Dodge ram truck 3500 1996 Service Manual page 1443

NV4500 MANUAL TRANSMISSION 21 - 53
SERVICE PROCEDURES
(Continued)
Fig. 5 Shift Fork Pad Locations
Fig. 6 Reverse inhibitor Mounting
VENT COMPONENT REPLACEMENT
The shift cover vent assembly consists of the vent
tube, connecting hose, hose clamps, and vent valve
(Fig. 7).
TUBE CLAMP J9221-256
Fig. 7 Shift Cower Went Components
I f the vent tube is removed for replacement or ser­
vice access, apply Mopar silicone adhesive/sealer to
the tube to help secure it in the cover.
BACKUP LIGHT SWITCH REPLACEMENT
The backup light switch is located at the left (driv­
er) side of the cover (Fig. 8). The switch plunger is
operated by the fifth-reverse shift rail.
Fig. 8 Backup Light Switch Location
The switch can be replaced with the transmission
in, or out of the vehicle. A gasket may, or may not be
used with the switch.
Apply sealer to the switch threads before installa­
tion. Tightening torque for the switch is 22-34 N-m
(192-300 in. lbs.).
EXPANSION PLUG REPLACEMENT
The expansion plugs at the rear of the shift rail
bores (Fig. 9) can be replaced i f loose and/or leaking.
Replacement procedure is as follows:
Fig. 9 Expansion Plug Location
(1) Drill 6 mm (1/4 in.) diameter hole in each plug
to be removed.
(2) Pry plug out of cover with tapered punch.
(3) Clean all chips from shift cover and plug bores.
Then clean plug bores with solvent and dry with
clean shop towel.
(4) Apply small bead of sealer to outer edge of
each new plug. Use Mopar silicone adhesive/sealer, or
equivalent.
(5) Position each new plug in bore and tap into
place with hammer and suitable size punch or socket.