2001 DODGE RAM Service Repair Manual

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Page 1857 of 2889

DODGE RAM 2001 Service Repair Manual GEARTRAIN
(1) Remove direct clutch hub and spring (Fig. 138).
(2) Remove sun gear and spring plate. Then
remove planetary thrust bearing and planetary gear
(Fig. 139).(3)
Remove overrunning clutch ass

Page 1858 of 2889

DODGE RAM 2001 Service Repair Manual (7) Remove direct clutch drum rear retaining ring
(Fig. 142).
(8) Remove direct clutch drum outer retaining ring
(Fig. 143).
(9) Mark annulus gear and output shaft for assem-
bly alignment reference (

Page 1859 of 2889

DODGE RAM 2001 Service Repair Manual GEAR CASE AND PARK LOCK
(1) Remove locating ring from gear case.
(2) Remove park pawl shaft retaining bolt and
remove shaft, pawl and spring.
(3) Remove reaction plug snap-ring and remove
reaction plu

GEAR CASE AND PARK LOCK
(1) Remove locating ring from gear case.
(2) Remove park pawl shaft retaining bolt and
remove shaft, pawl and spring.
(3) Remove reaction plug snap-ring and remove
reaction plug.
(4) Remove output shaft seal.
CLEANING
Clean the geartrain and case components with sol-
vent. Dry all parts except the bearings with com-
pressed air. Allow bearings to air dry.
Do not use shop towels for wiping parts dry unless
the towels are made from a lint-free material. A suf-
ficient quantity of lint (from shop towels, cloths, rags,
etc.) could plug the transmission filter and fluid pas-
sages.
Discard the old case gasket and seals. Do not
attempt to salvage these parts. They are not reus-
able. Replace any of the overdrive unit snap-rings if
distorted or damaged.
Minor nicks or scratches on components can be
smoothed with crocus cloth. However, do not attempt
to reduce severe scoring on any components with
abrasive materials. Replace severely scored compo-
nents; do not try to salvage them.
INSPECTION
Check condition of the park lock components and
the overdrive case.
Check the bushings in the overdrive case. Replace
the bushings if severely scored or worn. Also replace
the case seal if loose, distorted, or damaged.
Examine the overdrive and direct clutch discs and
plates. Replace the discs if the facing is worn,
severely scored, or burned and flaking off. Replace
the clutch plates if worn, heavily scored, or cracked.
Check the lugs on the clutch plates for wear. The
plates should slide freely in the drum. Replace the
plates or drum if binding occurs.
Check condition of the annulus gear, direct clutch
hub, clutch drum and clutch spring. Replace the gear,
hub and drum if worn or damaged. Replace the
spring if collapsed, distorted, or cracked.
Be sure the splines and lugs on the gear, drum and
hub are in good condition. The clutch plates and
discs should slide freely in these components.
Inspect the thrust bearings and spring plate.
Replace the plate if worn or scored. Replace the bear-
ings if rough, noisy, brinnelled, or worn.
Inspect the planetary gear assembly and the sun
gear and bushings. If either the sun gear or the
bushings are damaged, replace the gear and bush-
ings as an assembly. The gear and bushings are not
serviced separately.
The planetary carrier and pinions must be in good
condition. Also be sure the pinion pins are secure and
in good condition. Replace the carrier if worn or dam-
aged.
Inspect the overrunning clutch and race. The race
surface should be smooth and free of scores. Replace
the overrunning clutch assembly or the race if either
assembly is worn or damaged in any way.
Replace the shaft pilot bushing and inner bushing
if damaged. Replace either shaft bearing if rough or
noisy. Replace the bearing snap-rings if distorted or
cracked.
Check the machined surfaces on the output shaft.
These surfaces should clean and smooth. Very minor
nicks or scratches can be smoothed with crocus cloth.
Replace the shaft if worn, scored or damaged in any
way.
Inspect the output shaft bushings. The small bush-
ing is the intermediate shaft pilot bushing. The large
bushing is the overrunning clutch hub bushing.
Replace either bushing if scored, pitted, cracked, or
worn.
Fig. 146 Annulus Gear Removal
1 - OUTPUT SHAFT
2 - ANNULUS GEAR
21 - 224 AUTOMATIC TRANSMISSION - 42REBR/BE
OVERDRIVE UNIT (Continued)

Page 1860 of 2889

DODGE RAM 2001 Service Repair Manual ASSEMBLY
GEARTRAIN AND DIRECT CLUTCH
(1) Soak direct clutch and overdrive clutch discs in
MopartATF +4, type 9602, transmission fluid. Allow
discs to soak for 10-20 minutes.
(2) Install new pilot bush

Page 1861 of 2889

DODGE RAM 2001 Service Repair Manual (8) Install overrunning clutch on hub (Fig. 152).
Note that clutch only fits one-way. Shoulder on clutch
should seat in small recess at edge of hub.
(9) Install thrust bearing on overrunning clutch
hu

Page 1862 of 2889

DODGE RAM 2001 Service Repair Manual (13) Install planetary thrust bearing on sun gear
(Fig. 155). Slide bearing onto gear and seat it against
spring plate as shown. Bearing fits one-way only. If it
does not seat squarely against spring

Page 1863 of 2889

DODGE RAM 2001 Service Repair Manual NOTE: The 42RE transmission has 6 direct clutch
discs and 5 clutch plates.
(18) Assemble and install direct clutch pack on
hub as follows:
(a) Assemble clutch pack components (Fig. 159).
(b) Install d

Page 1864 of 2889

DODGE RAM 2001 Service Repair Manual (19) Install clutch hub and clutch pack on direct
clutch spring (Fig. 162). Be sure hub is started on
sun gear splines before proceeding.WARNING: THE NEXT STEP IN GEARTRAIN
ASSEMBLY INVOLVES COMPRESSI

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