7D-14
1968
PONTIAC
SERVICE
MANUAL
eral
main drive gear retaining nut threads are
exposed.
22.
Lock
transmission up by shifting into two
gears.
Install
main drive gear retaining nut on the
gear shaft and draw it up tight, using tool J 933.
Be
sure bearing fully
seats
against shoulder on gear.
Fig.
7D-26
Installing
Extension
to
Case
Torque
retaining nut to 40 lb. ft. and lock in place
by staking securely into main drive gear shaft hole
with
a center punch.
Care
must be used to avoid
damaging the threads on the shaft.
23.
Install
the main drive gear bearing retainer,
gasket and four attaching bolts, using a suitable
sealer on bolts. Torque to 20 lb. ft.
24. Shift mainshaft 3-4 sliding clutch
sleeve
into
neutral
position and 1-2 sliding clutch
sleeve
into
second gear (forward)
detent
position. Shift side
cover 3-4 shifter lever into neutral
detent
and 1-2
shifter lever into second gear (forward)
detent
position.
25.
Install
side cover gasket and carefully posi-
tion side cover into place.
There
is a dowel pin in
cover to assure proper alignment with case.
Install
attaching bolts and tighten evenly to avoid side cover
distortion. Torque to 18 lb. ft.
NOTE:
When
installing
new
gasket,
do not
coat
with
grease.
26.
Install
insulator assembly on
rear
extension.
Torque
bolts to 30 lb. ft.
27. If lever and bracket support to extension was
removed, reinstall, tightening 3 bolts to 30 lb. ft.
torque.
TRANSMISSION-INSTALL
IN
VEHICLE
1. Raise transmission until
rear
extension can be
moved rearwards over center cross member
support.
NOTE:
If it was
necessary
to
remove
cross
member
support
before
removing
transmission,
install
support
while
transmission
is
held
in a
raised
position.
2. Move transmission forward until extension
bracket
studs
engage
holes
in cross member sup-
port and main drive gear shaft enters clutch housing.
Care
should be taken to make certain clutch release
bearing
remains seated.
3.
Install
aligning stud J 1126 in lower right trans-
mission to clutch housing bolt hole for alignment.
4.
Install
two upper transmission to clutch housing
mounting bolts and washers and tighten securely
to 55 lb. ft. torque. Remove aligning stud and install
two lower mounting bolts and washers and tighten
to 55 lb. ft. torque.
5.
Install
rear
extension to cross member support
insulator
and tighten bolts to 30 lb. ft. torque.
6.
Install
propeller shaft drive line assembly by
reversing
steps
4a. through 4c. under
TRANSMIS-
SION
—
REMOVE,
page
7D-7.
7.
Install
manual shift lever and secure shift
bracket
to transmission
rear
extension support with
two bracket to extension bolts. Tighten upper bolt to
50 lb. ft. torque. Tighten lower bolt to 30 lb. ft.
torque.
8. Connect shift rods to shift bracket at
rear
ex-
tension. See
SHIFT
LINKAGE
ADJUSTMENT,
page
7D-1.
9. Connect speedometer cable to speedometer
driven
gear and tighten securely.
10. Connect back-up light leads to back-up light
switch leads, using female connectors.
11.
If rubber
boot
or console was removed, slide
rubber
boot
with metal
boot
retainer over shift stick
and
secure to floor plate with six metal screws.
Install
console.
12. Remove filler plug at side of transmission and
add
2 1/2 pints of
SAE
90 multi-purpose gear
lubri-
cant.
Lubricant
level should be approximately level
with
bottom of filler plug hole.
Install
plug.
13.
Check
shift pattern and adjust as required.
SPECIFICATIONS
TRANSMISSION
IDENTIFICATION
An
identifying
code
is marked in yellow paint, on
all
four-speed manual transmissions.
This
code
con-
sists of two letters, one inch high, on the top of the
case.
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