Fan Blade Removal - Jeep 1997 Grand Cherokee Service Manual

ZG
REMOVAL AND INSTALLATION (Continued)
Fig. 15 Clamp Number/Letter Location
REMOVAL
(1) Disconnect negative battery cable at battery.
(2) Observe the previous WARNINGS.
(3) Drain cooling system. Refer to Draining Cool-
ing System in this group.
(4) Remove the upper fan shroud-to-upper cross-
member mounting bolts. One of the bolts is mounted
vertically at the bottom of the fan shroud.
(5) Lift the fan shroud up until alignment tabs at
the bottom are clear of slots in bracket at bottom of
radiator. Slip the fan shroud rearward and position it
over the fan blades.
(6) Remove radiator hose clamps and remove radi-
ator hoses.
(7) Mark the position of the hood latch striker on
the radiator crossmember and remove hood latch
striker.
(8) Remove radiator upper crossmember.
(9) If equipped with air conditioning, separate the
radiator from the A/C condenser by removing the
condenser-to-radiator mounting brackets.
(10) Lift radiator straight up and out of engine
compartment taking care not to damage radiator or
A/C condenser fins.
INSTALLATION
The radiator is equipped with two alignment dow-
els (Fig. 16). They are located on the bottom of the
plastic side tanks and fit into rubber grommets
located in the front lower crossmember.
(1) Carefully lower the radiator into engine com-
partment. Position the alignment dowels on the bot-
tom of radiator into the rubber grommets in front
lower crossmember (Fig. 16).
Fig. 16 Radiator Alignment Dowels—Typical
(2) If equipped with air conditioning, attach con-
denser to radiator with mounting brackets.
(3) Install radiator upper crossmember.
(4) Install hood latch striker.
(5) Connect radiator upper and lower hoses.
(6) Insert alignment tabs at bottom of fan shroud
into slots in bracket at bottom of radiator. Install and
tighten fan shroud bolts to 3 N·m (31 in. lbs.) torque.
(7) Connect negative battery cable.
(8) Fill cooling system with correct coolant. Refer
to Refilling Cooling System in this group.
(9) Start and warm the engine. Check for coolant
leaks.

FAN BLADE REMOVAL

FAN BLADE REMOVAL
Accessory drive belt removal is not necessary for
fan blade or viscous fan drive removal.
(1) Disconnect negative battery cable from battery.
(2) The thermal viscous fan drive/fan blade assem-
bly is attached (threaded) to the fan pulley shaft
(Fig. 17). Remove fan blade/viscous fan drive assem-
bly from fan pulley by turning mounting nut counter-
clockwise as viewed from front. Threads on viscous
fan drive are RIGHT HAND. Snap-On 36 MM Fan
Wrenches (number SP346) can be used to turn the
mounting nut and to hold the fan pulley from rotat-
ing.
(3) Do not attempt to remove fan/viscous fan drive
assembly from vehicle at this time.
COOLING SYSTEM 7 - 19