Block Heater Removal And Installation; Auxiliary Cooling Fan—Remove/Install— Typical; Heater And Cord— 2.5L 4-Cylinder Engine; Heater And Cord—4.0L 6-Cylinder Engine - Jeep 200 Cherokee Service Manual

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REMOVAL AND INSTALLATION (Continued)
Fig. 44 Auxiliary Cooling Fan—Remove/Install—
1 – ELECTRIC COOLING FAN
2 – MOUNTING BOLT
3 – ELECTRIC COOLING FAN CONNECTOR
4 – MOUNTING BOLT
(3) Connect auxiliary cooling fan electrical connec-
tor.
BLOCK HEATER
REMOVAL
Refer to correct illustration (Fig. 45) (Fig. 46) when
servicing block heater.
WARNING: DO NOT
BLOCK DRAIN PLUGS OR LOOSEN THE RADIATOR
DRAINCOCK WITH THE SYSTEM HOT AND PRES-
SURIZED. SERIOUS BURNS FROM THE COOLANT
CAN OCCUR.
DO NOT WASTE reusable coolant. If solution is
clean, drain coolant into a clean container for reuse.
(1) Drain coolant from radiator and engine cylin-
der block.
(2) Unplug power cord from block heater.
(3) Loosen screw in center of block heater (Fig. 45)
(Fig. 46).
(4) Remove block heater from cylinder block.
INSTALLATION
(1) Thoroughly clean the engine core hole and the
block heater seat.
Typical
REMOVE THE CYLINDER
(2) Insert block heater assembly into core hole
with element loop pointing Up.
(3) Seat block heater flush against block face.
Tighten mounting screw to 3.6 N·m (32 in. lbs.)
torque.
(4) Fill cooling system with coolant. Pressurize
system and inspect for leaks.
(5) Plug power cord into block heater. Route cord
away from moving parts, linkages and exhaust sys-
tem components. Secure cord in place with tie-straps.
Fig. 45 Heater and Cord— 2.5L 4-Cylinder Engine
1 – POWER CORD LOCATION
2 – BLOCK HEATER
ENGINE ACCESSORY DRIVE BELTS
Fig. 46 Heater and Cord—4.0L 6-Cylinder Engine
1 – POWER CORD LOCATION
2 – BLOCK HEATER
Correct drive belt tension is required to ensure
optimum performance of the belt driven engine acces-
sories. There are different types of adjustment
gauges for checking either a serpentine or a V-type
belt. Refer to the instructions supplied with the
COOLING SYSTEM 7 - 35