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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (11 Of 11)) >> Repair Instructions >> Engine Prelubing >> Special Tools

Special Tools

WARNING: This page is about a different variant/trim than selected.

Equivalent regional tools: Special Tools

CAUTION:

If any malfunction is experienced which may cause debris to enter the oil supply, you must replace the engine oil cooler and hoses if equipped. Debris in the engine oil cooler and oil cooler hoses may be pulled back into the engine causing severe engine damage.

NOTE:
  • A constant and continuous flow of clean engine oil is required in order to properly prime the engine. Ensure an approved engine oil is used, as specified in the owners manual.
  • Engine prelubing is necessary when using a NEW engine block.
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. GM5207678Courtesy of GENERAL MOTORS COMPANY

    Oil Filter (3) - Remove and DISCARD

  3. GM5633024Courtesy of GENERAL MOTORS COMPANY

    Ensure that the oil pan drain plug (2) is installed and tighten. Fastener Specifications

  4. Install EN-52486  Oil Pressure Gauge Adapter (1) and hand tighten.
  5. GM863255Courtesy of GENERAL MOTORS COMPANY

    Install the EN-45299  Engine Preluber to the EN-52486  Oil Pressure Gauge Adapter using the supplied fittings.

  6. Pump the handle on the EN-45299  Engine Preluber in order to flow a minimum of 1 - 1.9 L (1 - 2 qt) of NEW engine oil. Observe the flow of engine oil through the flexible hose and into the engine assembly.
  7. Close the valve and remove EN-45299  Engine Preluber and adapter from the EN-52486  Oil Pressure Gauge Adapter.
  8. GM5633024Courtesy of GENERAL MOTORS COMPANY

    Remove EN-52486  Oil Pressure Gauge Adapter (1).

  9. GM5207678Courtesy of GENERAL MOTORS COMPANY

    Fill the NEW oil filter with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  10. Oil Filter (3) - Install NEW and tighten - Fastener Specifications
  11. Lower the vehicle.
  12. Fill the engine oil to the proper level with NEW engine oil.