YH4
GRAND
VITARA
1. Full level mark
2. Low level mark
1. Oil pressure switch
2. Oil filter
ENGINE MECHANICAL (G16 ENGINE) 6A1-7
OIL PRESSURE CHECK
NOTE:
Prior to checking oil pressure, check following items.
Oil level in oil pan.
If oil level is low, add oil up to Full level mark on oil level
gauge.
Oil quality.
If oil is discolored, or deteriorated, change it.
For particular oil to be used, refer to the table in “MAINTE-
NANCE SERVICE” section.
Oil leaks.
If leak is found, repair it.
1) Remove oil pressure switch from cylinder block.
2) Install special tool (Oil pressure gauge) to vacated threaded
hole.
Special Tool
(A): 09915-77310
3) Start engine and warm it up to normal operating temperature.
NOTE:
Be sure to place transmission gear shift lever in “Neutral”
(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 mea-
sure oil pressure.
Oil pressure specification:
330 – 430 kPa (3.3 – 4.3 kg/cm
2
, 46.9 – 61.1 psi) at 4,000
r/min (rpm)
5) Stop engine and remove oil pressure gauge.
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