Pontiac tempest 1968 Service Manual page 394

THREE SPEED D E A R B O R N M A N U A L TRANSMISSION 7A-13
with the countershaft. Before the countershaft is
completely inserted, make sure that the locking pin
hole i n the shaft w i l l line up with the locking pin
hole in the case.
28. Drive the shaft into place and insert the lock­
ing pin,
29. Coat a new extension housing gasket with seal­
er and install i t on the case.
30. Dip tiie threads of t h e
extension housing
screws i n sealer.
31. Install the extension housing.
Torque t h e
screws to 46 l b . f t .
32. Install the f i l l e r and drain plugs i n case, mak­
ing sure the magnetic plug is installed i n bottom of
case.
33. Place the transmission in gear and put l u b r i ­
cant over the entire gear t r a i n while rotating the
input shaft.
34. Coat a new cover gasket with sealer and install
i t on the case.
35. Install cover. Torque screws to 17 l b . ft.
8. Refill
t r a n s m i s s i o n with recommended
lubricant.
SPECIFICATIONS
TRANSMISSION IDENTIFICATION
An identifying code is marked in yellow paint on
all three speed manual transmissions. This code
consists of two letters, 2 inches high, on the R.H.
side of the case. The letters "DA" identify the
standard Pontiac three speed manual (Dearborn)
transmission and " D B " identifies a heavy duty
Tempest or F i r e b i r d three speed manual (Dearborn)
transmission.
A number derived from the vehicle identification
number is also stamped on the transmission case
as shown in Fig. 7A-25.
GEAR RATIOS
F i r s t Speed
2.42:1
Second Speed . 1.61:1
T h i r d Speed 1.00:1
Reverse .
2.33:1
TRANSMISSION—INSTALL IN VEHICLE
1. Install guide p i n i n upper right transmission to
flywheel housing bolt hole for alignment and place
transmission on guide pin. Rotate transmission, as
necessary, to start main drive gear splines into
clutch friction plate. Slide transmission forward.
NOTE: Make certain splines of clutch friction
plate are concentric with pilot bearing in crank­
shaft and release bearing properly installed.
2. Install two (2) lower transmission mounting
bolts. Remove guide pin and install two (2) upper
bolts. Torque bolts 55 l b . ft.
3. Slide crossmember forward and install four (4)
bolts. Torque 25 l b . f t .
4. Install transmission mount and lower engine.
Torque mount bolts 30 l b . ft.
5. Install propeller shaft.
6. Connect linkage and adjust as described i n ON
CAR ADJUSTMENTS
LUBRICANT
Capacity 2 3/4 pints
CLEARANCES
Countershaft Gear End Play. . . . 0.004"-0.018"
Reverse Idler Gear End Play . . . 0.004 M -X).018"
S T A M P V E H I C L E I D E N T I F I C A T I O N
N U M B E R C O N S I S T I N G O F T H E
F I G U R E 2 F O L L O W E D B Y T H E
L A S T 8 D I G I T S O F C A R S E R I A L
N U M B E R .
7. Connect speedometer cable.
F i g . 7 A - 2 5 V e h i c l e Identification Number
Location