Water Pump Removal/Installation (4.0L) - Mazda B-Series 1997 Workshop Manual

WATER PUMP
WATER PUMP
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REMOVAL 1 INSTALLATION
Caution
Do not disassemble the water pump. If a problem is found, replace the water pump assembly.
1. Disconnect the negative battery cable.
2. Drain the engine coolant.
3. Remove the radiator lower hose and the heater return hose from the water pump.
4. Remove the cooling fan and clutch assembly. (Refer to page E3-15.)
5. Loosen the generator mounting bolts.
6. Lift the drive belt tensioner pulley in a counterclockwise direction and remove the drive belt.
7. For vehicles with air conditioning, remove the generator and bracket.
8. Remove the water pump pulley.
9. Remove the water pump attaching bolts and water pump.
10. Remove the water pump gasket.
11. Inspect all parts and repair or replace as necessary.
12. Install in the reverse order of removal, referring to Installation Note.
6BUOE3-011
Installation Note
Gasket
1. Clean the surface of the gasket on the front cover and on
the water pump.
Note
Use care when scraping aluminum surfaces be-
cause gouging could form leak paths.
2.
Apply sealer to both sides of a new gasket and place it on
the water pump.
4BUOE3-029
Water pump
Install the water pump bolts and tighten.
Tightening torque:
8.5-1 2.0 N.m (0.8-1.1 kgf-m, 6--8 ft-lbf}
4BUOE3-030
Water pump pulley
Install the water pump pulley bolts.
Tightening torque:
25 N-m (3.45 kgf-m, 19 ftelbf)
Generator mounting bracket.
Install the mounting bracket bolts.
Tightening torque:
40.3-54.7 N.m {4.2-5.5 kgf-m, 3 0 4 0 ftelbf)
4BUOE3-032
Steps After Installation
1. Fill the radiator with the specified amount and type of engine coolant. (Refer to page E3-5.)
2. Connect the negative battery cable.
3. Start the engine and check for leaks.
4. Bleed the cooling system. (Refer to page E3-6.)