Installation - Jeep 2002 WJ Service Manual

7a - 18 ENGINE
RADIATOR FAN (Continued)
Fig. 9 HYDRAULIC LINES/HOSES AND ELECTRICAL
CONNECTOR
1 - LOW PRESSURE RETURN HOSE
2 - HIGH PRESSURE LINE (OUTLET)
3 - HIGH PRESSURE LINE (INLET)
4 - HYDRAULIC FAN DRIVE
Fig. 10 POWER STEERING GEAR OUTLET AND
RETURN HOSES
1 - POWER STEERING COOLER RETURN HOSE
2 - POWER STEERING COOLER SUPPLY HOSE
Fig. 11 FAN SHROUD MOUNTING BOLT LOCATIONS
1 - FAN SHROUD UPPER MOUNTING BOLT LOCATIONS
2 - FAN SHROUD LOWER MOUNTING BOLT LOCATIONS

INSTALLATION

CAUTION: There is an external ground wire con-
nected to the hydraulic fan drive located at the elec-
trical connector on the fan assembly. This ground
MUST remain connected at all times. Failure to
ensure ground before engine is operating can
cause severe damage to the ECM.
(1) Position fan drive and shroud in vehicle.
(2) Install fan shroud upper mounting bolts. Do
not tighten at this time.
(3) Install radiator upper hose onto radiator.
(4) Connect power steering cooler hoses.
(5) Raise vehicle on hoist.
(6) Install fan shroud lower mounting bolts.
Tighten to 6 N·m (50 in. lbs.).
NOTE: When ever the high pressure line fittings are
removed from the hydraulic fan drive the o-rings
located on the fittings must be replaced.
(7) Lubricate the o-rings on the fittings with power
steering fluid then connect inlet and outlet high pres-
sure lines to fan drive (Fig. 12). Tighten inlet line to
49 N·m (36 ft. lbs.) tighten outlet line to 29 N·m (21.5
ft. lbs.).
(8) Connect low pressure return hose to fan drive
(Fig. 12).
(9) Lower vehicle.
WG