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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Mechanical - 2.8L (LWN) Diesel) >> Repair Instructions - On Vehicle >> Camshaft Replacement >> Installation Procedure

Installation Procedure

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  1. GM2637165Courtesy of GENERAL MOTORS COMPANY

    Install the exhaust camshaft (1).

  2. GM2637167Courtesy of GENERAL MOTORS COMPANY

    Install the intake camshaft 2) so that the timing marks on the camshaft sprockets are aligned (1). The final, relaxed alignment (3) for the camshaft sprockets will result during normal installation of the components.

  3. GM2348881Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure that all sealing material has been removed from the components, and the sealing surfaces are clean and free of contamination prior to applying the sealer.
    • Install and align the front cap within 20 minutes of applying the sealer.
    • Ensure the sealant does not drip into the intake or exhaust camshaft cap seats.
    • Use a sponge to spread very carefully to the indicated areas.

    Apply a bead of sealant to the camshaft bearing front cap sealing surface. Adhesives, Fluids, Lubricants, and Sealers 

  4. GM4622432Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It is critical during installation to ensure the bearing front cap and cylinder head alignment is correct and the mating surfaces are flush.

    Inspect the intake and exhaust camshaft cap seats, and confirm that the seats are free of sealant.

  5. CAUTION:

    Refer to Fastener Caution .

  6. Install the camshaft bearing front cap (2) then install the bolts (1). 11 N. m (97 lb in)
  7. GM4622436Courtesy of GENERAL MOTORS COMPANY

    Install camshaft front cap (2) then install the bolts (1). 11 N. m (97 lb in)

  8. GM2618492Courtesy of GENERAL MOTORS COMPANY

    Match each camshaft cap to the correct location on the cylinder head. In the illustration, the camshaft cap is the first cylinder, indicated by the "1", on the intake side of the cylinder head, indicated by the "I". A camshaft cap on the exhaust side is indicated by an "E".

  9. GM4622425Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure installation in their original location.

    Camshaft Bearing Cap(2) - Install[8x]

  10. Camshaft Bearing Cap Bolt(1) - Loosely install[16x]
  11. GM2272926Courtesy of GENERAL MOTORS COMPANY

    Tighten the cap bolts in sequence to 11 N. m (97 lb in).

  12. GM2348885Courtesy of GENERAL MOTORS COMPANY

    Install the intake camshaft oil seal (1).

  13. Camshaft Timing Pulley - Install - Camshaft Timing Pulley Replacement 
  14. Valve Rocker Arm Cover - Install - Valve Rocker Arm Cover Replacement