Specifications

TIMING CHAIN COVER
REMOVAL
(1) Disconnect the battery cable.
(2) Raise vehicle on hoist.
(3) Remove right splash shield.
(4) Remove accessary drive belts. Refer to Group 7,
Cooling.
(5) Remove vibration damper nut.
NOTE: Crankshaft damper nut is left handed
thread.
(6) Remove vibration damper.
(7) Remove power steering/air conditioning pulley
nut. Remove pulley.
CAUTION: Remove old loctite from threads on
pump.
(8) Remove pump shaft support bracket assembly.
(9) Disconnect the water drain pipe hose at the
timing cover.
CAUTION: When separating the timing chain cover
from the block take care not to damage the mating
surface of the timing chain cover or block. Also
take care not to damage the timing chain or compo-
nents located inside the timing chain cover near the
edge.
(10) Remove timing chain cover.
INSTALLATION
(1) Apply a continuous 3 mm bead of Silicone
Sealer to timing cover, install within 10 minutes,
tighten Torx bolts to 11 N·m (96 in. lbs) (Fig. 38).
(2) Install pump shaft support bracket assembly,
tighten nuts to 24.5 N·m (216 in. lbs.).
(3) Install Power steering/air conditioning pulley,
tighten 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.
(4) Connect water drain pipe hose at the timing
cover.
NOTE: Before installing damper be sure O-ring on
inside center of damper is in place.
(5) Install vibration damper.
CAUTION: Correct torque on the vibration damper
nut is important or engine damage can occur.
(6) Tighten vibration damper nut to 441 N·m (325
ft. lbs.).
(7) Install accessary drive belts. Refer to Group 7,
cooling for procedure.
(8) Install splash shield.
(9) Lower vehicle.
(10) Connect battery cable.
TIMING CHAIN
REMOVAL
(1) Disconnect battery.
(2) Raise vehicle on hoist.
(3) Remove right splash shield (Fig. 39).
(4) Remove both accessory drive belts. Refer to
Group 7, Cooling.
Fig. 37 Front Cover Seal
Fig. 38 Front Cover Sealer Location
NS/GS ENGINE 9 - 55
REMOVAL AND INSTALLATION (Continued)