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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (3 Of 11)) >> Repair Instructions >> Oil Pump Replacement (RWL) >> Installation Procedure

Installation Procedure

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  1. GM5209212Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Suction Pipe Gasket (3) - Install NEW

  2. Oil Pump Suction Pipe (2) - Install
  3. CAUTION:

    Refer to Fastener Caution .

  4. Oil Pump Suction Pipe Bolt (1) - Install and tighten - Fastener Specifications
  5. GM5208401Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Gasket (3) - Install NEW [2x]

  6. Oil Pump (2) - Install
  7. CAUTION:

    Refer to Fastener Caution .

  8. Oil Pump Bolt (1) - Install and tighten in sequence [4x] - Fastener Specifications
  9. GM5208387Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector at the oil pump flow control valve (1).

  10. GM5145853Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure that the sealing surface is clear of oil, grease and old sealant material.
    • Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
    • The bolts must be installed and fastened to final torque specification immediately after the component is installed.

    Apply a 4.0 mm (0.158 in) bead of sealer (1) to the oil pan sealing surface. Adhesives, Fluids, Lubricants, and Sealers

  11. GM5199046Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the alignment pins are properly aligned when installing the oil pan.

    Lower Oil Pan (1) - Install NEW

  12. GM5145845Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Bolt (1) - Install and hand tighten [23x]

  13. Oil Pan Bolt (1) - Tighten in sequence [23x] - Fastener Specifications
  14. GM5569482Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Front Crossmember (1) - Install

  15. GM5569471Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Reinforcement Bolt (2) - Install [4x]

  16. Drivetrain and Front Suspension Frame Reinforcement Nut (1) - Install [4x]
  17. Using the EN-45059 - A  Angle Meter, tighten the 4 drivetrain and front suspension frame reinforcement nuts (1). Fastener Specifications
  18. GM5568502Courtesy of GENERAL MOTORS COMPANY

    Underbody Skid Shield (1) - Install

  19. Underbody Skid Shield Bolt (2) - Install and tighten [4x] - Fastener Specifications
  20. Lower the vehicle.
  21. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement