Mazda 323 1988 Workshop Manual page 41

IA
ON-VEHICLE MAINTENANCE (VALVE SEAL)
Cylinder head side
Valve seal
1. Remove the thrust plate.
2. Install the
SST
on the rocker arm shaft assembly
installation hole.
3. Position the piston of the valve seal to be replaced
at top dead center by turning the crankshaft pulley.
4. Remove the spring retainer by pressing down on
the
SST.
5. Remove the valve spring and spring seats (upper
and lower).
6. Remove the valve seal from the valve guide with
pliers or the
SST (49 320 170).
Installation
1. Apply a coat of engine oil to the inner surface of
the new valve seal.
2. Push it on gently, with the
SST.
3. Install the valve spring
Note
Install the valve spring with its narrow pitch
end toward the cylinder head.
1 A-22