LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (5 Of 11)) >> Repair Instructions >> Timing Belt Replacement (F48) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Engine Oil and Oil Filter - Remove and DISCARD - Engine Oil and Oil Filter Replacement
  2. Transmission - Remove - Automatic Transmission Removal and Installation (LM2 & F48 & NP0 - F47) , or Automatic Transmission Removal and Installation (LM2 & F48 & NQH - F47) or Automatic Transmission Removal and Installation (LM2 & F48 & NP0 & F47) , or Automatic Transmission Removal and Installation (LM2 & F48 & NQH & F47)
  3. GM5137110Courtesy of GENERAL MOTORS COMPANY

    Install the EN-49979  Crankshaft Holder (1) with EN-956-1  Extension (3).

  4. GM5133550Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Flex Plate Bolt (2) - Remove and DISCARD [8x]

  5. Automatic Transmission Flex Plate (1) - Remove
  6. GM5137110Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-49979  Crankshaft Holder (1) with EN-956-1  Extension (3).

  7. Reposition hoses as needed.
  8. GM5389340Courtesy of GENERAL MOTORS COMPANY

    Remove the 16 timing chain cover bolts (1, 2).

  9. GM5389368Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Avoid prying close to the transmission pins.

    Using a suitable tool at the locations indicated by the arrows to pry, loosen the timing chain lower cover carefully from the engine block.

  10. GM5145911Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Lower Cover (1) - Remove and DISCARD

  11. GM5145486Courtesy of GENERAL MOTORS COMPANY

    Install the EN-47634  Holder (1) with EN-956-1  Extension (4) onto the oil pump sprocket (2) and loosen the oil pump drive bolt (3).

  12. Remove the EN-47634  Holder (1) with EN-956-1  Extension (4).
  13. GM5205303Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Drive Bolt (1) - Remove

  14. Oil Pump Sprocket (2) - Remove
  15. Timing Belt (3) - Remove