Cylinder Head Gasket Replacement - Mazda B-Series 1997 Workshop Manual

ON-VEHICLE MAINTENANCE
CYLINDER HEAD GASKET
Replacement
Warning
Release the fuel pressure (Refer to Section F1).
Keep sparks and open flame away from fuel area.
1. Disconnect the negative battery cable.
2. Drain the cooling system.
3. Disconnect the intake air temperature sensor and mass airflow sensor connectors.
4.
Remove the air cleaner assembly.
5. Remove the upper intake manifold/throttle body assembly. (Refer to Section FI.)
6. Remove the two heater hose retaining screws from the cylinder head cover.
7. Remove the engine and generator wiring harnesses.
8. Remove the high tension lead wires.
9. Remove the spark plugs, referring to Removal Note. (Refer to below.)
10. Disconnect the required vacuum hoses.
11. Remove the dipstick tube and bracket.
12. Remove the EGR valve to exhaust manifold tube.
13. Remove the cylinder head cover.
14. Remove the drive belt.
15. Recover the refrigerant from the A/C system. (Refer to Section G in the 1997 B-Series BETM.)
16. Disconnect the N C compressor.
17. Remove the four AIC compressor bolts and position the A/C compressor aside with the hoses attached.
18. Remove the A/C compressor and power steering pump mounting bracket bolts and position aside with
the hoses attached.
19.
Disconnect the generator.
20. Remove the lower radiator hose and the heater water hoses from the water inlet tube and thermostat
housing.
21.
Remove the bolts securing the water pump inlet tube to the generator bracket and remove the water pump
inlet tube.
22. Remove the generator bracket bolts and the generator bracket with the generator and ignition coils
attached.
23. Remove the upper radiator hose.
24. Remove the fan clutch.
25. Remove the water pump pulley.
26. Remove the timing belt. (Refer to page B1-8.)
27. Remove the timing belt tensioner.
28. Remove the front lifting eye.
29. Remove the lower intake manifold.
30. Remove the rear lifting eye.
31. Remove the exhaust manifold, referring to Removal Note. (Refer to below.)
32. Remove the cylinder head bolts.
33. Remove the cylinder head.
34. Remove the cylinder head gasket.
35. Install in reverse order of removal, referring to Installation Note.