Specifications

(7) Install timing chain cover. Refer to installation
procedure outlined in this section.
(8) Install pump shaft support bracket assembly.
Tighten nuts to 24.5 N·m (216 in. lbs.).
(9) Install power steering/air conditioning pulley.
Tighten nut to 170 N·m (125 ft. lbs.).
CAUTION: Correct torque on the power steering/air
conditioning pulley nut is important or engine dam-
age can occur.
(10) Install crankshaft vibration damper. Torque to
441 N·m (325 ft. lbs.)
CAUTION: Correct torque on the crankshaft vibra-
tion damper nut is important or engine damage can
occur.
(11) Install both accessory drive belts. Refer to
Group 7, Cooling.
(12) Install splash shield.
(13) Lower vehicle.
(14) Connect battery.
CRANKSHAFT SPROCKET
REMOVAL
(1) Remove vibration damper. Refer to procedure
in this section.
(2) Remove timing chain cover. Refer to procedures
in this section.
(3) Remove oil pump drive gear on crankshaft.
(4) Remove oil pump.
(5) Remove timing chain. Refer to procedure in
this section.
(6) Remove vacuum pump.
(7) Install crankshaft sprocket remover VM.1000A
and remove sprocket (Fig. 48).
INSTALLATION
(1) Install crankshaft sprocket alignment pin
VM.1030 into hole in crankshaft (Fig. 49).
(2) Heat new crankshaft sprocket.
Fig. 47 Timing Chain Procedure
Fig. 48 Crankshaft Sprocket—Removal
Fig. 49 Crankshaft Sprocket—Installation
9 - 58 ENGINE NS/GS
REMOVAL AND INSTALLATION (Continued)