Camshaft and Valve Lifters

REMOVAL & INSTALLATION

1999-02

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   • Negative battery cable
   • Timing belt covers
   • Timing belt
   • Camshaft sprockets
   • Spark plug wires
   • Oil level gauge guide and Camshaft Position (CMP) sensor support
   • Positive Crankcase Ventilation (PCV) hose
   • Valve cover
   • Rocker arm assembly
3. Remove the camshaft cap as follows:
   1. Bolts "A" through "B" in alphabetical sequence
   2. Loosen bolts "C" through "J" equally all the way in alphabetical sequence
   3. Bolts "K" through "P" in alphabetical sequence using tool 499497000
4. Remove or disconnect the following:
   • Camshaft
   • Oil seal, if necessary
   • Plug from the rear side of the camshaft

     Fig. 1: Camshaft cap removal sequence

   To install:

   NOTE: Lubricate the camshaft bearings prior to camshaft installation.

5. Install or connect the following:
   • Camshaft
   • Camshaft cap. Apply liquid gasket on the edge of the cam cap mating surface 0.12 inch (3mm) thick
6. Temporarily tighten bolts "G" through "J" in alphabetical sequence
7. Install the valve rocker assembly. Torque the bolts "A" through "H" to 18 ft. lbs. (25 Nm).
8. Torque bolts "I" through "N" to 13 ft. lbs. (25 Nm) in alphabetical sequence using tool 499497000
9. Torque bolts "O" through "X" to 7.2 ft. lbs. (10 Nm) in alphabetical sequence
10. Install or connect the following:
    • Oil seal to the camshaft using tool 499597000 oil seal guide and 49958700 oil seal installer
    • Plug to the rear side of the camshaft using tool 499587700 oil seal installer
    • Valve cover
    • Oil level gauge guide and CMP sensor support
    • PCV house
    • Spark plug wires
    • Camshaft sprockets. Torque the bolts to 58 ft. lbs. (78 Nm).
    • Timing belt
    • Timing belt covers. Torque the bolts to 3.6 ft. lbs. (5 Nm).
    • Negative battery cable

      Fig. 2: Camshaft cap tightening sequence