(3) Inspect fan assembly for cracks, bends, loose
rivets or broken welds. Replace fan if any damage is
found.
COOLING SYSTEM HOSES
INSPECTION
Inspect the hoses at regular intervals. Replace
hoses that are cracked, feel brittle when squeezed or
swell excessively when the system is pressurized.
The use of molded replacement hoses is recom-
mended. When performing a hose inspection, inspect
the radiator lower hose for proper position and con-
dition of the spring.
SPECIFICATIONS
BELT TENSION
Belt tension must be adjusted. Refer to the follow-
ing Belt Tension chart for specifications.
DESCRIPTION N·f Lbs. ft.
New Serpentine Belt* 800-900 180-200
Used Serpentine Belt 623-712 140-160
* Belt is considered new if it has been used 15
minetes or less.
TORQUE SPECIFICATIONS
DESCRIPTION N·m Ft. In.
Lbs. Lbs.
Trans. Auxiliary Oil
Cooler—Screws
2—18
Block Heater—Screw 4 — 20
Condenser-to-Radiator—
Bolts
6—55
Electric Cooling Fan—Bolts 3 — 31
Fan Blade Assy to Viscous
Fan Drive—Bolts 24 18 —
Fan Shroud—Bolts 3 — 31
Isolator-to-Crossmember—
Nuts
10 — 86
Isolator-to-Radiator—Nuts 5 — 47
Radiator—Bolts
4.0L Engine 8 — 70
2.5L Engine 6 — 55
Thermostat Housing—Bolts 20 15 —
Viscous Fan Drive Assy. to
DESCRIPTION N·m Ft. In.
Lbs. Lbs.
Water Pump or Hub
Bearing—Nuts
27 20 —
Water Pump—Bolts 23 17 —
SPECIAL TOOLS
COOLING
Hose Clamp Tool—6094
Cooling System Pressure Tester—7700A
3/8” Quick Connect Release Tool—6935
7 - 40 COOLING SYSTEM XJ
CLEANING AND INSPECTION (Continued)
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