Removal and Replacement

REMOVAL

NOTE: Cylinder head must be removed for camshaft replacement.

1. Remove upper and lower intake manifolds.
2. Remove cylinder head covers.





Fig. 60

3. Install auto lash adjuster retainers, Special Tool MD-998443 (Fig. 60). These retainers hold the lash adjuster into position when the rocker arms are serviced.
4. Mark rocker arm shaft assemblies for installation.
5. Remove rocker arm shaft bolts.
6. Remove the timing belt and camshaft sprocket.
7. Remove cylinder head retaining bolts.
8. Remove cylinder head(s) from vehicle.





Fig. 61

9. Remove thrust case from front (left side) cylinder head assembly. Remove camshaft from the rear of the head (Fig. 61).
10. Remove distributor (if not previously removed) from rear (right side) cylinder head assembly. Remove camshaft from rear of the head (Fig. 61).

INSTALLATION
1. Lubricate camshaft journals. Install camshaft(s) into the cylinder head(s) carefully (Fig. 61).
2. Install thrust case on front (left side) cylinder head and tighten fasteners to 13 Nm (108 in. lbs.) (Fig. 61).
3. Install camshaft seal(s). Camshaft must be installed before the camshaft seal is installed.
4. Install camshaft sprocket(s) and tighten to 88 Nm (65 ft. lbs.).
5. Install timing belt.





Fig. 62

6. Install rocker arm assemblies in correct order as removed. Tighten the rocker arm assemblies in sequence shown in (Fig. 62) to 31 Nm (276 in. lbs.).
7. Remove Special Tools MD-998443, auto lash adjuster retainers.
8. Install cylinder head covers, lower intake manifold, and upper intake manifold.

CAMSHAFT END PLAY
1. Oil camshaft journals and install camshaft without rocker arm assemblies.
2. Using a suitable tool, move camshaft as far rearward as it will go.





Fig. 63

3. Zero dial indicator (Fig. 63).
4. Move camshaft as far forward as it will go.
5. End play travel: 0.1 - 0.2 mm (0.004 - 0.008 inch). Max. Travel: 0.4 mm (0.016 inch)