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HOMESERVICE MANUALSCHEVROLET2009IMPALA V8-5.3LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAULREPAIR INSTRUCTIONS54. VALVE ROCKER ARM COVER CLEANING AND INSPECTION
2009 Chevrolet Impala V8-5.3L

54. Valve Rocker Arm Cover Cleaning and Inspection

2009 Chevrolet Impala V8-5.3LSECTION 54. Valve Rocker Arm Cover Cleaning and Inspection



Valve Rocker Arm Cover Cleaning and Inspection





Important:
* Do not use the valve rocker arm cover gasket again. Install a NEW gasket during assembly.
* Remove the ignition coils before cleaning the cover in solvent. Do not submerge the ignition coils in solvent.
* Do not remove the oil fill tube from the covers unless service is required.
* If the oil fill tube has been removed from the rocker arm cover, install a NEW tube during assembly.

1. Inspect the oil fill tube (423) for a loose fit or damage.




2. Inspect the covers for the following conditions:

* Scoring or damage to the gasket surfaces (1)
* Ventilation system passages (2, 3) for restrictions
* Threaded bolt holes (4) for damage or debris

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.