NMC-WOLLARD 100 - Page 826

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 170
CHAPTER 5 MANUFACTURER’S INFORMATION
GM 4L70 TRANSMISSION
© 2013 General Motors. All rights reserved
10. Grasp filter firmly while pulling down
with a twisting motion in order to remove
the filter.
11.
Remove the filter seal. The filter
seal may be stuck in the pump; if
necessary, carefully use pliers or
another suitable tool to remove the
seal.
12.
Discard the seal.
13.
Inspect the fluid color.
14.
Inspect the filter. Pry the metal
crimping away from the top of the
filter and pull apart. The filter may
contain the following evidence for
root cause diagnosis:
•
Clutch material
•
Bronze slivers indicating
bushing wear
•
Steel particles
15.
Clean the transmission
case and the oil pan
gasket surfaces with
solvent, and air dry. You
must remove all traces of
the old gasket material.
Installation Procedure
1.
Coat the new filter seal with
automatic transmission fluid.
2.
Install the new filter seal into the
transmission case. Tap the seal into
place using a suitable size socket.
3.
Install the new filter into the case.