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Intake Camshaft and Valve Lifter Replacement - LE5 or LE9

Removal Procedure


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  1. Remove the camshaft position intake actuator. Refer to Camshaft Position Intake Actuator Replacement : LE5 or LE9 .
  2. Note: Remove each bolt on each cap one turn at a time until there is no spring tension pushing on the camshaft.

  3. Mark the bearing caps to ensure they are installed in the original position.
  4. Remove the bearing cap bolts.
  5. Remove the bearing caps.

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  7. Remove the inlet camshaft (1).

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    Note: Keep all of the roller followers and hydraulic adjusters in order so that they can be reinstalled in their respective locations.

  9. Remove the camshaft roller followers.

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  11. Remove the hydraulic element clearance adjusters.

Installation Procedure


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  1. Install the hydraulic element clearance adjusters into their bores in the cylinder head. Install the camshaft caps and hand start the camshaft cap bolts.
  2. Install the camshaft caps.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Tighten the camshaft cap bolts in increments of 3 turns until they are seated. Tighten the camshaft caps to 10 N·m (89 lb in).
  5. Note: 

       • It is critical during installation to ensure the bearing rear cap and cylinder head alignment is correct and the mating surfaces are flush.
          - 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 rear cap within 20 minutes of applying the sealer.
       • Apply the sealer to all locations centrally locating the bead on the rail.
          - Run bead to within 4.0 mm of the end points.
          - Where the cap ends on the perimeter rail, extend bead approximately 4.0 mm beyond edge of cap.
          - Run bead, dimension c, a total of 32 mm.
          - Run beads 20 mm from edge of cylinder head.

  6. Apply a 3.5 mm bead of sealer to the cylinder head at the number 6 intake camshaft rear cap mating surface. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended sealer.
  7. Install the number 6 intake camshaft rear cap.
  8. 5.1. Tighten the cap bolts evenly to 5 N·m (44 lb in).
    5.2. Tighten the cap bolts evenly a final pass to 10 N·m (89 lb in).

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  9. Remove all excess sealing material from the fuel pump roller tappet orifice (1), and ensure the orifice is free of debris.
  10. Remove all excess sealing material from the sealing surfaces.

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  12. Install the rear cylinder head opening plate and bolts and tighten to 10 N·m (89 lb in).
  13. Install the camshaft position intake actuator. Refer to Camshaft Position Intake Actuator Replacement : LE5 or LE9 .
   


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