Water Pump: Service and Repair

Removal
1. Drain cooling system.
2. Remove power steering and alternator drive belts.
3. Remove bolts attaching fan shroud to radiator.

Fan Assembly:

4. Remove fan assembly from fan clutch assembly and remove fan shroud.
5. Remove fan clutch and water pump pulley from water pump.
6. Remove four bolts and one nut attaching air conditioning compressor and power steering pump bracket to cylinder head and water pump. Do not remove air conditioning compressor or power steering pump from bracket.
It is necessary to remove the brace which connects the power steering pump to the exhaust manifold.
7. Pull bracket forward to remove from stud on water pump.
8. Remove bolt attaching alternator adjusting bracket to water pump. Remove four bolts attaching alternator and air pump bracket to cylinder head, block and water pump.
9. Remove remaining water pump attaching bolts and remove water pump from cylinder front cover. Remove separator plate from water pump. Discard gaskets.

Installation
1. Remove any gasket material from water pump, cylinder front cover and separator plate mating surfaces.
2. Position new gaskets coated on both sides with Perfect Seal Sealing Compound B5A-19554-A (ESR-M18P2-A) or equivalent water-resistance sealer.
3. Position water pump on cylinder front cover. Install bolts and tighten to 16-24 N-m (12-18 ft-lb).
4. Install alternator and air pump bracket to cylinder head, block and water pump with four attaching bolts. Install alternator adjusting bracket to water pump with one attaching bolt. Tighten 7/16-inch bolts to 54-71 N-m (40-53 ft-lb) and 3/8-inch bolts to 40-45 N-m (30-33 ft-lb).
5. Position air conditioning compressor and power steering pump bracket over water pump stud and secure to head with four bolts tightened to 54-71 N-m (40-53 ft-lb) and secure nut to water pump to 41-54 N-m (30-40 ft-lb). On Econolines install power steering brace to exhaust manifold with one nut.
Tighten power steering pump bracket nuts to 41-54 N-m (30-40 ft-lb).
6. Install water pump pulley and fan clutch to water pump hub with four bolts. Install fan assembly to fan clutch with four bolts. Tighten water pump pulley, fan clutch hub bolts, and fan-to-fan clutch hub bolts to 17-23 N-m (13-17 ft-lb). Install fan shroud.
7. Install power steering and alternator drive belts.
8. Fill and bleed the cooling system.
9. Start the engine and check for leaks.