Engine Oil Pressure - Subaru Impreza 2002 Service Manual

MECHANICAL

6. Engine Oil Pressure

A: INSPECTION
1) Disconnect the ground cable from battery.
2) Remove the generator from bracket. <Ref. to
SC-14, REMOVAL, Generator.>
3) Disconnect the connector from oil pressure
switch.
4) Remove the oil pressure switch from engine cyl-
inder block. <Ref. to LU-21, REMOVAL, Oil Pres-
sure Switch.>
5) Connect the oil pressure gauge hose to cylinder
block.
6) Connect the battery ground cable to battery.
ENGINE OIL PRESSURE
7) Start the engine, and then measure the oil pres-
sure.
Oil pressure:
G6M0095
98 kPa (1.0 kg/cm
294 kPa (3.0 kg/cm
rpm
CAUTION:
• If the oil pressure is out of specification,
check the oil pump, oil filter and lubrication
line. <Ref. to LU-25, INSPECTION, Engine Lubri-
cation System Trouble in General.>
• If the oil pressure warning light is turned ON
and oil pressure is in specification, replace the
oil pressure switch. <Ref. to LU-25, INSPEC-
TION, Engine Lubrication System Trouble in
General.>
NOTE:
The specified data is based on an engine oil tem-
perature of 80°C (176°F).
8) After measuring the oil pressure, install the oil
pressure switch. <Ref. to LU-21, INSTALLATION,
Oil Pressure Switch.>
Tightening torque:
G6M0095
25 N·m (2.5 kgf-m, 18.1 ft-lb)
9) Install the generator and V-belt in the reverse or-
der of removal, and then adjust the V-belt deflec-
tion. <Ref. to ME-44, INSTALLATION, V-belt.>
ME-28
S2M0242
2
, 14 psi) or more at 800 rpm
2
, 43 psi) or more at 5,000