Opel Frontera UBS. Service manual — part 2505
7A–70
AUTOMATIC TRANSMISSION (4L30–E)
Second Clutch
Disassembled View
247RW001
Legend
(1) Retaining Ring
(2) Ring Gear
(3) Retaining Ring
(4) Spacer
(5) Clutch Plates
(6) Waved Washer
(7) Retaining Ring
(8) Spring Seat
(9) Springs
(10) Piston Assembly
(11) Second Clutch Drum
Disassembly
1. Remove retaining ring (1) from second clutch drum
(11).
2. Remove ring gear (2), retaining ring (3), and spacer
(4).
3. Remove clutch plates (5) and waved washer (6).
4. Remove retaining ring (7) using 5–8840–0195–0
(J–23327) compressor to compress the spring seat
(8).
5. Remove spring seat (8), springs (9) and piston
assembly (10) from second clutch drum (11).
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7A–71
AUTOMATIC TRANSMISSION (4L30–E)
Inspection And Repair
Visual Check:
If any damage, deformation or wear is found, replace the
damaged part.
Operation Check:
Shake the piston and listen for check ball movement.
Movement indicates proper check ball operation.
Replace the piston if the check ball is missing or falls out.
Reassembly
1. Install piston assembly (10) into the second clutch
drum (11).
D
Lubricate the lip seal with transmission fluid. Use
the 5–8840–2261–0 (J–23080–A) second clutch
piston installer to protect the outer piston lip seal.
NOTE: Lip of the seal should point toward front of
transmission.
D
Remove the installer.
247RS007
2. Install twenty–two piston springs (9) and spring seat
(8) on the second clutch piston (10). Place retaining
ring (7) onto spring seat.
D
Use the 5–8840–0195–0 (J–23327) compressor to
compress the piston springs.
NOTE: Do not let spring seat catch in ring groove.
D
Remove the compressor.
3. Install waved plate (6) and clutch plates (5). Start with
a steel plate and alternate with lined plates.
D
Align second clutch inner tangs.
4. Install spacer (4), with the fluted end toward clutch
plates.
5. Install retaining ring (3), ring gear (2) and retaining
ring (1).
7A–72
AUTOMATIC TRANSMISSION (4L30–E)
3–4 Accumulator Piston
Disassembled View
244RS005
Legend
(1) Snap Ring
(2) Cover
(3) Spring
(4) Piston Assembly
Disassembly
1. Install the 5–8840–2277–1 (J–38559–A) cover
compressor on adapter case.
D
Compress piston cover then remove snap ring.
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2. Install the 5–8840–2403–0 (J–41096) cover remover
and 5–8840–2266–0 (J–38584) adapter to center
hole of cover.
D
Use the 5–8840–0019–0 and 5–8840–2000–0
(J–23907) slide hammer to remove cover.
3. Remove spring and piston assembly.
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7A–73
AUTOMATIC TRANSMISSION (4L30–E)
Inspection And Repair
Visual Check:
If any damage, deformation or wear is found, replace the
damaged part.
Reassembly
1. Place the 5–8840–2264–0 (J–38553) piston fitter into
adaptor case and push the piston into position, using
suitable diameter tube.
D
Remove the piston fitter.
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2. Install spring and cover.
3. Install snap ring, using the 5–8840–2277–1
(J–38559–A) compressor tool.
D
Install snap ring in groove.
D
Remove the compressor tool.
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