Pontiac Fiero 1988 Service Manual page 814

AUTOMATIC TRANSAXLE
125C-27
1.
4.
5.
6.
Assemble (Figure 65)
Drum (643) onto the reaction sun gear (646) in
the case
Input sun gear (642) I.D. groove facing up onto
the reaction sun gear (646)
Tanged thrust washer (641) onto the carrier
assembly (640) - retain with petrolatum.
Carrier assembly (640) onto the sun gear (642) -
sun gear must engage the pinions.
Thrust washer (639)
Internal gear (637)
FORWARD CLUTCH ASSEMB1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Disassemble (Figures 66 and
67)
Tools Required:
Arbor Press or J-23456 Clutch Pack
Compressor
Snap ring (635) from clutch housing (624)
Backing plate (634)
Steel waved plate (625)
Steel and composition clutch plates (633)
Steel waved plate (625)
Snap ring (632) - use an arbor press or J-23456.
Retainer and spring assembly (631) and guide (630)
Piston (629)
Insert (628)
Piston seals (626 and 627)
| ® Inspect (Figure 66)
m
1.
2.
3.
Forward clutch housing (624) for cracks, broken
welds
Input shaft (A) splines and journals for damage
Input sleeve for damage, alignment and tightness
- sleeve must not turn and slot must line up with
input shaft hole.
Seal rings (622) for damage - do not remove
unless replacing.
Piston (629) for damage or cracks
Snap ring (621) for damage
Insert (628) for damage
Spring guide (630) for damage or distortion
Retainer and spring assembly (631) for collapsed
springs or bent retainer
Composition and steel plates for wear or burning
Waved plates (625) for wear or burning - flatness
Backing plate (634) for damage or cracks
Assemble (Figures 66, 67, 68, 69, and 70)
Tools Required:
J-26744-A Seal Installer
J-23456 Clutch Pack Compressor
J-25018-A Adapter Forward Spring
Compressor
Inner (627) and outer (626) seals - lips facing
housing (624) (Figure 68)
Insert (628)
Piston assembly (629) with J-26744-A. Start
inner seal (627) first.
6 3 0
6 2 5
6 3 3
621 RING, SNAP (SELECTIVE)
6 2 2 RING, OIL SEAL
6 2 4 HOUSING ASSEMBLY, FORWARD CLUTCH
6 2 5 PLATE, FORWARD CLUTCH WAVED
626 S E A L , FORWARD CLUTCH PISTON (OUTER)
627 S E A L , FORWARD CLUTCH PISTON (INNER)
6 2 8 INSERT•
629 PISTON, FORWARD C L U T C H
6 3 0 GUIDE, RELEASE SPRING
631 RETAINER & SPRING ASM., FWD, C L .
632 RING, SNAP SPRING RETAINER
6 3 3 PLATE A S M . , FORWARD C L U T C H
634 PLATE, FORWARD CL. BACKING (SELECTIVE)
6 3 5 RING, SNAP
H 1 2 5 C - 1 4 7 - 6
Figure 6 6 Forward Clutch Assembly