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WARNING: CONSTANT TENSION HOSE CLAMPS CAUTION: A number or letter is stamped into the (4) If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive. (5) Remove two fan shroud-to-radiator nuts (Fig. 33). Do not attempt to remove fan shroud at this (6) Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit. (7) After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in (8) Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic When all belt tension has been relaxed, remove (9) Remove lower radiator hose clamp and remove lower hose at water pump. (10) Remove seven water pump mounting bolts and one stud bolt. CAUTION: Do not pry water pump at timing chain (11) Remove water pump and gasket. Discard gas- ket. INSTALLATION (1) Clean gasket mating surfaces. install mounting bolts as shown. (Fig. 35). Tighten (3) Spin water pump to be sure that pump impel- ler does not rub against timing chain case/cover. (4) Connect radiator lower hose to water pump. Install drive belt. Fig. 33 Fan Shroud Mounting Hardware 1 – SHROUD FASTENERS Fig. 34 Automatic Belt Tensioner—4.7L 1 – AUTOMATIC TENSIONER 7 - 30 COOLING SYSTEM WJ REMOVAL AND INSTALLATION (Continued) |