Pontiac tempest 1968 Service Manual page 391

7A-10 1968 P O N T I A C SERVICE MANUAL
F i g . 7 A - 1 6 Removing Reverse Synchronizer Hub and
Sliding G e a r
15. Coat the tapered machine surface of the sec­
ond gear with grease and slide the blocking ring onto
it.
TRANSMISSION-ASSEMBLE
1. Install reverse idler gear, with a thrust washer
on each end in case. Make sure that roll pin (Fig.
7A-20) is seated in slot in back face of case.
2. Assemble the countergear, countershaft align­
ment tool, bearings, thrust washers and place in
bottom of case. The countergear will remain in the
bottom of the case until the main and input shafts
have been installed (Fig. 7A-21).
3. Coat the bore of the input shaft and gear (Fig.
7A-22) with a thin film of grease and install the 15
bearings in the bore.
NOTE: A thick film of grease mil plug the lubri­
cant holes and prevent lubrication of the bearings.
4. Install the input shaft and bearing through the
top of the case into the bore in the front of the case.
Install the large snap ring on the bearing.
5. Position the mainshaft assembly in the case.
6. Install the second and third speed shift fork on
the second and third speed synchronizer.
16. Slide the second gear with blocking ring and
the second and third gear synchronizer onto the
main shaft. The tapered machined surface of the
second gear must be toward the front of the shaft.
Make sure the notches in the blocking ring engage
the synchronizer inserts. Secure the synchronizer
with a snap ring.
7. Place a detent plug spring and detent plug in
the case.
NOTE: Detent plug and spring installation can be
facilitated by the use of tool J 22239 or a similar
tool fabricated from 1/2" round bar stock (Fig.
7A-23).
F R O N T
I N S E R T S P R I N G
I N S E R T S
B L O C K I N G R I N G
R E A R I N S E R T S P R I N G .
0.120 T O 0.140
A L I G N M E N T M A R K S
/
S L E E V E A N D
R E V E R S E G E A R
F i g . 7 A - 1 7 Exploded V i e w of First and Reverse Synchronizer