Grand Cherokee 2WD L6-4.0L VIN S (1997)
WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR
INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL
(NUMBER 6094) SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY
GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.
CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment
clamp with matching number or letter.
9. Remove lower radiator hose from water pump. Remove heater hose from water pump fitting.
10. Remove four nuts or bolts previously loosened and remove the fan blade assembly and pulley (if fan is installed at pump), or remove the pulley
from the vehicle.
11. After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone
fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
12. Remove the four pump mounting bolts and remove pump from vehicle. Discard old gasket. Note that one of the four bolts is longer than the other
bolts.
13. If pump is to be replaced, the heater hose fitting must be removed. Note position of fitting before removal.