Exploded View Of First And Reverse Synchronizer; Synchronizer Insert Spring Installation; Installing Reverse Synchronizer Hub - Pontiac Grand Prix Service Manual

THREE-SPEED DEARBORN MANUAL TRANSMISSION 7A-11
BLOCKING RING
REAR INSERT SPRING
Fig. 7A-17 Exploded View of First and Reverse
Synchronizer
top of the interlock will be slightly lower than the
17. Install a new shift rail%rpansion plug in front of
surface of the first and reverse shift rail bore.
the case.
13. Move the fist and reverse synchronizer forward
18. While holding the input shaft and blocking ring in
and place the fist and reverse shift fork in the groove
position, move the main shaft forward to seat the main
of the synchronizer.
shaft pilot in the roller bearings of the input shaft.
14. Align the shift fork and install the fist and reverse
19. Tap the input shaft bearing into place in the case
shift rail. Move the rail in until the center notch is
aligned with the detent bore.
15. Install the remaining detent plug and spring.
Secure the spring with the slotted head set screw. Turn
screw in until the head is flush to 0.020 inches below
the top of the case.
16. Secure the first and reverse shift fork to the shift
rail with set screw.
CORRECT REAR INCORRECT REAR
SPRING INSTALLATION SPRING INSTALLATION
l o
INSUE
Fig. 7A-18 Synchronizer Insert Spring Installation Fig. 7A-19 Installing Reverse Synchronizer Hub