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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (Engine Mechanical - 4.0L (Unit Repair)) >> Repair Instructions >> Cylinder Head Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean all cylinder head surfaces with non-corrosive solvent.
    WARNING: Wear safety glasses in order to avoid eye damage.
  2. Blow out all the oil galleries using compressed air.
  3. Remove any carbon deposits from the combustion chambers using the J 8089. 
  4. Remove any gasket material with the J 28410. 
  5. Clean any debris or build-up from the lifter pockets.
  6. Inspect the cylinder head again for the items noted under Visual Inspection.
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