Suzuki WagonR+ RB310 Service Manual page 2482

ENGINE VACUUM CHECK
The engine vacuum that develops in the intake line is a good indica-
tor of the condition of the engine. The vacuum checking procedure
is as follows:
1) Warm up engine to normal operating temperature.
2) With engine stopped, disconnect EVAP canister purge valve (1)
hose from intake manifold (2) and connect 3-way joint, hoses
and special tool (vacuum gauge and joint) between intake man-
ifold and EVAP canister purge valve (1) hose disconnected.
Special Tool
(A): 09915-67310
(B): 09918-08210 x 2 pcs
Spare Part
(C): 09367-04002
(D): 09355-35754-6010
3) Run engine at specified idle speed (see Section 6E1), and read
vacuum gauge. Vacuum should be within following specifica-
tion.
Vacuum specification: 52.6 – 65.8 kPa (40 – 50 cm
4) After checking, connect vacuum hoses.
OIL PRESSURE CHECK
NOTE:
Prior to checking oil pressure, check the followings.
D Oil level in oil pan.
If oil level is low, add oil up to Full level hole on oil level
gauge.
D Oil quality.
If oil is discolored, or deteriorated, change it.
For particular oil to be used, refer to the table in Section 0B.
D Oil leaks.
If leak is found, repair it.
1) Remove oil pressure switch (1) from cylinder block.
ENGINE MECHANICAL 6A1-7
.
15.7 – 19.7 in Hg) at specified
idling speed
.
Hg,