BR
NV4500 MANUAL TRANSMISSION
21 - 61
DISASSEMBLY AND ASSEMBLY (Continued)
(4) On 2-wheel drive models, remove. extension
housing seal (Fig. 26). Seal can be removed by col
lapsing one side with punch then prying seal out
with suitable tool.
Fig. 26 Extension Housing And Seal (2-Wheel
Drive
Models)
(5) Note that 4-wheel drive adapter housing
does not have a seal (Fig. 27).
Fig. 27 Adapter Housing (4-Wheel
Drive
Models)
EXTENSION/ADAPTER
HOUSING
INSTALLA7SON
(1) I f extension housing seal needs replacement,
remove it collapsing with a punch and chisel. Then
pry seal out of housing with crowfoot pry bar.
(2) I f extension housing bushing must be replaced,
collapse old bushing with tapered drift (Fig. 28).
Position drift i n slot provided at end of housing. Then
tap drift into slot and against bushing to collapse
and remove it.
(3) Remove any burrs from housing bushing bore
with a file and emery cloth.
(4) Install new bushing in extension housing (Fig.
29). Use Tool Handle C-4171 and Installer Tool
SP5559 to install bushing. Note that installer tool
SP5559 is part of tool set C-4469.
(5) Install
extension
housing
seal
with
Tool
C-4660-3 (Fig. 30).
TAPERED
Fig. 28 Removing Extension Housing
Bushing
Fig. 29 Installing Extension Housing
Bushing
J9221-201
Fig. 88 Installing Extension Housing
Seal