Dodge D150 1990 Service Manual page 950

• AUTOMATIC TRANSMISSION 21 - 99
FEELER GAUGE RH288
Fig. 20 Measuring Front Clutch Pack Clearance
(Typical)
FRONT CLUTCH—A-727
Clutch Disassembly
(1) Remove t h e waved snap r i n g a n d remove t h e
pressure plate, clutch plates a n d d r i v i n g discs (Fig.
21).
(2) Compress the clutch piston retainer and springs
w i t h compressor tool C-3863-A (Fig. 22).
(3) Remove t h e piston snap r i n g a n d spring re-
tainer (Fig. 21).
(4) Remove the piston springs. N o t e t h e n u m b e r
a n d p o s i t i o n o f t h e p i s t o n s p r i n g s f o r a s s e m b l y
r e f e r e n c e .
(5) Remove the compressor tool.
(6) Remove the clutch piston from the retainer.
(7) Remove a n d discard t h e clutch piston seals.
Also discard the spring retainer snap r i n g .
Clutch Inspection
Clean and inspect the front clutch components. Re-
place the clutch discs i f warped, w o r n , scored, burned
or charred, the lugs are damaged, or i f t h e facing is
f l a k i n g off. Replace the steel plates i f heavily scored,
warped, or broken. Be sure the d r i v i n g lugs on t h e
discs and plates are also i n good condition. The lugs
must not be bent, cracked or damaged i n any way.
Replace the piston springs and spring retainer i f ei-
ther are distorted, warped or broken.
Check the l u g grooves i n the clutch piston retainer.
The steel plates should slide freely i n t h e slots. Re-
place the piston retainer i f the grooves a r e w o r n or
damaged. Also check action o f the check b a l l i n the
piston retainer. T h e b a l l m u s t move freely and not
stick.
Replace t h e retainer b u s h i n g i f w o r n , scored, o r
there is any doubt about b u s h i n g condition.
Inspect t h e piston and retainer seal surfaces for
nicks or scratches. M i n o r scratches can be removed
PISTON SEAL
(INNER)
PISTON
CLUTCH
PLATES
SPRING RETAINER
SNAP RING
(WAVED)
PISTON
RETAINER ASSEMBLY
PISTON SEAL
(OUTER)
DRIVING DISCS
PRESSURE PLATE
RH289
Fig. 21 Front Clutch Components—A-727