Mazda 323 1988 Workshop Manual page 180

26
OIL PRESSURE
INSPECTION OF CYLINDER HEAD OIL
PRESSURE
1. Remove the blind plug on the cylinder head oil gal-
lery using a hexagon wrench.
2. Connect the
SST
to the oil gallery.
3. Start the engine and let it warm up to normal oper-
ating temperature.
4. Maintain the engine speed at 3,000 rpm and note
the gauge reading.
Standard oil pressure
98-198 kPa
(1.0-2.0 kg/cm2, 14-28 psi) -3,000 rpm
5. If oil pressure is lower than specifications, check
and repair as necessary.
6. After checking the oil pressure, apply sealant to
the blind plug.
Caution
If reinstalling the blind plug, clean the threads
to remove old sealant, apply new sealant and
tighten to specification.
If old sealant cannot be removed, replace the
blind plug.
Tig,htlr$\t,orque
(1.2-l .8 m-kg, 108-154 in-lb)
28-12