Front Retainer Removal

1. Remove front retainer bolts. Discard retainer bolts. They should not be reused.
2. Remove front retainer by lightly tapping it back and forth with plastic mallet to loosen it. Then rock retainer back and forth by hand to work it out of gear case. Note that retainer flange extends into the transmission case and is a snug fit into case bore.





3. Remove seal from front retainer. Use small chisel to collapse one side of seal then pry it out with suitable tool.
4. Remove bearing cup from front retainer as follows:





a. Assemble Puller Flange 6444-1 and Puller Rods 6444-4, or equivalents.
b. Insert Puller Jaws 6453-1, or equivalent in puller flange. Narrow lip of puller jaws will go under bearing cup.
c. Install Disc C-4487-1, or equivalent into bearing retainer on heavy duty transmissions for Insert 6453-2 to rest upon.





d. Install assembled tools in front retainer. Be sure puller jaws are seated under bearing cup.
e. Place Insert Tool 6453-2, or equivalent in center of puller jaws. Insert tool is used to hold puller jaws in place.





f. Install Puller 6444, or equivalent on puller rods. Then install retaining nuts on puller rods.
g. Tighten puller bolt to draw bearing cup out of retainer.