Pontiac Grand Prix Service Manual page 441

FOUR-SPEED SAGINAW MANUAL TRANSMISSION 7C-5
.,
.
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-.-
DRIVE .GEAR
Fig. 7C-7 Expanding Extension Housing Snap Ring
Fig. 7C-5 Removing Front Bearing
14. Rem'ove speedometer gear by depressing retainer
clip and sliding gear off output shaft.
9. Using Countershaft Alignment Tool J 22246, tap out
15. Support first gear with press plates and press on
countergear shaft and its woodruff key through rear of
rear of main shaft to remove first gear, thrust washer,
case (Fig. 7C-8) and remove muntergear and 2 tanged
'priag
rear bearing and snap ring (Fig.
thrust washers.
7C-11).
16. Remove the 1st and 2nd synchronizer snap ring
NOTE: At this point, Tool J 22246 may be left in to hold
from m-haft
and press s y n c h r o n ~ r assembly, 2nd
the roller bearings in place or be taken out in which case
speed blocker riag and
se,nd
speed gear off end of
27 roller bearings and a spacer must be removed
/ram
mainsha* ( ~ i ~ . 7~-12).
each end of the shaft.
10. Use a long drift or punch through the front bearing
CLEANING AND INSPECTION
case bore and drive the reverse idler shaft and Refer to Section 7B.
woodruff key through rear of the case (Fig. 7C-9).
ASSEMBLE
11. Remove 3rd and 4th synchronizer snap ring (Fig.
Turn the front of the mainshaft upward and install the
7C-4). following components:
12. Support third speed gear with press plates and
1. Install third speed gear with clutching teeth upward;
press on front of mainshaft to remove synchronizer
rear face of gear will butt against the flange on the
assembly, third gear blocker ring and third speed gear
mainshaft.
from mainshaft (Fig. 7C-10).
13. Remove rear bearing snap ring from mainshaft
(Fig. 7C-3).
Fig. 7C-6 Removing Mainshaft
Fig. 7C-8 Removing or Installing Countershaft