Dodge RAM TRUCK 1500 1995 Service Manual page 1506

3 R — — — _ _ — 46RH/47RH TRANSMISSION OVERHAUL 21 • 225
Fig. 74 Rear Clutch C
the retainer if the grooves are worn or damaged. Also
cheek action of the retainer check ball. The ball must
move freely and not stick.
Inspect the piston and retainer seal surfaces for
nicks or scratches. Minor scratches can be removed
with crocus cloth. However, replace the piston and/or
retainer if the seal surfaces are seriously damaged.
Check thrust washer condition. Washer thickness
should be 1.55 to 1.60 mm (0.061 to 0.063 in.). Re­
place the washer if worn or damaged.
Check condition of the two seal rings on the input
shaft and the single seal ring on the piston retainer
hub. Replace the seal rings only if severely worn,
cracked, or if they can no longer be hooked together.
INPUT SHAFT REPLACEMENT
If the input shaft must be replaced, first remove
the retaining ring that secures the shaft in the piston
retainer hub. Then press the old shaft out of the re­
tainer with a shop press.
Lubricate the splines of the new shaft with petro­
leum jelly or ATF Plus. Then align the shaft in the
piston retainer and carefully press it into place. Do
not allow the shaft to become cocked during installa­
tion. The retainer can be cracked if misalignment oc­
curs.
Install the shaft retaining ring after pressing the
shaft into place. Be sure the ring is fully seated be­
fore proceeding with clutch assembly.
REAR CLUTCH ASSEMBLY
(1) Soak clutch discs in transmission fluid before
assembly.
•ponents (46RH/47RH)
(2) Install new seals on clutch piston. Lubricate
seals with Mopar Door Ease, or Ru-Glyde to ease in­
stallation. Be sure seal lips face input shaft.
(3) Install clutch piston in piston retainer. Use
twisting motion to seat piston in retainer. Do not
push piston straight in. This could distort seals
causing leakage and clutch slip.
(4) Assemble piston retainer and clutch retainer.
(5) Support clutch retainer with wood blocks, or in­
sert input shaft through predrilled hole in work­
bench. Clutch pack components are easier to install if
retainers are properly supported.
(6) Install piston spring in clutch retainer. Concave
side of spring faces upward and away from clutch
piston. Convex side faces downward toward piston.
(7) Install spacer ring on top of piston spring.
(8) Install wave spring on top of spacer ring. Then
seat wave spring in retainer groove. If wave spring
will not seat properly, spacer ring has probably
shifted over and into wave spring groove in re­
tainer. Use small screwdriver to realign spacer
ring if necessary.
(9) Install inner pressure plate in clutch retainer.
(10) Install first clutch disc followed by steel plate
until all discs and plates are installed. , .
(11) Install reaction plate on top of last clutch disc.
(12) Install selective snap ring to secure clutch
pack in retainer.
(13) Install new seal rings on input shaft if neces­
sary (Fig. 75). Be very sure ring ends are all securely
hooked together before proceeding.
(14) Check clutch pack clearance with feeler gauge
(Fig. 76). Clearance should be 0.64 to 1.14 mm (0.025
to 0.045 in.) on 46RH/47RH.