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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Engine Mechanical - 4.6L - 3 Of 4) >> Off-Vehicle Repair Instructions (2 Of 3) >> Engine Block Cleaning and Inspection - Upper >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove any old thread sealant and gasket material or sealant.
  2. Clean all the following areas with solvent:
    • Sealing surfaces
    • Cooling passages
    • Oil passages
    • Bearing journals
  3. Clean all threaded and through holes with solvent.
  4. Prior to the application of RTV sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the engine block seal groove clean the groove and mating surfaces of the upper engine block and the mating surface of the lower crankcase with cleaner solvent GM P/N 12378392 or 12346139 (Canadian P/N 88901247).
    5. CAUTION: Refer to SAFETY GLASSES CAUTION .
  5. Dry the upper engine block with compressed air.
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