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 MANUALSCHEVROLET2010AVALANCHE 1500 2WD V8-5.3LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAUL88. VALVE ROCKER ARM COVER INSTALLATION - LEFT SIDE
2010 Chevrolet Avalanche 1500 2WD V8-5.3L
88. Valve Rocker Arm Cover Installation - Left Side
2010 Chevrolet Avalanche 1500 2WD V8-5.3LSECTION 88. Valve Rocker Arm Cover Installation - Left Side
Valve Rocker Arm Cover Installation - Left Side
Note:
* All gasket surfaces should be free of oil or other foreign material during assembly.
* DO NOT use the valve rocker arm cover gasket again.
1. Install NEW valve rocker arm cover grommets and use NEW valve rocker arm cover bolts if they are serviced with the grommet.
2. Install a NEW gasket (504) into the valve rocker arm cover.
3. Install the valve rocker arm cover onto the cylinder head.
Caution: Refer to Fastener Caution (Fastener Caution).
4. Install the cover bolts with grommets and tighten to 12 Nm (106 lb in).
5. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bolts (723).
6. Install the ignition coils (722), wire harness (721), and bolts (723) to the bracket (719). Tighten the ignition coil bolts to 10 Nm (89 lb in).
7. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bracket studs (720).
8. Install the ignition coil and bracket assembly (719) and studs (720). Tighten the bracket studs to 12 Nm (106 lb in).
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.