Camshaft: Service and Repair

Fig. 59 Camshaft Replacement. DOHC:

Fig. 57 Installing Lash Adjuster:

Fig. 60 Camshafts Installation. DOHC:

1. Remove camshaft in sequence shown in Fig. 59.
2. Install camshaft in reverse sequence shown in Fig. 59, noting the following:
a. Immerse lash adjuster in clean diesel fuel.
b. Using a small wire, move plunger up and down several times while pushing down lightly on check ball in order to bleed out air.
c. Install lash adjuster into rocker arms, using care not to spill out diesel fuel, then retain lash adjuster with lash adjuster retainer tool No. MD998443, or equivalent, Fig. 57.
d. Turn crankshaft to bring No. 1 cylinder to TDC.
e. Install intake camshaft, marked J, and exhaust camshaft, marked N, onto the cylinder head with dowel pins as shown in Fig. 60.
f. Install bearing caps, on proper camshaft, with arrow mark pointing in same direction as arrow mark on cylinder head.
g. Tighten bearing cap bolts to specification in several steps.
h. Install circular packing using seal installer tool No. MD998762, or equivalent.
i. Install camshaft oil seal and sprocket.