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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (4 Of 11)) >> Repair Instructions >> Lower Crankcase Extension Overhaul >> Disassemble Procedure

Disassemble Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM5148869Courtesy of GENERAL MOTORS COMPANY

    Lower Crankcase Extension Pin (1, 2) - Remove [2x]

  2. Engine Block Core Hole Plug (3) - Remove
  3. Engine Block Core Hole Plug (4) - Remove
  4. Thermostat Bypass Pipe Bolt (7, 9) - Remove [4x]
  5. Thermostat Bypass Hose (6, 10) - Remove [2x]
  6. Engine Coolant Thermostat Gasket (5, 8) - Remove and DISCARD [2x]
  7. GM5148872Courtesy of GENERAL MOTORS COMPANY

    Lower Crankcase Extension Pin (2, 3) - Remove [2x]

  8. Oil Filter Bypass Valve (4) - Remove
  9. Engine Oil Temperature Sensor (1) - Remove
  10. Engine Oil Pressure Sensor (5) - Remove
  11. GM5148873Courtesy of GENERAL MOTORS COMPANY

    Engine Block Core Hole Plug (1) - Remove

  12. Oil Pump Flow Control Solenoid Valve Bolt (2) - Remove
  13. Engine Wiring Harness Clip (5) - Remove
  14. Oil Pump Flow Control Solenoid Valve Wire (3) - Remove
  15. Oil Pump Flow Control Valve Seal (4) - Remove and DISCARD
  16. GM5148899Courtesy of GENERAL MOTORS COMPANY

    Inspect the oil pump drive shaft (1) for damage and wear.

  17. GM5318275Courtesy of GENERAL MOTORS COMPANY

    If the oil pump drive shaft is not suitable for use, remove the oil pump drive shaft retainer (2) and oil pump drive shaft (1), and replace with new.