Inspection; Engine Oil; Oil Pressure; Replacement - Mazda 626 1989 Workshop Manual

INSPECTION

ENGINE OIL

1. Be sure the vehicle is on level ground.
2. Warm up the engine to normal operating temper­
ature and stop it.
3. Wait for five minutes.
4. Remove the oil level gauge and check the oil lev­
el and condition.
5. Add or replace oil if necessary.
Note
The distance between the L and F marks on
86U02X-004 the level gauge represents 1.0 liter (1.06 US
qt, 0.88 Imp qt).

OIL PRESSURE

t. Remove the oil pressure switch.
2. Screw the SST into the pressure switch installa­
tion hole.
3. Warm up the engine to'normal operating tem­
perature.
4. Run the engine at 3,000 rpm, and note the gauge
reading.
Oil pressure:
343 _ 44
(3.5—4.5 kg/cm2, 50—64 psi)...DOHC
(3.0—4.0 kg/cm2, 43—57 psi)...SOHC
5. If the pressure is not as specified, check for the
76G02A-005
cause, and repair if necessary.
(Refer to Troubleshooting Guide.)
ENGINE OIL

REPLACEMENT

1. Warm up the engine to the normal operating tem­
perature and stop it.
2. Remove the oil filler cap and the oil pan drain plug.
3. Drain the oil into a suitable container.
Warning
Be careful when draining, the oil is very hot.
INSPECTION, ENGINE OIL
^ kpa
kPa
2
2 -5