2001 DODGE RAM Service Repair Manual

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Page 2009 of 2889

DODGE RAM 2001 Service Repair Manual Fig. 84 Front Clutch Components
1 - SNAP-RING (WAVE) 7 - SEAL
2 - REACTION PLATE 8 - PISTON
3 - CLUTCH DISC 9 - SPRING
4 - CLUTCH PLATE 10 - SNAP-RING
5 - SEAL 11 - SPRING RETAINER
6 - CLUTCH RETAINER

Page 2010 of 2889

DODGE RAM 2001 Service Repair Manual Fig. 85 Front Clutch Components - Typical
1 - SNAP-RING (WAVE) 7 - SEAL
2 - REACTION PLATE 8 - PISTON
3 - CLUTCH DISC 9 - SPRING
4 - CLUTCH PLATE 10 - SNAP-RING
5 - SEAL 11 - SPRING RETAINER
6 - CLUTC

Page 2011 of 2889

DODGE RAM 2001 Service Repair Manual (2) Compress clutch piston spring with Compressor
Tool C-3575-A (Fig. 86). Be sure legs of tool are
seated squarely on spring retainer before compress-
ing spring.
(3) Remove retainer snap-ring and re

(2) Compress clutch piston spring with Compressor
Tool C-3575-A (Fig. 86). Be sure legs of tool are
seated squarely on spring retainer before compress-
ing spring.
(3) Remove retainer snap-ring and remove com-
pressor tool.
(4) Remove spring retainer and clutch spring. Note
position of retainer on spring for assembly reference.
(5) Remove clutch piston from clutch retainer.
Remove piston by rotating it up and out of retainer.
(6) Remove seals from clutch retainer piston bore
and clutch retainer hub. Discard both seals as they
are not reusable.
INSPECTION
Inspect the front clutch components. Replace the
clutch discs if warped, worn, scored, burned or
charred, or if the facing is flaking off. Replace the
steel plates if heavily scored, warped, or broken. Be
sure the driving lugs on the plates are in good con-
dition. The lugs must not be bent, cracked or dam-
aged in any way.
Replace the clutch spring and spring retainer if
either is distorted, warped or broken.
Check the lug grooves in the clutch retainer. The
steel plates should slide freely in the slots. Replace
the retainer if the grooves are worn or damaged.
Check action of the check ball in the retainer (Fig.
87). The ball must move freely and not stick.NOTE: Inspect the clutch retainer bushings care-
fully (Fig. 88). The retainer bushings are NOT ser-
viceable. It will be necessary to replace the retainer
if either bushing is scored, or worn.
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.
ASSEMBLY
NOTE: The 44RE transmission uses five (5) plates
and discs for the front clutch.
(1) Soak clutch discs in transmission fluid while
assembling other clutch parts.
Fig. 86 Compressing Front Clutch Piston Spring
1 - FRONT CLUTCH SPRING
2 - COMPRESSOR TOOL C-3575-A
3 - RETAINER SNAP-RING
4 - SPRING RETAINER
Fig. 87 Front Clutch Piston Retainer Check Ball
Location
1 - RETAINER CHECK BALL
Fig. 88 Retainer Bushing Location/Inspection
1 - FRONT CLUTCH RETAINER BUSHINGS (NON-
SERVICEABLE)
21 - 376 AUTOMATIC TRANSMISSION - 44REBR/BE
FRONT CLUTCH (Continued)

Page 2012 of 2889

DODGE RAM 2001 Service Repair Manual (2) Install new seals in the clutch retainer lower
groove and on the outer diameter of the retainer hub.
Be sure lip of each seal faces interior of clutch
retainer.
(3) Lubricate lips of the retainer

(2) Install new seals in the clutch retainer lower
groove and on the outer diameter of the retainer hub.
Be sure lip of each seal faces interior of clutch
retainer.
(3) Lubricate lips of the retainer seals with liberal
quantity of MopartDoor Ease. Then lubricate
retainer hub, bore, and piston with light coat of
transmission fluid.
(4) Install clutch piston in retainer (Fig. 89). Use
twisting motion to seat piston in bottom of retainer.
CAUTION: Never push the clutch piston straight in.
This will fold the seals over causing leakage and
clutch slip.
(5) Position spring in clutch piston (Fig. 90).
(6) Position spring retainer on top of piston spring.
Make sure retainer is properly installed (Fig. 85).(7) Compress piston spring and retainer with Com-
pressor Tool C-3575-A (Fig. 86). Then install new
snap ring to secure spring retainer and spring.
(8) Install clutch plates and discs. Install steel
plate then disc until all plates and discs are
installed. The front clutch uses 5 clutch discs and
plates in a 44RE transmission.
(9) Install pressure plate and waved snap-ring.
Clearance should be 1.70 to 3.40 mm (0.067 to
0.134 in.). If clearance is incorrect, clutch discs,
plates, pressure plates and snap ring may have to be
changed.
FRONT SERVO
DESCRIPTION
The kickdown servo (Fig. 91) consists of a two-land
piston with an inner piston, a piston rod and guide,
and a return spring. The dual-land piston uses seal
rings on its outer diameters and an O-ring for the
inner piston.
OPERATION
The application of the piston is accomplished by
applying pressure between the two lands of the pis-
ton. The pressure acts against the larger lower land
to push the piston downward, allowing the piston rod
to extend though its guide against the apply lever.
Release of the servo at the 2-3 upshift is accom-
plished by a combination of spring and line pressure,
acting on the bottom of the larger land of the piston.
Fig. 89 Front Clutch Piston Installation
1 - CLUTCH PISTON
2 - FRONT CLUTCH RETAINER
Fig. 90 Clutch Piston Spring Installation
1 - RETAINER
2 - CLUTCH SPRING
3 - PISTON
Fig. 91 Front Servo
1 - VENT
2 -PISTON ROD
3 - PISTON
4 - SPRING
5 - RELEASE PRESSURE
6 - APPLY PRESSURE
BR/BEAUTOMATIC TRANSMISSION - 44RE 21 - 377
FRONT CLUTCH (Continued)

Page 2013 of 2889

DODGE RAM 2001 Service Repair Manual The small piston is used to cushion the application of
the band by bleeding oil through a small orifice in
the larger piston. The release timing of the kickdown
servo is very important to obtain a smo

Page 2014 of 2889

DODGE RAM 2001 Service Repair Manual Replace any servo component if doubt exists about
condition. Do not reuse suspect parts.
ASSEMBLY
Clean and inspect front servo components.
(1) Lubricate new o-ring and seal rings with petro-
leum jel

Replace any servo component if doubt exists about
condition. Do not reuse suspect parts.
ASSEMBLY
Clean and inspect front servo components.
(1) Lubricate new o-ring and seal rings with petro-
leum jelly and install them on piston, guide and rod.
(2) Install rod in piston. Install spring and washer
on rod. Compress spring and install snap-ring (Fig.
95).
OIL PUMP
DESCRIPTION
The oil pump (Fig. 96) is located in the pump hous-
ing inside the bell housing of the transmission case.
The oil pump consists of an inner and outer gear
(Fig. 97), a housing, and a cover that also serves as
the reaction shaft support.
OPERATION
As the torque converter rotates, the converter hub
rotates the inner and outer gears. As the gears
rotate, the clearance between the gear teeth
increases in the crescent area, and creates a suction
at the inlet side of the pump. This suction draws
fluid through the pump inlet from the oil pan. As the
clearance between the gear teeth in the crescent areadecreases, it forces pressurized fluid into the pump
outlet and to the valve body.
STANDARD PROCEDURE - OIL PUMP VOLUME
CHECK
Measuring the oil pump output volume will deter-
mine if sufficient oil flow to the transmission oil
cooler exists, and whether or not an internal trans-
mission failure is present.
Verify that the transmission fluid is at the proper
level. Refer to the Fluid Level Check procedure in
this section. If necessary, fill the transmission to the
proper level with MopartATF +4, type 9602, Auto-
matic Transmission Fluid.
(1) Disconnect theTo coolerline at the cooler
inlet and place a collecting container under the dis-
connected line.
Fig. 95 Front Servo
1 - PISTON RINGS
2 - O-RING
3 - SNAP-RING
4 - SEAL RING
5 - PISTON ROD GUIDE
6 - SNAP-RING
7 - SERVO SPRING
8 - PISTON ROD
9 - SERVO PISTON
Fig. 96 Oil Pump and Reaction Shaft Support
1 - REACTION SHAFT SUPPORT
2 - PUMP
Fig. 97 Pump Gear Removal
1 - REACTION SHAFT SUPPORT
2 - INNER GEAR
3 - OUTER GEAR
BR/BEAUTOMATIC TRANSMISSION - 44RE 21 - 379
FRONT SERVO (Continued)

Page 2015 of 2889

DODGE RAM 2001 Service Repair Manual CAUTION: With the fluid set at the proper level,
fluid collection should not exceed (1) quart or inter-
nal damage to the transmission may occur.
(2) Run the engineat curb idle speed, with the
shift s

Page 2016 of 2889

DODGE RAM 2001 Service Repair Manual (7) Remove front clutch thrust washer from sup-
port hub (Fig. 102).
OIL PUMP BUSHING REPLACEMENT
(1) Remove pump bushing with Tool Handle
C-4171 and Bushing Remover SP-3551 from Tool Set
C-3887-J (Fi

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