Subaru 2002 IMPREZA Service Manual page 1068

MECHANICAL
6. Engine Oil Pressure
A: INSPECTION
1) Remove the oil pressure switch from engine cyl-
inder block. <Ref. to LU-21, REMOVAL, Oil Pres-
sure Switch.>
2) Connect the oil pressure gauge hose to cylinder
block.
3) Connect the battery ground cable to battery.
4) Start the engine, and then measure the oil pres-
sure.
Oil pressure:
2
98 kPa (1.0 kg/cm , 14 psi) or more at 800 rpm
294 kPa (3.0 kg/cm
rpm
CAUTION:
• If the oil pressure is out of specification,
check oil pump, oil filter and lubrication line.
<Ref. to LU-25, INSPECTION, Engine Lubrica-
tion 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).
ENGINE OIL PRESSURE
G6M0095
S2M0242
2
, 43 psi) or more at 5,000
ME(TURBO)-26
5) After measuring the oil pressure, install the oil
pressure switch. <Ref. to LU-21, INSTALLATION,
Oil Pressure Switch.>
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)