Engine On-Vehicle Maintenance (3.0L); Cylinder Head Gasket Replacement (3.0L) - Mazda B-Series 1997 Workshop Manual

ON-VEHICLE MAINTENANCE
ON-VEHICLE MAINTENANCE
PREPARATION
SST
CYLINDER HEAD GASKET
Replacement
49 UNOI 064
Rear maln
seal installer
Warning
Release the fuel pressure. (Refer to Section F2).
Keep sparks and open flame away from fuel area.
For
lnstallatlon
of rear
main
011
seal
1. Disconnect the negative battery cable.
2. Drain the cooling system.
3. Remove the clean air flex tube from upper intake manifold/throttle body assembly, air cleaner and PCV
closure hose.
4. Remove throttle body (Refer to Section F2).
5. Disconnect the fuel lines.
6. Mark the vacuum line locations and disconnect the lines.
7.
Disconnect the upper radiator hose and heater water hoses and move them out of the way.
8. Remove the ignition coil, referring to Removal Note. (Refer to page 82-9.)
9. Remove the upper intake manifold. (Refer to Section F2.)
10. Remove the drive belt.
11. Remove the left and/or right cylinder head auxiliary parts, referring to Removal Note. (Refer to B2-9.)
12. Disconnect the high-tension leads.
13. Remove the spark plugs.
14. Remove the front pipe assembly and exhaust manifold(s).
15. Remove the cylinder head covers, referring to Removal Note. (Refer to page B2-10.)
16. Loosen the rocker arms, referring to Removal Note. (Refer to page B2-10.)
17. Remove the lower intake manifold, referring to Removal Note. (Refer to page B2-10.)
18. Remove the cylinder head bolts.
19. Remove the cylinder head.
20. Remove the cylinder head gasket(s).
21. Install in the reverse order of removal, referring to Installation Note.