DODGE RAM SRT-10 2006 Service Repair Manual

d. Push overdrive piston into position in retainer.
e. Verify that the locating lugs entered the lug bores in the retainer.
6. Install intermediate shaft spacer on intermediate shaft.
7. Install overdrive piston thrust plate on overdrive piston.
8. Install overdrive piston thrust bearing on overdrive piston.
9. Install transmission speed sensorand o-ring seal in overdrive case.
INSTALLATION
1. Be sure overdrive unit Alignment Tool 6227-2 is
fully seated before moving unit. If tool is not seated
and gear splines rotate out of alignment, overdrive
unit will have to be disassembled in order to realign
splines.
2. If overdrive piston retainer was not removed during
service and original case gasket is no longer reus-
able, prepare new gasket by trimming it.
3. Cut out old case gasket (1) around piston retainer
with razor knife (2).
4. Use old gasket as template and trim new gasket to
fit.
5. Position new gasket over piston retainer and on
transmission case. Use petroleum jelly to hold gas-
ket in place if necessary. Do not use any type of
sealer to secure gasket. Use petroleum jelly only.
6. Install selective spacer (1) on intermediate shaft
(3), if removed. Spacer goes in groove just rear-
ward of shaft rear splines.
7. Install thrust bearing in overdrive unit sliding hub. Use petroleum jelly to hold bearing in position.
CAUTION: Be sure the shoulder on the inside diameter of the bearing is facingforward.
8. Verify that splines in overdrive planetary gear and overrunning clutchhub are aligned with Alignment Tool 6227-2.
Overdrive unit cannot be installed if splines are not aligned. If splines have rotated out of alignment, unit will
have to be disassembled to realign splines.
9. Carefully slide Alignment Tool 6227-2 out of overdrive planetary gear and overrunning clutch splines.
10. Raise overdrive unit and carefully slide it straight onto intermediate shaft. Insert park rod into park lock reaction
plug at same time. Avoid tilting overdrive during installation as this could cause planetary gear and overrunning
clutch splines to rotate out of alignment. If this occurs, it will be necessary to remove and disassemble overdrive
unit to realign splines.
11. Work overdrive unit forward on intermediate shaft until seated against transmission case.
12. Install bolts attaching overdrive unit to transmission unit. Tightenbolts in diagonal pattern to 34 Nꞏm (25 ft-lbs).
13. Connect the transmission speed sensor and overdrive wiring connectors.
14. Install the transfer case, if equipped. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - INSTAL-
LATION)

15. Align and install rear propeller shaft, if necessary. (Refer to 3 - DIFFERENTIAL & DRIVELINE/PROPELLER
SHAFT/PROPELLER SHAFT - INSTALLATION)

RETAINER-OVERRUNNING CLUTCH CAM/OVERDRIVE PISTON
DESCRIPTION
The overrunning clutch consists of an inner race (5),
an outer race (or cam) (1), rollers (2) and springs (3),
and the spring retainer (4). The number of rollers and
springs depends on what transmission and which
overrunning clutch is being dealt with.
OPERATION
Astheinnerraceisrotatedinaclockwisedirection(asviewedfromthefront of the transmission), the race causes
the rollers to roll toward the springs, causing them to compress against their retainer. The compression of the
springs increases the clearance between the rollers and cam. This increased clearance between the rollers and cam
results in a freewheeling condition. When the inner race attempts to rotate counterclockwise, the action causes the
rollers to roll in the same direction as the race, aided by the pushing of thesprings. As the rollers try to move in the
same direction as the inner race, they are wedged between the inner and outer races due to the design of the cam.
In this condition, the clutch is locked and acts as one unit.
DISASSEMBLY
1. Remove the overdrive piston (1).
2. Remove the overdrive piston retainer bolts.
3. Remove overdrive piston retainer (4).
4. Remove case gasket.

5. Tap old cam out of case with pin punch (1). Insert
punch through bolt holes (2) at rear of case. Alter-
nate position of punch to avoid cocking cam during
removal.
6. Clean clutch cam bore and case. Be sure to
remove all chips/shavings generated during cam
removal.
CLEANING
Clean the overrunning clutch assembly, clutch cam, low-reverse drum, andoverdrive piston retainer in solvent. Dry
them with compressed air after cleaning.
INSPECTION
Inspect condition of each clutch part after cleaning. Replace the overrunning clutch roller and spring assembly if any
rollers or springs are worn or damaged, or if the roller cage is distorted, or damaged. Replace the cam if worn,
cracked or damaged.
Replace the low-reverse drum if the clutch race, roller surface or inside diameter is scored, worn or damaged.Do
not remove the clutch race from the low-reverse drum under any circumstances. Replace the drum and race
as an assembly if either component is damaged.
Examine the overdrive piston retainer carefully for wear, cracks, scoring or other damage. Be sure the retainer hub
is a snug fit in the case and drum. Replace the retainer if worn or damaged.
ASSEMBLY
1. Temporarily install overdrive piston retainer in case.
Use 3-4 bolts to secure retainer.
2. Align and start new clutch cam (2) in the transmis-
sion case. Be sure serrations on cam and in case
(1) are aligned. Then tap cam into case just
enough to hold it in place.
3. Verify that cam is correctly positioned before pro-
ceeding any further. Narrow ends of cam ramps
should be to left when cam is viewed from front
end of case.

4. Insert Adapter Tool SP-5124 (2) from Installer/Re-
mover C-3863-A into piston retainer (1).
5. Assemble Puller Bolt SP-3701 (1) and Press Plate
SP-3583-A (2).
6. Install assembled puller plate and bolt (1). Insert
bolt through cam, case and adapter tool. Be sure
plate is seated squarely on cam (2).

7. Hold puller plate and bolt in place and install puller
nut SP-3701 (4) on puller bolt.
8. Tighten puller nut (2) to press clutch cam into case.
Be sure cam is pressed into case evenly and does
not become cocked.
9. Remove clutch cam installer tools.
10. Stake case in 14 places around clutch cam to
help secure cam in case. Use blunt punch or
chisel to stake case.
11. Remove piston retainer from case. Cover retainer
with plastic sheeting, or paper to keep it dust free.
12. Clean case and cam thoroughly. Be sure any
chips/shavings generated during cam installation
are removed from case.
13. Install new gasket (1) at rear of transmission
case. Use petroleum jelly to hold gasket in place.
Be sure to align governor feed holes in gasket
with feed passages in case (2). Also install gasket
before overdrive piston retainer. Center hole in
gasket is smaller than retainer and cannot be
installed over retainer.

14. Position overdrive piston retainer (1) on transmis-
sion case and align bolt holes in retainer (1), gas-
ket (2), and case. Then install and tighten retainer
bolts (3)to 17 Nꞏm (13 ft. lbs.) torque.
15. Install new seals on overdrive piston.
16. Stand transmission case upright on bellhousing.
17. Position Guide Ring 8114-1 on outer edge of
overdrive piston retainer.
18. Position Seal Guide 8114-3 on inner edge of over-
drive piston retainer.
19. Install overdrive piston in overdrive piston retainer
by: aligning locating lugs on overdrive piston to
the two mating holes in retainer.
a. Aligning locating lugs on overdrive piston to the
two mating holes in retainer.
b. Lubricate overdrive piston seals with Mopar
Door Ease, or equivalent.
c. Install piston over Seal Guide 8114-3 and
inside Guide Ring 8114-1.
d. Push overdrive piston into position in retainer.
e. Verify that the locating lugs entered the lug bores in the retainer.

SHAFT-PLANETARY GEARTRAIN/OUTPUT
DESCRIPTION
The planetary gearsets are designated as the front,
rear, and overdrive planetary gear assemblies and
located in such order. A simple planetary gearset con-
sists of three main members:
The sun gear (2) which is at the center of the
system.
The planet carrier (3) with planet pinion gears (4)
which are free to rotate on their own shafts and
are in mesh with the sun gear.
The annulus gear (1), which rotates around and
is in mesh with the planet pinion gears.
NOTE: The number of pinion gears does not affect
the gear ratio, only the duty rating.
OPERATION
With any given planetary gearset, several conditions must be met for powerto be able to flow:
One member must be held.
Another member must be driven or used as an input.
The third member may be used as an output for power flow.
For direct drive to occur, two gear members in the front planetary gearset must be driven.
NOTE: Gear ratios are dependent on the number of teeth on the annulus and sungears.
DISASSEMBLY
1. Remove planetary snap-ring (1) from intermediate
shaft. Discard snap-ring as it is not reusable.

2. Remove front planetary gear (3) and front annulus
gear (2) as assembly.
3. Remove front planetary gear (1) and thrust washer
(2) from front annulus gear (3). Note thrust washer
position for assembly reference.
4. Remove tabbed thrust washer (2) from driving shell
(1). Note washer position for assembly reference.

5. Remove sun gear (3) and driving shell (2) as
assembly.
6. Remove tabbed thrust washer (2) from rear plane-
tary sun gear (1). Note washer position on gear for
assembly reference.
7. Remove rear planetary gear (3) and rear annulus
gear (2) from intermediate shaft (1).