1998 OPEL FRONTERA Workshop Manual

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Page 2153 of 6000

OPEL FRONTERA 1998 Workshop Manual 6J – 12 INDUCTION
INSPECTION AND RAPAIR
1. Visually check for cracks/clogs inside intake
manifold.
2. If foreign material is observed, it should be taken
out, and if there are some

Page 2154 of 6000

OPEL FRONTERA 1998 Workshop Manual INDUCTION 6J – 13
IHI SERVICE NETWORK
For inquiries relating to turbochargers, please contact your ISUZU distributor or the nearest IHI Turbocharger Service
Facility.
HEADQUARTERS
ISHIKAWAJIMA HARI

Page 2155 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–1 AUTOMATIC TRANSMISSION (4L30–E)
TRANSMISSION
AUTOMATIC TRANSMISSION (4L30–E)
CONTENTS
Service Precaution 7A–3. . . . . . . . . . . . . . . . . . . . . .
Construction 7A–3. . . . . . .

7A–1 AUTOMATIC TRANSMISSION (4L30–E)
TRANSMISSION
AUTOMATIC TRANSMISSION (4L30–E)
CONTENTS
Service Precaution 7A–3. . . . . . . . . . . . . . . . . . . . . .
Construction 7A–3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Range Reference Chart 7A–4. . . . . . . . . . . . . . . . . .
Normal Operation Of 1998 4L30–E
Transmission 7A–5. . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis 7A–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Information 7A–5. . . . . . . . . . . . . . . . . . . . . . .
General Diagnosis Procedure 7A–8. . . . . . . . . . . . .
Preliminary Inspection Chart 7A–9. . . . . . . . . . . . . .
Checking Transmission Fluid Level and
Condition 7A–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Driving 7A–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical / Hydraulic Diagnosis Check Trans
Indicator Chart 7A–12. . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical / Hydraulic Diagnosis Symptoms
Index 7A–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stall Test 7A–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Pressure Test 7A–23. . . . . . . . . . . . . . . . . . . . . .
Shift Speed Chart 7A–24. . . . . . . . . . . . . . . . . . . . . . .
Lockup Speed Chart 7A–26. . . . . . . . . . . . . . . . . . . . .
Changing Transmission Fluid 7A–27. . . . . . . . . . . . .
Selector Lever 7A–27. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection 7A–27. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–28. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mode Switch 7A–29. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–29. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–29. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission (With Transfer Case) 7A–31. . . . . . . .
Transmission And Associated Parts 7A–31. . . . . .
Removal 7A–31. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–33. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solenoid (Main Case Valve Body) 7A–36. . . . . . . . .
Removal 7A–36. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–36. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solenoid (Adapter Case Valve Body) 7A–37. . . . . . .
Removal 7A–37. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–37. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Body Assembly (Main Case) 7A–38. . . . . . . .
Removal 7A–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–38. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Body Assembly (Adapter Case) 7A–40. . . . . .
Removal 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module (PCM) 7A–40. . . . . . . . . Removal 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speed Sensor (Extension Housing) 7A–41. . . . . . . .
Removal 7A–41. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–41. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Oil Temperature Sensor
(Adapter Case) 7A–41. . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–41. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–42. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Oil Seal (Converter Housing) 7A–42. . . . . . . .
Removal 7A–42. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–42. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Oil Seal (Extension Housing) 7A–43. . . . . . . . .
Removal 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission (4L30–E) 7A–43. . . . . . . . . . . . . . . . . .
Disassembly 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly 7A–47. . . . . . . . . . . . . . . . . . . . . . . . . .
Converter Housing And Oil Pump Assembly 7A–57
Disassembled View 7A–57. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–57. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–57. . . . . . . . . . . . . . . . . .
Reassembly 7A–57. . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pump 7A–58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–58. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–58. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–58. . . . . . . . . . . . . . . . . .
Reassembly 7A–58. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Case Valve Body 7A–59. . . . . . . . . . . . . . . . . . .
Disassembled View 7A–59. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–59. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–60. . . . . . . . . . . . . . . . . .
Reassembly 7A–60. . . . . . . . . . . . . . . . . . . . . . . . . .
Adapter Case Valve Body 7A–61. . . . . . . . . . . . . . . .
Disassembled View 7A–61. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–61. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–61. . . . . . . . . . . . . . . . . .
Reassembly 7A–61. . . . . . . . . . . . . . . . . . . . . . . . . .
Third Clutch And Sprag Unit 7A–63. . . . . . . . . . . . . .
Disassembled View 7A–63. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–63. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–64. . . . . . . . . . . . . . . . . .
Reassembly 7A–64. . . . . . . . . . . . . . . . . . . . . . . . . .
Third Clutch 7A–65. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 2156 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–2
AUTOMATIC TRANSMISSION (4L30–E)
Disassembled View 7A–65. . . . . . . . . . . . . . . . . . . .
Disassemble 7A–65. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair

7A–2
AUTOMATIC TRANSMISSION (4L30–E)
Disassembled View 7A–65. . . . . . . . . . . . . . . . . . . .
Disassemble 7A–65. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–65. . . . . . . . . . . . . . . . . .
Reassembly 7A–65. . . . . . . . . . . . . . . . . . . . . . . . . .
Sprag Unit 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–67. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–67. . . . . . . . . . . . . . . . . .
Reassembly 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . .
Second Clutch 7A–68. . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–68. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–68. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–69. . . . . . . . . . . . . . . . . .
Reassembly 7A–69. . . . . . . . . . . . . . . . . . . . . . . . . .
3–4 Accumulator Piston 7A–70. . . . . . . . . . . . . . . . . .
Disassembled View 7A–70. . . . . . . . . . . . . . . . . . . . Disassembly 7A–70. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–70. . . . . . . . . . . . . . . . . .
Reassembly 7A–71. . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Clutch Piston And Center Support 7A–72.
Disassembled View 7A–72. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–72. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–73. . . . . . . . . . . . . . . . . .
Reassembly 7A–73. . . . . . . . . . . . . . . . . . . . . . . . . .
Overrun Clutch And Turbine Shaft 7A–74. . . . . . . . .
Disassembled View 7A–74. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–74. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–75. . . . . . . . . . . . . . . . . .
Reassembly 7A–75. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data And Specification 7A–77. . . . . . . . . . . . . .
Special Tools 7A–81. . . . . . . . . . . . . . . . . . . . . . . . . . .
4L30–E Parts List 7A–84. . . . . . . . . . . . . . . . . . . . . . .

Page 2157 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–3 AUTOMATIC TRANSMISSION (4L30–E)
Service Precaution
WARNING: IF SO EQUIPPED WITH A
SUPPLEMENTAL RESTRAINT SYSTEM (SRS),
REFER TO THE SRS COMPONENT AND WIRING
LOCATION VIEW IN ORDE

Page 2158 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–4
AUTOMATIC TRANSMISSION (4L30–E)
Range Reference Chart
C07RT010

Page 2159 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–5 AUTOMATIC TRANSMISSION (4L30–E)
Normal Operation Of 1998 4L30–E
Tr a n s m i s s i o n
Torque Converter Clutch (TCC)
Application Conditions:
The TCC is normally applied in 2nd, 3rd

7A–5 AUTOMATIC TRANSMISSION (4L30–E)
Normal Operation Of 1998 4L30–E
Tr a n s m i s s i o n
Torque Converter Clutch (TCC)
Application Conditions:
The TCC is normally applied in 2nd, 3rd and 4th gears
only when all of the following conditions exist:
— The engine coolant temperature is above 70
C
(158
F).
— The brake pedal is released.
— The shift pattern requests TCC apply.
Moreover, TCC is always applied in 2nd, 3rd and 4th
gears when the transmission oil temperature is above
135
C (275F).
This mode should be canceled at 125
C (257F).
ATF Warning Lamp
The ATF warning lamp will be constantly on (not flashing)
if the transmission oil temperature is above 140
C
(284
F).
The ATF warning lamp goes off again when the
transmission oil temperature is below 130
C (266F).
Special Shift Pattern When The Engine Is
Cold:
A special shift pattern is activated when the engine
coolant temperature is below 70
C (158F). (3–4 shifts,
for example, are delayed for small throttle openings and
will occur a few MPH higher.)
Diagnosis
Introduction
The systematic troubleshooting information covered by
this Section offers a practical and systematic approach to
diagnosing 4L30–E transmission, using information that
can be obtained from road tests, electrical diagnosis, oil
pressure checks or noise evaluation.
The key to correcting a complaint is to make use of all of
the available symptoms and logically letting them direct
you to the cause.
When dealing with automatic transmission complaints, it
is best to gather as many symptoms as possible before
making the decision to remove the transmission from the
vehicle.
Frequently, the correction of the complaint does not
require removal of the transmission from the vehicle.
Driver Information
To analyze the problem fill out a complete description of
the owner’s complaint.
Please draw a circle around the right information and
complete the following form. (The next page is an
example of a completed form). You can draw a circle
around many numbers if you are not sure.

Page 2160 of 6000

OPEL FRONTERA 1998 Workshop Manual 7A–6
AUTOMATIC TRANSMISSION (4L30–E)
F07RT036
Example of form completed.

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