Hummer H1 Service Manual page 338

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TORQUE CONVERTER/FLEXPLATE/
CONVERTER SEAL REPLACEMENT
1. Remove transmission as described in this section.
2. Remove torque converter from transmission (Figure 5-42).
3. Remove oil seal from pump. Use standard hook tool to
pull seal.
Figure 5-42: Torque Converter Removal/Installation
4. If flexplate is to be replaced, remove attaching bolts and
remove driveplate.
5. Position new flexplate on crankshaft flange. Apply 1-2
drops of Loctite 242 to flexplate bolt threads. Then install
and tighten bolts to 65 lb-ft (88 N•m) torque.
Figure 5-43: Oil Pump Seal Installation
6. Install converter seal with tool J–38694 (Figure 5-43).
7. Install torque converter. Be sure drive lugs on pump gear
are engaged in drive slots of converter hub (Figure 5-42).
8. Install transmission as described in this section.
NOTE: Converter will be recessed in housing when installed
completely and will turn freely when transmission is installed
on engine.
05745159
TORQUE
CONVERTER
HUB
SLOTS
OIL PUMP
SEAL
INSTALLER
J–38694
CONVERTER SEAL
Transmission/Transfer Case
TRANSMISSION REMOVAL
1. Remove console and engine cover.
2. Remove bolts attaching transmission fill tube to heat
shield and intake manifold (Figure 5-44). Then remove fill
tube from transmission case. Cover fill tube bore in case to
prevent dirt entry.
3. Disconnect transfer case shift rod at operating lever
(Figure 5-45).
4. Disconnect transmission shift rod trunnion from shift
control arm (Figure 5-46).
5. Disconnect speed sensor and lock indicator switch wires at
rear of transfer case (Figure 5-47). Then disconnect range
switch at front of transfer case (Figure 5-48).
6. Remove clamps securing wire harness to transfer case and
transmission.
7. Disconnect vent lines at transmission and transfer case.
8. Disconnect transmission harness at case connector by
squeezing both lock tabs of harness connector, and pulling
it straight out of case connector.
CAUTION: Do not pull, twist, pry, or rotate the harness con-
nector in an attempt to remove it. This action can damage the
connector body, pin terminals and solder joints. Release only
by squeezing the lock tabs (Figure 5-49).
9. Disconnect harness wires at transmission input speed
sensor (Figure 5-50).
FILL
TUBE
BRACKET
Figure 5-44: Fill Tube Attachment
5-139
BRACKET
FILL TUBE
SEAL