2006 DODGE RAM SRT-10 Service Repair Manual

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Page 3937 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual CLUTCH-REAR
DESCRIPTION
The rear clutch assembly is composed of the rear clutch retainer (1), pressure plate (8), clutch plates (12), driving
discs (9), piston (15), Belleville spring (7), and snap-ri

CLUTCH-REAR
DESCRIPTION
The rear clutch assembly is composed of the rear clutch retainer (1), pressure plate (8), clutch plates (12), driving
discs (9), piston (15), Belleville spring (7), and snap-rings (10). The Belleville spring acts as a lever to multiply the
force applied on to it by the apply piston. The increased apply force on the rear clutch pack, in comparison to the
front clutch pack, is needed to hold against the greater torque load imposed onto the rear pack. The rear clutch is
directly behind the front clutch and is considered a driving component.
NOTE: The number of discs and plates may vary with each engine and vehicle combination.
OPERATION
To apply the clutch, pressure is applied between the clutch retainer and piston. The fluid pressure is provided by the
oil pump, transferred through the control valves and passageways, and enters the clutch through the hub of the
reaction shaft support. With pressure applied between the clutch retainer and piston, the piston moves away from
the clutch retainer and compresses the clutch pack. This action applies the clutch pack, allowing torque to flow
through the input shaft into the driving discs, and into the clutch plates and pressure plate that are lugged to the
clutch retainer. The waved spring is used to cushion the application of theclutch pack. The snap-ring is selective
and used to adjust clutch pack clearance.
When pressure is released from the piston, the spring returns the piston toits fully released position and disen-
gages the clutch. The release spring also helps to cushion the applicationof the clutch assembly. When the clutch
is in the process of being released by the release spring, fluid flows through a vent and one-way ball-check-valve
located in the piston. The check-valve is needed to eliminate the possibility of plate drag caused by centrifugal force
acting on the residual fluid trapped in the clutch piston retainer.
Rear Clutch Components
1 - REAR CLUTCH RETAINER 11 - REACTION PLATE
2 - TORLON™ SEAL RINGS 12 - CLUTCH PLATES
3 - INPUT SHAFT 13 - WAVE SPRING
4 - PISTON RETAINER 14 - SPACER RING
5 - OUTPUT SHAFT THRUST WASHER 15 - PISTON
6 - INNER PISTON SEAL 16 - OUTER PISTON SEAL
7 - PISTON SPRING 17 - REAR SEAL RING
8 - PRESSURE PLATE 18 - FIBER THRUST WASHER
9 - CLUTCH DISCS 19 - RETAINING RING
10 - SNAP-RING (SELECTIVE)

Page 3938 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual DISASSEMBLY
1. Remove fiber thrust washer (18) from forward side of clutch retainer (1).
2. Remove input shaft front and rear seal rings (2).
3. Remove selective clutch pack snap-ring (10).
4. Remove

Page 3939 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INSPECTION
Replace the clutch discs if warped, worn, scored, burned/charred, the lugs are damaged, or if the facing is flaking
off. Replace the top and bottom pressure plates if scored, warped, or cra

INSPECTION
Replace the clutch discs if warped, worn, scored, burned/charred, the lugs are damaged, or if the facing is flaking
off. Replace the top and bottom pressure plates if scored, warped, or cracked. Be sure the driving lugs on the
pressure and clutch plates are also in good condition. The lugs must not be bent, cracked or damaged in any way.
Replace the piston spring and wave spring if either part is distorted, warped or broken.
Check the lug grooves in the clutch retainer. The clutch and pressure plates should slide freely in the slots. Replace
the retainer if the grooves are worn or damaged. Also check action of the check balls in the retainer and piston.
Each check ball must move freely and not stick.
Replace the retainer bushing if worn, scored, or doubt exists about bushing condition.
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 scored.
Check condition of the fiber thrust washer and metal output shaft thrust washer. Replace either washer if worn or
damaged.
Check condition of the seal rings on the input shaft and clutch retainer hub. Replace the seal rings only if worn,
distorted, or damaged. The input shaft front seal ring is teflon with chamfered ends. The rear ring is metal with
interlocking ends.
Check the input shaft for wear, or damage. Replace the shaft if worn, scoredor damaged in any way.
ASSEMBLY
1. Soak clutch discs in transmission fluid while
assembling other clutch parts.
2. Install new seal rings on clutch retainer hub and
input shaft if necessary.
a. Be sure clutch hub seal ring is fully seated in
groove and is not twisted.
3. Lubricate splined end of input shaft and clutch
retainer with transmission fluid. Then partially press
input shaft (1) into retainer (2). Use a suitably sized
press tool to support retainer as close to input shaft
as possible.
4. Install input shaft retaining ring.
5. Press the input shaft the remainder of the way into
the clutch retainer.

Page 3940 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 6. Install new seals (6, 16) on clutch piston (15). Be sure lip of each seal faces interior of clutch retainer.
7. Lubricate lip of piston seals with generous quantity of Mopar
Door Ease. Then lubrica

Page 3941 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 15. Using a suitable gauge bar (6) and dial indicator
(1), measure clutch pack clearance.
a. Position gauge bar across the clutch drum (5)
with the dial indicator pointer on the pressure
plate (2).
b.

Page 3942 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SERVO-REAR
DESCRIPTION
The rear (low/reverse) servo consists of a single stage or diameter pistonand a spring loaded plug. The spring is
used to cushion the application of the rear (low/reverse) band.

Page 3943 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual MECHANISM-SHIFT
DESCRIPTION
The gear shift mechanism provides six shift positions which are:
PA R K ( P )
REVERSE (R)
NEUTRAL (N)
DRIVE (D)
Manual SECOND (2)
Manual LOW (1)
OPERATION
Manual LOW (1) ra

Page 3944 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SENSOR-SPEED
DESCRIPTION
The speed sensor (1) is located in the overdrive gear
case. The sensor is positioned over the park gear and
monitors transmission output shaft rotating speed.
OPERATION
Speed

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