Chevrolet 1973 Overhaul Manual page 390

Fig. 70T-Rem oving Forward Clutch Spring Retaining
Snap Ring
b. Inspect splines for damage.
c. Inspect ground bushing journals for damage.
d. Inspect shaft for cracks or distortion.
NOTE: Turbine shaft and clutch housing are
serviced separately. Shaft may be removed
from housing by using a suitable size socket
in an arbor press (fig. 69T).
Assembly (fig. 72T)
NOTE: The Turbo Hydra-Matic forward and
direct clutch pistons have identical inside and
outside diameters. It is possible to reverse the
pistons during reasembly, therefore, care
should be exercised to make certain the
proper piston be installed in the clutch
assemblies. As shown in Figure 89T, the
direct clutch piston can be identified by the
check ball.
1. Place new inner and outer oil seals on clutch piston,
lips face away from spring pockets (fig. 7 IT).
2. Place a new center seal on clutch housing, lip faces
up (fig. 72T).
NOTE: Apply automatic transmission oil to
all seals and clutch plates.
3. Place seal protector Tool J-21362, over clutch hub
and install outer clutch piston seal Protector
J-21409, into clutch drum and install piston,
rotating piston on drum until seated (fig. 74T).
A U T O M A T IC T R A N S M IS S IO N
CLUTCH OUTER SEAL
Fig. 71T-Rem oving Forward Clutch Piston Outer Seal
Fig. 72T-Rem oving Forward Clutch Center Seal
4. Install sixteen (16) clutch release springs into
pockets in piston.
5. Place spring retainer and snap ring on springs.
6. Compress springs in arbor press, using clutch
compressor Tools J- 4670 and J-21664, install snap
ring.
7. If removed, install turbine shaft in forward clutch
housing, using arbor press.
8. Install forward clutch hub washers on forward
clutch hub. Retain with petrolatum.
9. Place forward clutch hub into forward clutch
housing.
10. Oil and install five (5) radial grooved composition
and four (4) flat steel and one (1) waved steel clutch
plate (plate with "U " notches) starting with waved
steel and alternating composition and steel clutch
plates (fig. 75T).
7A-87
OVERHAUL MANUAL