Specifications

(5) Remove crankshaft vibration damper. Refer to
removal procedure outlined in this section.
(6) Remove power steering/air conditioning pulley
nut. Remove pulley.
CAUTION: Remove old thread sealant from threads
on pump.
(7) Remove pump shaft support bracket assembly
(Fig. 40).
(8) Remove timing chain cover. Refer to removal
procedure outlined in this section.
(9) Remove oil pump drive gear attached to crank-
shaft (Fig. 41).
(10) Rotate crankshaft to align timing marks on
injection pump sprocket, camshaft sprocket, and
crankshaft sprocket with three dark plated links on
timing chain (Fig. 42).
CAUTION: It could take up to 70 crankshaft revolu-
tions to align sprocket timing marks with the dark
chain links. If the chain is removed (Fig. 43) before
the sprocket marks are in their proper locations you
must first loosen the rocker arm supports before
rotating crankshaft or camshaft sprockets. This will
prevent the valves from hitting the pistons.
(11) Remove lower chain guide (Fig. 44).
(12) Remove hydraulic tensioner blade (Fig. 45).
(13) Remove hydraulic tensioner oil feed line (Fig.
46).
(14) Remove hydraulic tensioner.
Fig. 39 Splash Shield
Fig. 40 Pump Shaft Support Bracket
Fig. 41 Oil Pump Drive Gear
Fig. 42 Timing Marks
9 - 56 ENGINE NS/GS
REMOVAL AND INSTALLATION (Continued)