NMC-WOLLARD 100 - Page 839

NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M100 Tow Tractor Manual No. 46052
DECEMBER 15, 2013
PAGE 183
CHAPTER 5 MAUFACTURER’S INFORMATION
GM 4L70 TRANSMISSION
© 2013 General Motors. All rights reserved
Note: If equipped, remove the
starter opening shield in the
starter motor mounting port in
order to access the torque
converter to engine flywheel
bolts.
12.
Remove the bolts that attach the
torque converter to the engine
flywheel.
13.
Remove the transmission vent
hose and the wiring harness from
the transmission.
14.
Remove the transmission fluid fill
tube and the fill tube seal from the
transmission.
15.
Plug the fluid fill tube opening in
the transmission.
16.
Disconnect the transmission oil
cooler pipes from the
transmission. Refer to
Transmission Fluid Cooler
Hose/Pipe Replacement.
17.
Plug the transmission oil cooler
pipe connectors in the
transmission case.
18.
Remove all vehicle harness wires,
harness clips, tubes, brackets, and
lines that may interfere with the
removal of the transmission from
the vehicle.
19
Raise the transmission with the
transmission jack to take pressure
off of the rear cross member.
20
Secure transmission to the jack
with safety chain
21.
Remove the studs and the bolts
securing the transmission to the
engine.
22.
Pull the transmission straight
back.
23.
Remove the transmission and
converter assembly from under
the vehicle.
24.
Inspect all the components for
wear and damage.
25.
Inspect all the seals and the
fittings for signs of wear.
26.
Inspect the torque converter for
stripped or broken weld nuts.
27.
Inspect the transmission case for
cracks.
Installation Procedure
Caution: The drive plate
(flywheel) will not support a load.
None of the weight of the
transmission must be allowed to