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(4 0 0)7A -28
A U T O M A T IC T R A N S M IS S IO N S
C L U T C H O U T E R SEAL
Fig. 7 A - 8 4 C - - R e m o v i n g F o r w a r d C l u t c h P is t o n O u t e r S e a l
9. R em ove inner and outer clutch piston seals (Fig.
7A -84C ).
10. R em ove center piston seal from forward clutch
housing (Fig. 7A -85C ).
Inspection
1. Inspect com position-faced and steel clutch plates for
signs o f burning, scoring or wear.
2. Inspect sixteen (16) springs for collapsed coils or
signs o f distortion.
3. Inspect clutch hubs for worn splines, proper
lubrication holes or scored thrust faces.
4. Inspect piston for cracks.
5. Inspect clutch housing for wear, scoring, open oil
passages and free operation o f ball check.
6. Inspect turbine shaft.
a. Inspect for open lubrication passages at each end.
b. Inspect splines for damage.
c. Inspect ground bushing journals for damage.
d. Inspect shaft for cracks or distortion.
Turbine shaft and clutch housing are serviced
separately. Shaft m ay be rem oved from housing by using a
suitable size socket in an arbor press (Fig. 7A -82C ).
A ssem bly (Fig. 7 A -8 6 C )
N O TIC E :
T he forward and direct clutch pistons have
identical inside and outside diam eters. It is possible to
reverse the pistons during reassem bly, therefore, care
should be exercised to m ake certain the proper piston
be installed in the clutch assem blies, as show n in Figure
7A -102C .
1. Place new inner and outer oil seals on clutch piston,
lips face away from spring pockets (Fig. 7A -84C ).
2. Place a new center seal on clutch housing, as show n
in Fig. 7A -85C . A pply autom atic transm ission oil to all seals
and clutch plates.
3. Place seal protector T ool 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. 7A -87C ).
4. Install sixteen (16) clutch release springs into pockets
in piston.
5. Place spring retainer and snap ring on springs.
6. C om press springs in arbor press, using clutch
com pressor T ools J-4670 and J-21664, install snap ring.
7. If rem oved, install turbine shaft in forward clutch
housing, using arbor press.
8. Install forward clutch hub washers on forward
clutch hub. R etain w ith petrolatum .
9. Place forward clutch hub into forward clutch
housing.
10. Oil and install the com p osition plates, flat steel
plates and waved steel clutch plate (with "U" notches),
starting with waved steel and then alternating com position
and steel clutch plates, as show n in Fig. 7A -88C . M odels
C D and CL do not use a w aved steel clutch plate.
C L U T C H C E N TE R SEAL
F O R W A R D C L U T C H H O U S IN G
Fig. 7 A-85C~Removing Forward Clutch Center Seal
Содержание 1977 Monte Carlo
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Страница 288: ...400 7A 2 AUTOMATIC TRANSMISSIONS OVERHAUL MANUAL Fig 7A 1C 400 Automatic Transmission Side Cross Section Typical...
Страница 402: ...7C 6 CLUTCHES Fig 7 C 1 2 E D e p r e s s in g L ever Fig 7 C 1 4 E S ta k in g N u t...
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