Removing Countershaft With J 22379 - Pontiac Grand Prix Service Manual

7D-8
1%9
PONTIAC SERVICE
MANUAL
Fig. 7D-13 Removing Countershaft with J 22379
rearward to disengage yoke from splines on transmis-
sion mainshaft.
4. Support rear of engine and remove two transmission
extension insulator to cross member support retaining
bolts (see Section 6).
5. Remove the two top transmission to clutch housing
bolts and insert two Transmission Aligning Studs J
1 126 in these holes.
NOTE: The use of two aligning studs during this
operation will support the transmission and prevent
damage to the clutch disc through springing.
6. Remove the two lower transmission to clutch
housing bolts.
7. Tilt rear of extension upward to disengage bracket
Fig. 7D-14 Removing Mainshaft Front Snap Ring
using J 932
studs from cross member support and withdraw
transmission from clutch housing.
8. Remove the transmission.
DISASSEMBLE
1. Remove transmission side cover assembly from
transmission case and drain lubricant.
NOTE: If cover assembly is to be disassembled for
inspection or replacement of worn parts, follow
procedures 5 through 8 under TRANSMISSION SIDE
COVER
-
REMOVE.
2. Remove insulator assembly from transmission rear
extension.
3. Remove four bolts from front bearing retainer and
remove retainer and gasket.
4. Remove the main drive gear retaining nut (Fig. 7D-9),
using Tool J 933 afier locking up transmission by
shijiing into two gears.
NOTE: Nut has lefi hand threads.
5. With transmission gears in neutral, drive lock pin
from bottom side of reverse shifter lever boss and pull
shaft out about 1/8". This disengages the reverse shift
fork from reverse gear (Fig. 7D-10).
Fig. 70-15 Pressing Mainshaft from Rear Bearing
Retainer