2002 DODGE RAM Service Repair Manual

Page 1617 of 2255

DODGE RAM 2002  Service Repair Manual FRONT SERVO
DESCRIPTION
The kickdown servo (Fig. 100) 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 oute

Page 1618 of 2255

DODGE RAM 2002  Service Repair Manual Fig. 101 Front Servo
1 - PISTON RINGS
2 - SERVO PISTON
3 - O-RING
4 - SNAP-RING
5 - PISTON ROD GUIDE
6 - SEAL RING
7 - SNAP-RING
8 - SERVO SPRING
9 - WASHER
10 - SPRING
11 - PISTON ROD
Fig. 102 Front

Page 1619 of 2255

DODGE RAM 2002  Service Repair Manual OIL PUMP
DESCRIPTION
The oil pump (Fig. 105) is located in the pump
housing inside the bell housing of the transmission
case. The oil pump consists of an inner and outer
gear, a housing, and a reactio

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DODGE RAM 2002  Service Repair Manual (2) Run the engineat curb idle speed, with the
shift selector in neutral.
(3) If one quart of transmission fluid is collected in
the container in 20 seconds or less, oil pump flow vol-
ume is within a

Page 1621 of 2255

DODGE RAM 2002  Service Repair Manual CLEANING
Clean pump and support components with solvent
and dry them with compressed air.
INSPECTION
Check condition of the seal rings and thrust
washer on the reaction shaft support. The seal rings
d

Page 1622 of 2255

DODGE RAM 2002  Service Repair Manual Clearance between outer gear and pump housing
should be 0.10 to 0.19 mm (0.004 to 0.0075 in.). Mea-
sure clearance with an appropriate feeler gauge.
ASSEMBLY
OIL PUMP BUSHING
(1) Assemble Tool Handle

Page 1623 of 2255

DODGE RAM 2002  Service Repair Manual OIL PUMP BODY
(1) Lubricate pump gears with transmission fluid
and install them in pump body.(2) Install thrust washer on reaction shaft support
hub. Lubricate washer with petroleum jelly or trans-
mi

Page 1624 of 2255

DODGE RAM 2002  Service Repair Manual (7) Install new o-ring on pump body. Lubricate oil
seal and o-ring with petroleum jelly.
(8) Cover pump assembly to prevent dust entry
and set aside for assembly installation.
OUTPUT SHAFT FRONT
BEARI