properly and the engine continues to crank slowly, replace the starter motor. Refer to Starter Replacement (Service and Repair).
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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.