Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 298

2) Install special tool (Oil pressure gauge) to vacated threaded
hole.
Special tool
(A) : 09915-77311
3) Start engine and warm it up to normal operating tempera-
ture.
NOTE:
Be sure to place transmission gear shift lever in "Neu-
tral" (shift selector lever to "P" range for A/T model), and
set parking brake and block drive wheels.
4) After warming up, raise engine speed to 4,000 r/min and
measure oil pressure.
Oil pressure specification
330 – 430 kPa (3.3 – 4.3 kg/cm
min (rpm)
5) Stop engine and remove oil pressure gauge.
6) Before reinstalling oil pressure switch, be sure to wrap its
screw threads with sealing tape (1) and tighten switch to
specified torque.
NOTE:
If sealing tape edge is bulged out from screw threads of
switch, cut it off.
Tightening torque
Oil pressure switch
(a) : 14 N·m (1.4 kg-m, 10.5 lb-ft)
7) Start engine and check oil pressure switch for oil leakage.
ENGINE MECHANICAL (G16 ENGINE) 6A1-7
2
, 46.9 – 61.1 psi) at 4,000 r/