Chrysler DODGE D150 1993 Service Manual page 1007

21 - i NV4500 TRANSMISSION OVERHAUL
NV4500 T R A N S M I S S I O N OVERHAUL
INDEX
page
Shift Cover Service . . . . . . . . . . . . . . . . . . . . . . . 4 3
Transmission Assembly and Adjustment . . . . . . . 26
TRANSMISSION DISASSEMBLY
SHIFT COVER REMOVAL
(1) Remove shift cover bolts (Fig. 1).
Fig. 1 Shift Cower Bolt Removal/installation
(2) Loosen shift cover with pry tool. To avoid dam­
aging cover seal surface, insert pry tool only in slots
provided in cover (Fig. 2).
SHIFT
COVER
SLOT
Fig. 2 Loosening Shift Cover
(3) Raise cover enough to disengage it from align­
ment dowels in gear case (Fig. 3).
(4) Raise front of shift cover and lift cover up and
off gear case (Fig. 3).
page
Transmission Cleaning and Inspection . . . . . . . . . 21
Transmission Disassembly 6
(5) Set cover assembly aside for inspection. If cover
components are damaged, refer to shift cover service
information.
SHIFT
COVER
Fig. 3 Shift Cover Removal/installation
EXTENSION/ADAPTER HOUSING REMOVAL
(1) Remove bolts attaching extension/adapter hous­
ing to gear case (Fig. 4). Use 10 mm, 12 point socket
to remove housing bolts. Loosen bolts 4-5 threads
with socket and ratchet first. An air wrench can then
be used to complete removal but only after bolts are
loose.
C A U T I O N : Spline head bolts are used to attach the
extension or adapter housing to the gear case. The
bolt splines are easily damaged if the wrong tool is
used to loosen and remove them. U s e a 10 m m , 12
point socket or box end wrench only.
(2) Remove extension/adapter housing (Fig. 5). Tap
housing with rubber mallet to loosen it. Then break
sealer bead with putty knife and work housing off
alignment dowels with two pry tools. One alignment
dowel is in case. Other dowel is in housing.
(3) Remove spline seal from end of mainshaft (Fig.
6). The seal can b e reused or discarded as de­
sired. The seal is not an essential part and c a n
b e reused or discarded a s desired. The seal is
mainly u s e d to prevent lubricant loss during
shipping and d o e s not h a v e to be replaced if
damaged.