Subaru Legacy 2003 Service Manual page 1670

6. Engine Oil Pressure
A: INSPECTION
1) Remove the oil pressure switch from engine cyl-
inder block. <Ref. to LU(H4DOSTC)-18, REMOV-
AL, Oil Pressure 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:
98 kPa (1.0 kg/cm
rpm
294 kPa (3.0 kg/cm
5,000 rpm
• If the oil pressure is out of specification, check oil
pump, oil filter and lubrication line. <Ref. to
LU(H4DOSTC)-22, 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 pres-
sure switch. <Ref. to LU(H4DOSTC)-22, 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
FU-00009
ME-00009
2
, 14 psi) or more at 800
2
, 43 psi) or more at
ME(H4DOSTC)-25
5) After measuring the oil pressure, install the oil
pressure switch. <Ref. to ME(H4DOSTC)-42, IN-
STALLATION, V-belt.>
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)
MECHANICAL