Water Pump - Jeep cherokee 2000 Service Manual

7 - 24 COOLING SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 24 Reserve/Overflow Tank—With Right Hand
1 – CLAMP
2 – COOLANT RESERVE/OVERFLOW TANK
3 – MOUNTING BOLTS
4 – LOWER BRACKET
5 – TUBE TO RADIATOR
INSTALLATION
(1) Position tank and tighten to 2 N·m (17 in. lbs.)
torque.
(2) Position tube and secure clamp.

WATER PUMP

CAUTION: If the water pump is replaced because of
mechanical damage, the fan blades and viscous fan
drive should also be inspected. These components
could have been damaged due to excessive vibra-
tion.
The water pump can be removed without discharg-
ing the air conditioning system (if equipped).
CAUTION: All engines have a reverse (counter-
clockwise) rotating water pump. The letter R is
stamped into the back of the water pump impeller
(Fig. 25) to identify. Engines from previous model
years, depending upon
equipped with a forward (clockwise) rotating water
pump. Installation of the wrong water pump will
cause engine over heating.
Drive
application, may
Fig. 25 Reverse Rotating Water Pump—Typical
1 – R STAMPED INTO IMPELLER
The water pump impeller is pressed on the rear of
the pump shaft and bearing assembly. The water
pump is serviced only as a complete assembly.
WARNING: DO NOT REMOVE THE BLOCK DRAIN
PLUG(S) OR LOOSEN RADIATOR DRAINCOCK
WITH THE SYSTEM HOT AND UNDER PRESSURE.
SERIOUS BURNS FROM COOLANT CAN OCCUR.
DO NOT WASTE reusable coolant. If the solution
is clean, drain coolant into a clean container for
reuse.
REMOVAL-2.5L ENGINE (LHD/RHD)
(1) Disconnect battery negative cable.
(2) Drain cooling system. Refer to Cooling System-
Draining and Filling in this group.
(3) Remove upper radiator hose.
(4) Loosen (but do not remove at this time) the
four fan hub-to-water pump pulley mounting nuts
(Fig. 26).
(5) Remove accessory drive belt. (Refer to Acces-
sory Drive Belt, Removal and Installation in this
group)
(6) Disconnect electric cooling fan connector (if
equipped).
(7) Unbolt fan shroud.
be
(8) Remove the four fan hub-to-water pump pulley
nuts and remove fan and shroud together.
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