Pontiac FIREBIRD 1972 Service Manual page 837

THREE SPEED SAGINAW TRANSMISSION 7A-15
Fig. 7A-32 Loading Bearing Rollers into Countershaft Gear
10. Install countershaft gear assembly into case. Install
countershaft from rear of case. Make certain woo-
druff key is in position.
11. Install reverse idler gear, shaft and woodruff key.
NOTE: Reverse idler gear retainer nng will be
installed after installation of mainshaft.
12. Install rear extension. Spread snap ring in rear exten-
sion to allow snap ring to drop around rear bearing
(Fig. 7A-20). Press on end of mainshaft until snap
ring engages groove in rear bearing.
13. Install fourteen (14) bearing rollers in the main drive
gear, using heavy grease to hold rollers in place (Fig.
7A-33).
Fig. 7A-33 Loading Rollers Into Main Drive Gear
14. Asscrnble 3rd speed blocker ring on main drive gear.
15. Pilot main drive gear and 3rd speed blocker ring over
front of mainshaft.
16. Using heavy grease, install rear extension-to-case gas-
ket.
17. Install rear extension and mainshaft assembly into
case. Install rear extension-to -case bolts. Torque to
45 lb. ft.
CAUTION: Make certain that notches in 3rd
speed blocker ring align with keys in 2nd
&
3rd
synchronizer clutch hub.
18. Install bearing onto main drive gear. Outer snap ring
groove must be toward front of gear.
19. Install bearing-to-main drive gear snap ring.
20. Install main drive gear bearing retainer, gasket and
four attaching bolts, torquing bolts to 10 lb. ft.
NOTE: The retainer oil return hole must be at
bottom of case.
21. Install reverse idler gear retainer ring.
22. Install new case cover gasket. Place transmission in
neutral and install case cover. Secure with attaching
bolts and torque evenly to 10 lb. ft. to avoid case
cover distortion.
23. Install speedometer driven gear in rear extension and
attach S.C.S. ground wire (V-8 engines only).
INSTALL
1. Install guide pin in 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 fiction
plate are concen tnc with pilot bearing in crank-
shaff and that the release bearing is properly
installed.
2. Install two (2) lower transmission mounting bolts.
Remove guide pin and install two (2) upper bolts.
Torque bolts to 55 Ib. ft.
3. Slide crossmember forward'and install four (4) bolts.
Torque to 25 lb. ft.
4. Install transmission mount and lower engine. Torque
mount bolts to 30 lb. ft.