4Wd Control System Inspection - Suzuki GRAND VITARA XL-7 Owner's Manual

7E-6 DIFFERENTIAL (FRONT)

4WD Control System Inspection

1) Install special tool to air hose connecting between air pump
assembly and differential (actuator) as shown in figure.
Tighten adjusting screw (2) of special tool as far as it stops.
Close air check side opening by using fuel hose (1) as blind
plug.
Special tool
(A) : 09918-18110
SUZUKI GENUINE PARTS
(B) : 09367-04002
NOTE:
Use care not to bend any part of hose.
2) Turn ON ignition switch and shift transfer lever from 2H to 4H
range.
3) Check that motor starts running (a sound can be heard)
within 1 second and it stops when gauge of special tool indi-
cates specified pressure value.
Check also for air leakage.
Air pressure specification
(for 4WD control system inspection) :
30.0 – 45.0 kPa (0.30 – 0.45 kg/cm
4) Check that pressure value indicated on gauge of special tool
drops as soon as transfer lever is shifted to 2H position.
5) Start motor by shifting transfer lever to 4H position again.
Loosen adjusting screw (2) to lower pressure value on
gauge. Motor should start to run again and stop in about 4
seconds.
6) With the adjusting screw (2) of special tool loosened, shift
transfer shift lever to N or 2H position and then 4L or 4H
position.
Pump motor should stop about 10 seconds after motor starts
to run.
3. pipe (to air pump assembly)
4. Hose (to differential carrier)
5. Differential housing
2
, 4.25 - 6.40 psi)