1998 OPEL FRONTERA Workshop Manual

Page 561 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–28
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
2.Case  that  indicator  keeps  2Hz  blinking  after
aforementioned Solution 3 is carried out.
Step
ActionYe sNo
1Check the air pressure and wear

Page 562 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–29 DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
3.Case  that  indicator’s  blinking  changes  to  4Hz
after aforementioned Solution 4 is carried out.
Step
ActionYe sNo
1
Can the transfer lever

Page 563 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–30
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
Front Axle Diagnosis
When  the  4WD  switch  is  operated  from  4H  to  2H,
indicator light does not go out.
Step
ActionYe sNo
1Drive slow 100

Page 564 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–31 DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
When  the  4WD  switch  is  operated  from  2H  to  4H,
indicator light is not actuated.
Step
ActionYe sNo
1Drive slow 100 — 200m after a few mi

Page 565 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–32
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
Shift on the Fly Vacuum Piping and Electric Equipment 
(For Push Button Type)
Vacuum Piping Diagram
C04RW013
VSV Assembly, Actuator Assembly
412RS

Page 566 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–33 DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
Inspection and Repair
Va c u u m   P i p i n g
C04RW014
1. Pull  out  the  Hose  A  in  figure  and  install  a  vacuum
gauge.
2. Plug  up  Hose

Page 567 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–34
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
4. If vacuum is not applicable as much as –400mmHg,
and if there is resistance on the intake side, replace
with a new check valve.
VSV Assembly

Page 568 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B1–35 DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
1. Disassemble  the  motor  actuator  from  transfer  rear
case.
412RW037
Legend
(3) Shift Rod
(4) Connector
2. Connect the terminals as shown in