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(2) Drain the cooling system. Refer to Draining Cooling System in this group. (3) The thermal viscous fan drive and the fan blade assembly are attached (threaded) to the fan t 36 MM Fan Wrenches (number SP346) can be used to turn the mounting nut and to hold the fan (4) If the water pump is being replaced, do not unbolt the fan blade assembly (Fig. 23) from the (5) Remove the upper fan shroud-to-upper cross- member mounting bolts. One of the bolts is mounted (6) Slip the fan shroud rearward. Remove the fan shroud and viscous drive/fan blade together as one (7) Loosen but do not remove the 3 water pump pulley bolts (Fig. 22). (8) Remove the drive belt by relieving the tension on the belt tensioner. For procedures, refer to Belt Removal/Installation in the Engine Accessory Drive WARNING: CONSTANT TENSION HOSE CLAMPS (Fig. 24). ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CAUTION: A number or letter is stamped into the Fig. 21 Automatic Belt Tensioner Assembly 1 – FAN PULLEY Fig. 22 WATER PUMP REMOVAL/INSTALL— TYPICAL 1 – O-RING SEAL 7 - 24 COOLING SYSTEM XJ REMOVAL AND INSTALLATION (Continued) 2000 JEEP CHEROKEE |