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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine PRELUBING >> Engine Prelubing

Engine Prelubing

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    Fig 1: Removing Engine Block Oil Gallery Plug
    GM864665Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: A constant/continuous flow of clean engine oil is required to properly prime the engine. Be sure to use an approved engine oil as specified in the owners manual.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Remove the engine oil filter, fill with clean engine oil, and reinstall.

    Tighten:  Tighten the oil filter to 30 N.m (22 lb ft).

  2. Remove the engine block oil gallery plug (1).
  3. Install the M16 x 1.5 adapter P/N 509375.
    4. Fig 2: Identifying Engine Preluber J 45299
    GM863255Courtesy of GENERAL MOTORS CORP.
  4. Install the flexible hose to the adapter and open the valve.
  5. Pump the handle on J 45299  to flow a minimum of 1-2 quarts of engine oil. See Special Tools and Equipment . Observe the flow of engine oil through the flexible hose and into the engine assembly.
  6. Close the valve and remove the flexible hose and adapter from the engine.
  7. Install the engine block oil gallery plug (1).

    Tighten:  Tighten the oil pressure sensor to 35 N.m (26 lb ft).

  8. Top-off the engine oil to the proper level.
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