Dodge Dakota (R1). Manual — part 263
TRANSMISSION
TABLE OF CONTENTS
page
page
TRANS COOLER
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
STANDARD PROCEDURE . . . . . . . . . . . . . . . . . . 64
FLUSHING COOLERS AND TUBES . . . . . . . . . 64
TRANS COOLER
DESCRIPTION
CAUTION: On in-radiator type oil coolers, if trans-
mission oil cooler is leaking, engine coolant may
enter cooler, or transmission oil may enter engine
cooling system. Both engine cooling system and
transmission oil circuit should be drained, flushed,
and inspected.
There are two types of transmission oil coolers
used. One type of cooler is the in-radiator type or oil
to coolant type (Fig. 1). This type oil cooler is not ser-
viceable. The second type used is a remote type aux-
iliary oil cooler or oil to air cooler (Fig. 2). The oil to
air type cooler is located in front of the radiator, and
is serviceable.
STANDARD PROCEDURE - FLUSHING
COOLERS AND TUBES
When a transmission failure has contaminated the
fluid, the oil cooler(s) must be flushed. The torque
converter must also be replaced. This will insure that
metal particles or sludged oil are not later trans-
ferred back into the reconditioned (or replaced) trans-
mission.
The only recommended procedure for flushing cool-
ers and lines is to use Tool 6906-B Cooler Flusher.
WARNING:
WEAR PROTECTIVE EYEWEAR THAT MEETS THE
REQUIREMENTS OF OSHA AND ANSI Z87.1–1968.
WEAR STANDARD INDUSTRIAL RUBBER GLOVES.
KEEP LIGHTED CIGARETTES, SPARKS, FLAMES,
AND OTHER IGNITION SOURCES AWAY FROM THE
AREA TO PREVENT THE IGNITION OF COMBUSTI-
BLE LIQUIDS AND GASES. KEEP A CLASS (B) FIRE
EXTINGUISHER
IN
THE
AREA
WHERE
THE
FLUSHER WILL BE USED.
KEEP THE AREA WELL VENTILATED.
DO NOT LET FLUSHING SOLVENT COME IN CON-
TACT WITH YOUR EYES OR SKIN: IF EYE CONTAM-
INATION OCCURS, FLUSH EYES WITH WATER FOR
15 TO 20 SECONDS. REMOVE CONTAMINATED
CLOTHING AND WASH AFFECTED SKIN WITH
SOAP AND WATER. SEEK MEDICAL ATTENTION.
Fig. 1 Oil Flow to Cooler - Top View (Typical)
1 - TRANSMISSION OIL COOLER
2 - AUTOMATIC TRANSMISSION
3 - RETURN LINE
4 - PRESSURE LINE
Fig. 2 Auxiliary Transmission Oil Cooler - Typical
1 - RADIATOR
2 - A/C CONDENSER (IF EQUIPPED)
3 - TRANSMISSION AUXILIARY OIL COOLER
7 - 64
TRANSMISSION
AN
(1) Remove cover plate filler plug on Tool 6906-B.
Fill reservoir 1/2 to 3/4 full of fresh flushing solution.
Flushing solvents are petroleum based solutions gen-
erally used to clean automatic transmission compo-
nents. DO NOT use solvents containing acids, water,
gasoline, or any other corrosive liquids.
(2) Reinstall filler plug on Tool 6906-B.
(3) Verify pump power switch is turned OFF. Con-
nect red alligator clip to positive (+) battery post.
Connect black (-) alligator clip to a good ground.
(4) Disconnect the cooler lines at the transmission.
NOTE: When flushing transmission cooler and
lines, ALWAYS reverse flush.
NOTE: The converter drainback valve must be
removed and an appropriate replacement hose
installed to bridge the space between the transmis-
sion cooler line and the cooler fitting. Failure to
remove the drainback valve will prevent reverse
flushing the system. A suitable replacement hose
can be found in the adapter kit supplied with the
flushing tool.
(5) Connect the BLUE pressure line to the OUT-
LET (From) cooler line.
(6) Connect the CLEAR return line to the INLET
(To) cooler line
(7) Turn pump ON for two to three minutes to
flush cooler(s) and lines.
(8) Turn pump OFF.
(9) Disconnect CLEAR suction line from reservoir
at cover plate. Disconnect CLEAR return line at
cover plate, and place it in a drain pan.
(10) Turn pump ON for 30 seconds to purge flush-
ing solution from cooler and lines. Turn pump OFF.
(11) Place CLEAR suction line into a one quart
container of Mopar
t ATF +4, type 9602, Automatic
Transmission Fluid.
(12) Turn pump ON until all transmission fluid is
removed from the one quart container and lines. This
purges any residual cleaning solvent from the trans-
mission cooler and lines. Turn pump OFF.
(13) Disconnect alligator clips from battery. Recon-
nect flusher lines to cover plate, and remove flushing
adapters from cooler lines.
AN
TRANSMISSION
7 - 65
TRANS COOLER (Continued)
COOLING - INTERNATIONAL
TABLE OF CONTENTS
page
page
. . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
. . . . . . . . . . . . . . . . . 60
TRANSMISSION - 5.2L ENGINE . . . . . . . . . . . . . . 68
2.5L VM DIESEL
TABLE OF CONTENTS
page
page
2.5L VM DIESEL
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING . . . . . . . . . . . . . . . . . . 4
COOLING SYSTEM FOR LEAKS . . . . . . . . . . . . 4
PRELIMINARY CHECKS. . . . . . . . . . . . . . . . . . . 6
STANDARD PROCEDURE . . . . . . . . . . . . . . . . . . 11
COOLANT
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
STANDARD PROCEDURE . . . . . . . . . . . . . . . . . . 14
FAN BLADE
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LOW COOLANT LEVEL SWITCH
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
RADIATOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
RADIATOR COOLANT FLOW CHECK
DIAGNOSIS AND TESTING . . . . . . . . . . . . . . . . . 18
RADIATOR COOLANT FLOW . . . . . . . . . . . . . . 18
RADIATOR PRESSURE/VENT CAP
RADIATOR PRESSURE CAP . . . . . . . . . . . . . . 18
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
THERMOSTAT
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . 19
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
VISCOUS FAN DRIVE
VISCOUS FAN DRIVE . . . . . . . . . . . . . . . . . . . 21
WATER PUMP
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
COOLANT TANK
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
R1
COOLING - INTERNATIONAL
7a - 1
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