1998 OPEL FRONTERA oil pump

7A–48
AUTOMATIC TRANSMISSION (4L30–E)
15. Remove servo piston assembly (15), return spring
(16), and servo apply rod (17).
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16. Rotate transmission to horizontal position, pan side
down.
Remove one 10mm screw, and speed sensor (18)
with “O” ring.
17. Remove seven 8mm extension housing hexagon
socket head screws, extension housing assembly
(19), and gasket.
18. Remove retaining ring (20).
NOTE: Use extra long, needle- nose pliers.19. Remove speed wheel (21).
20. Remove wheel parking lock (with seal ring) (22).
241RS002
21. Rotate transmission to vertical position, converter
housing up.
Loosen the converter housing and oil pump
assembly fixing screws, but do not remove the five
13 mm inner screws if oil pump disassembly is
required.
Remove seven outer screws.
Remove converter housing and oil pump assembly
(23).
22. Remove gasket (24).

7A–55 AUTOMATIC TRANSMISSION (4L30–E)
33. Install fourth clutch retainer (31) with the notch facing
up and positioned towards valve body surface.
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34. Overdrive clutch end play measurement
1. Install the 5–8840–2262–0 (J–23085–A)
selective washer gauging tool on the adapter
case flange and against the input shaft.
2. Position the inner shaft of the tool against the
thrust surface of the overrun clutch housing.
3. Tighten thumb screw. Remove the tool.
4. Measure gap. Select appropriate size washer as
shown in the chart.
5. Set selective thrust washer aside.
Selective Thrust Washer
Gap: mm(in)Color
1.53 – 1.63 (0.060 – 0.064)Yellow
1.72 – 1.82 (0.068 – 0.072)Red
1.91 – 2.01 (0.075 – 0.079)Black
2.10 – 2.20 (0.083 – 0.087)Natural
2.29 – 2.39 (0.090 – 0.094)Green
2.48 – 2.58 (0.098 – 0.102)Blue
FOLLOWING THE PROCEDURE SHOULD
RESULT IN FINAL END–PLAY FROM 0.1 mm TO
0.8 mm (0.004 in TO 0.03 in)
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252RW009
35. Install selective washer (32).
NOTE: Use petroleum jelly to hold selective washer in
place.
36. Install gasket (33).
37. Install converter housing and oil pump assembly (34)
to adapter case.
Fit and tighten seven outer 13 mm screws.
To r q u e : 3 9 N
m (4.0 kgꞏm/29 lb ft)

7A–56
AUTOMATIC TRANSMISSION (4L30–E)
Ensure free rotation of pump using 5–8840–2273–0
(J–23082–01) oil pump rotation tool.
241RW010
38. Overdrive clutch end play measurement.
1. Fit 5–8840–2271–0 (J–25022) and
5–8840–0618–0 (J–24773–1) turbine shaft puller
on turbine shaft.
2. Position axial play checking tool on converter
housing mating face.
3. Pull turbine shaft upwards with puller until first
resistance is met. (due to weight of overdrive
assembly).
4. Maintain shaft in this position and set indicator to
zero.
5. Pull turbine shaft further upwards with puller.
Read end play shown on indicator.
End play: 0.1mm – 0.8mm (0.004 in – 0.031in)6. Remove axial play checking tool and puller.
NOTE: If end play is not correct, repeat selective washer
selection.
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39. Inspect extension housing oil seal and replace if
necessary, using 5–8840–2282–0 (J–36797)
extension housing oil seal installer.
Rotate transmission to horizontal position, with
valve body side down.
Inspect parking wheel seal ring. Replace if
necessary.
Install wheel parking lock assembly (35).
40. Install speed wheel (36) and snap ring (37).
NOTE: Use extra long, needle-nose pliers.
41. Install gasket onto extension assembly with a thin
coating of oil.
Install extension housing assembly (38), and align
parking pawl shaft.
Install actuator assembly into extension assembly.
Install seven 8 mm hexagon socket head screws.
To r q u e : 3 2 N
m (3.3 kgꞏm/24 lb ft)
42. Inspect speed sensor O–ring. Replace if necessary.
Install speed sensor assembly (39) and 10 mm
screw.
To r q u e : 9 N
m (0.9 kgꞏm/78 lb in)

7A–59 AUTOMATIC TRANSMISSION (4L30–E)
56. Connect wiring harness harness assembly (52) to
converter clutch solenoid, force motor, and 5 pin
connector.
57. Install oil pan gasket, adapter case oil pan (53), and
twelve 10 mm screws.
Torque: 11 N
m (1.1 kgꞏm/96 lb in)
Rotate transmission, with bottom pan facing down.
58. Install mode switch (54), two 10 mm screws, selector
lever nut, and cover.
10 mm screw
Torque: 13 N
m (1.3 kgꞏm/113 lb in)
Nut
Torque: 23 N
m (2.3 kgꞏm/17 lb ft)
Adjust using setting tool, refer to Mode Switch in
this section.
59. Install O–ring (55) on turbine shaft.60. Install torque converter (56)
The converter assembly must be replaced under any
of the following conditions:
a. Evidence of damage to the pump assembly.
b. Metal particles are found after flushing the cooler
lines.
c. External leaks in hub weld area.
d. Converter pilot broken, damaged, or poor fit into
crankshaft.
e. Converter hub scored or damaged.
f. Internal failure in stator.
g. Contamination from engine coolant.
h. Excess end play.Rotate transmission, bell housing up. Spin
converter to insure proper fit.
61. Fill transmission through the overfill screw hole of oil
pan, using ATF DEXRON
–III. Refer to Changing
Transmission Fluid in this section.
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7A–60
AUTOMATIC TRANSMISSION (4L30–E)
Converter Housing And Oil Pump Assembly
Disassembled View
241RW003
Legend
(1) Converter Housing
(2) Outer Seal Ring
(3) Gasket(4) Wear Plate
(5) Oil Pump Assembly
(6) Oil Seal Ring
Disassembly
1. Remove oil pump assembly from converter housing.
2. Remove outer seal ring.
3. Remove gasket.
4. Remove wear plate.
5. Remove oil seal ring.
Inspection And Repair
Visual Check:
If any damage, deformation, or local wear is found in a
converter housing, outer seal ring, wear plate, or oil seal
ring, replace it.
Reassembly
1. Install wear plate onto oil pump assembly.
2. Install converter housing onto complete oil pump
assembly. Align with two short 5–8840–2268–0
(J–38588) guide pins on outer bolt holes.
Loosely install five 13mm bolts.
Center converter housing using 5–8840–2272–0
(J–38557) centering tool.
Tighten five inner 13mm bolts in an alternating
pattern.
To r q u e : 2 0 N
m (2.0 kgꞏm/15 lb ft)
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3. Install oil seal ring (3 screws).
To r q u e : 3 N
m (0.3 kgꞏm/26 lb in)
4. Install gasket.
5. Install outer seal ring.

7A–61 AUTOMATIC TRANSMISSION (4L30–E)
Oil Pump
Disassembled View
241RS014
Legend
(1) Oil Pump Drive Gear
(2) Oil Pump Driven Gear
(3) Pin
(4) Plug
(5) Spring
(6) Converter Clutch Control Valve
(7) Snap Ring
(8) Spring Seat
(9) Spring(10) Throttle Signal Accumulator Piston
(11) Sleeve Pin
(12) Sleeve
(13) Boost Valve
(14) Spring Seat
(15) Valve Spring
(16) Spring Seat
(17) Pressure Regulator valve
(18) Oil Pump Assembly
Disassembly
1. Remove oil pump drive gear (1) and driven gear (2).
2. Remove pin (3) from oil pump assembly (18).
3. Remove plug (4), spring (5), and converter clutch
control valve (6).
4. Remove snap ring (7) from oil pump assembly (18).
5. Remove spring seat (8), spring (9), and throttle signal
accumulator piston (10).
6. Remove sleeve pin (11) from oil pump assembly (18).
7. Remove sleeve (12), boost valve (13), spring seat
(14), valve spring (15), spring seat (16), and pressure
regulator valve (17).
Inspection And Repair
Visual Check:
If any damage, deformation or wear is found, replace the
damaged part.
Reassembly
1. Lubricate and preinstall pressure regulator spring
seat (16) on valve (17), with the flat side against
shoulder.
2. Install pressure regulator valve (17) and spring seat
(16) assembly, valve spring (15), and spring seat (14)
with the flat side away from spring to oil pump
assembly (18).
3. Assemble boost valve (13) into sleeve (12).
4. Install boost valve and sleeve assembly, and sleeve
pin (11) to oil pump assembly (18).
5. Install throttle signal accumulator piston (10), spring
(9), and spring seat (8), with the flat side away from
the spring, and snap ring (7) to oil pump assembly
(18).
6. Install converter clutch control valve (6), spring (5),
plug (4), and pin (3) to oil pump assembly (18).
7. Install oil pump driven gear (2) and drive gear (1).

7A–84
AUTOMATIC TRANSMISSION (4L30–E)
ILLUSTRATIONTOOL NO.
TOOL NAME
5–8840–2268–0
(J–38588)
Guide pins; adapter
case to main case
5–8840–2269–0
(J–38555)
Overrun clutch piston
seal installer set
5–8840–2270–0
(J–3387–2)
Guide pins; gasket and
transfer plate to valve
body
5–8840–2271–0
(J–25022)
Turbine shaft puller (Use
with 5–8840–0618–0
(J–24773–1))
5–8840–0196–0
(J–23129)
Oil seal remover (Use
with 5–8840–2266–0
(J–23907) and
5–8840–0019–0
(J–38584))
5–8840–2272–0
(J–38557)
Oil pump centering tool
ILLUSTRATIONTOOL NO.
TOOL NAME
5–8840–2273–0
(J–23082–01)
Oil pump rotation tool
5–8840–0022–0
(J–25025–B)
Guide pins; valve body
to main case
5–8840–2274–0
(J–38428)
Servo piston fitter
5–8840–2275–0
(J–23327–91)
Overrun clutch spring
compressor
5–8840–2277–1
(J–38559–A)
3/4 Accumulator piston
cover compressor
5–8840–2278–0
(J–8763–02)
Holding fixture

7A–86
AUTOMATIC TRANSMISSION (4L30–E)
4L30–E Parts List
Case And Associated Parts
241RY00022
Legend
(1) Torque Converter
(2) Screw, Seal Ring Assembly
(3) Seal Ring Assembly, Converter Housing
(4) Screw, Converter Housing/Main Case
(5) Screw, Converter Housing/Oil Pump
(6) Housing, Converter
(7) Plug, Converter Housing
(8) Seal, O–Ring
(9) Wear Plate, Oil Pump Body
(10) Pump Assembly, Oil
(11) Gasket
(12) Washer, Thrust Selective
(13) Ring, Snap
(14) Cover, 3–4 Accumulator Piston
(15) Seal, O–Ring, 3–4 Accumulator
(16) Spring, 3–4 Accumulator Piston(17) Pin, 3–4 Accumulator Piston
(18) Piston, 3–4 Accumulator
(19) Ring, 3–4, Accumulator Piston
(20) Case, Adapter
(22) Connector, Electrical/Adapter Case
(23) Screw, Pan
(27) Restrictor, Oil
(28) Gasket, Transfer Plate/Adapter
(29) Plate, Transfer Adapter/Center Support
(30) Support Assembly, Center
(31) Screw, Center Support
(32) Ring, Oil Seal
(33) Seal, O–Ring Main Case
(34) Fitting, Cooler
(35) Fitting Assembly, Cooler
(36) Case, Main
(37) Breather, Pipe