CAUTION: Special Tool 8512, is assembled in a
specific sequence. Failure to assemble this tool in
this sequence can result in tool failure and severe
damage to either the tool or the crankshaft.
(2) Assemble Special Tool 8512 as follows, The nut
is threaded onto the shaft first. Then the roller bear-
ing is placed onto the threaded rod (The hardened
bearing surface of the bearing MUST face the nut).
Then the hardened washer slides onto the threaded
rod (Fig. 130). Once assembled coat the threaded
rod’s threads with Mopart Nickel Anti-Seize or (Loc-
tite No. 771).
(3) Align crankshaft damper slot with key in
crankshaft. Slide damper onto crankshaft slightly.
(4) Using Special Tool 8512 press damper onto
crankshaft (Fig. 131).
(5) Install then tighten crankshaft damper bolt to
175 N·m (130 ft. lbs.).
(6) Install radiator shroud and tighten fasteners to
11 N·m (95 in. lbs.).
(7) Connect electrical connector for shroud fan.
(8) Install fan and viscous assembly.
(9) Using Special Tools 6958 Spanner with Adapter
Pins 8346 tighten fan and viscous assembly to water
pump (Fig. 126).
(10) Install upper radiator hose.
(11) Install A/C compressor and tighten fasteners
to 54 N·m (40 ft. lbs.).
(12) Install accessory drive belt refer to Group 7,
Cooling System for procedure.
(13) Refill cooling system. Refer to Group 7, Cool-
ing System for procedure.
(14) Connect negative cable to battery.
Fig. 127 Crankshaft Damper—Removal
1 – SPECIAL TOOL 8513 INSERT
2 – SPECIAL TOOL 1026
Fig. 128 Crankshaft Front Seal—Removal
1 – SPECIAL TOOL 8511
Fig. 129 Crankshaft Front Seal—Installation
1 – TIMING CHAIN COVER
2 – SPECIAL TOOL 8348
3 – SPECIAL TOOL 8512
9 - 72 4.7L ENGINE DN
REMOVAL AND INSTALLATION (Continued)
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