Pontiac Fiero 1988 Service Manual page 832

AUTOMATIC TRANSAXLE
125C45
688
ILL.
NO.
DESCRIPTION
6
7
3 RING, OIL SEAL (GOVERNOR SHAFT)
4 GOVERNOR ASSEMBLY
BEARING ASSEMBLY, THRUST
SEAL, " O " RING
8 BOLT
687 ROTOR, SPEED SENSOR
688 HOUSING, SPEED SENSOR
689 COIL ASSEMBLY
690 WASHER
691
MAGNET
692 SEAL, "O" RING
693 WASHER, WAVE SPRING
694 GASKET, COVER
695 COVER, HOUSING
696 BOLT
H125C-350
Figure 109A - Governor and Internal Transaxle
Speed Sensor
•»«- Install or Connect
Seal (3) - use petrolatum
\9
Inspect
Gear (5) for wear
Bearing (6) for damage
Cover (9) for porosity or cracks
Gear (10) for wear
"O" ring (11) for nicks or cuts
Sleeve (12) for scoring
Install or Connect (Figure 109)
Governor Assembly (4) into case
Gear (5) onto governor
Bearing (6) onto gear
New "O" ring (7) into cover (9)
Cover (9)
Make sure Governor shaft is piloted into cover.
Bolt (8)
Tighten
# Torque the screw (8) to 11 N-m (8 ft. lbs.)
Assemble (Figure 109)
"O" ring (11) onto sleeve (12)
Gear (10) into sleeve (12)
= • 4 - 1
Install or Connect
1 Sleeve (12) into cover (9)
2. Retainer (13)
3. Bolt (14)
j^J
Tighten
• Torque the screw (14) to 9 N-m (75 inch pounds)
Governor Assembly (ITSS) (Some Models)
Inspect (Figure 109A)
Governor (4) for
blocked oil passage
damaged springs or binding weights
damaged seal-replace as required
Rotor (687) for
cracks
damaged or missing teeth
Damaged bearing (6)
Install or Connect (Figure 109A)
• = > < H
1.
2.
3.
4.
5.
Governor assembly (4) into case
Rotor (687) onto governor assembly
Bearing (6) onto rotor
New oil seal (7) onto housing (688)
Housing (688) onto case-governor shaft must pilot
in the housing
Bolt (8)
Internal Transaxle Speed Sensor (ITSS)
|<fe| Disassemble (Figure 109A)
1. Screws (696)
2. Cover (695) and gasket (694)
3. Wave spring washer (693), washers (690) and
magnet (691)
4. Coil assembly (689) and "O" ring (692)
1?
Inspect
• Housing (688) and cover (695) for porosity
or cracks
• Gaskets (694) and "O" ring (692) for
damage
Replace as required
• Coil assembly (689) for missing or damaged
- Washer (690)
- Magnet (691)
Spring washer (693)