Cylinder Head Cover (3.0L); Rocker Arms (3.0L); Lower Intake Manifold (3.0L) - Mazda B-Series 1997 Workshop Manual

ON-VEHICLE MAINTENANCE
FRONT OF ENGINE
Cylinder head cover
1. Remove the high-tension lead separator assembly from
the cylinder head cover studs and move them out of the
way.
2.
Loosen all of the cylinder head cover bolts.
3. Carefully slide a sharp, thin-bladed knife between the
cylinder head gasket surface and cylinder head cover
gasket at two RTV junctions. Cut only the RTV sealer and
avoid cutting the integral gasket.
4. Lift the cover from the cylinder head while making sure
that the RTV sealer is not pulling the gasket from the
cover.
Note
The cylinder head cover incorporates an integral
gasket which should last the life of the vehicle.
Note
Regardless of which cylinder head is being re-
moved, the No. 3 cylinder intake valve push rod
must be removed to allow removal of the lower
intake manifold.
Rocker arms
2. Remove the push rods.
Note
Identify the position of each rod. The rods must b
installed in their original location when reass-
embled.
d
Lower intake manifold
1. Remove the fuel line safety clips.
2.
Disconnect the following harness connectors:
(1) Intake air temperature sensor
(2)
Idle air control solenoid
(3) Engine coolant temperature sensor
(4) Ignition coil
(5) Water temperature indicator sender
3. Disconnect the upper radiator hose from the thermostat
housing.
4.
Disconnect the heater hoses.
5. Remove the bolts.
1.
Loosen the rocker arm fulcrum bolts enough to allow the
rocker arm to be lifted off and rotated to one side.
Note
Before attempting to remove the lower intake mani-
fold, break the seal between the manifold and the
cylinder block. Wedge a large screwdriver or simi-
lar heavy duty tool between the manifold and the
cylinder block.
6. Remove the lower intake manifold.
5BUOB2-010