2001 DODGE RAM Service Repair Manual

brake sensor reset infotainment open hood overheating turn signal

Page 417 of 2889

DODGE RAM 2001 Service Repair Manual (3) Remove the end plug, thermostat and spring
from transmission oil cooler (Fig. 3).
ASSEMBLY
(1) Throughly clean the thermostat bore on the
transmission oil cooler.
(2) Install new spring, thermosta

(3) Remove the end plug, thermostat and spring
from transmission oil cooler (Fig. 3).
ASSEMBLY
(1) Throughly clean the thermostat bore on the
transmission oil cooler.
(2) Install new spring, thermostat, end plug and
snap ring.
(3) Install transmission oil cooler (Refer to 7 -
COOLING/TRANSMISSION/TRANS COOLER -
INSTALLATION).
INSTALLATION
(1) Install the oil cooler assembly to the A-shaped
radiator support bracket using the two upper mount-
ing bolts and mounting straps. Install the bolts but
do not tighten at this time.
(2) Install the radiator support bracket and oil
cooler (as an assembly) to the vehicle.
(3) Install the two lower radiator A-shaped support
bracket bolts. Do not tighten bolts at this time.
(4) Slide and position the oil cooler on the
A-shaped bracket until its lower mounting hole lines
up with the bolt hole on the vehicle body. Tighten the
oil cooler mounting strap bolts to 6 N´m (50 in. lbs.)
torque.
(5) Install the upper radiator A-shaped support
bracket bolt. Tighten all three radiator support
bracket mounting bolts to 11 N´m (95 in. lbs.) torque.
(6) Inspect quick connect fitting for debris and
install the quick-connect fitting on the cooler outler
tube until an audible ªclickº is heard. Pull apart to
verify connection.
(7) Connect battery negative cable.
(8) Start the engine and check all fittings for
leaks.
(9) Check the fluid level in the automatic trans-
mission (Refer to 21 - TRANSMISSION/TRAN-
SAXLE/AUTOMATIC - 42RE/FLUID - STANDARD
PROCEDURE), (Refer to 21 - TRANSMISSION/
TRANSAXLE/AUTOMATIC - 44RE/FLUID - STAN-
DARD PROCEDURE) or (Refer to 21 -
TRANSMISSION/TRANSAXLE/AUTOMATIC -
46RE/FLUID - STANDARD PROCEDURE).
TRANS COOLER - 8.0L
DESCRIPTION
The air-to-oil cooler is located in front of and to the
left side of the radiator (Fig. 4). This cooler is sup-
plied as standard equipment on all models equipped
with an automatic transmission.
OPERATION
The transmission oil is routed through the cooler
where the cooler removes heat from the transmission
fluid, before returning to the transmission.
Fig. 2 Transmission Oil CoolerÐ3.9/5.2/5.9L Engines
1 - UPPER RADIATOR SUPPORT BRACKET BOLT
2 - MOUNTING STRAPS (2)
3 - TRANS. OIL COOLER UPPER MOUNTING BOLTS (2)
4 - TRANS. OIL COOLER LOWER MOUNTING BOLT
5 - LOWER RADIATOR SUPPORT BRACKET BOLTS (2)
6 - TRANSMISSION OIL COOLER
7 - RADIATOR SUPPORT BRACKET
Fig. 3 Transmission Oil Cooler Thermostat
Removal/Installation
1 - THERMOSTAT HOUSING
2 - SPRING
3 - END PLUG
4 - SNAP RING
5 - THERMOSTAT
7 - 82 TRANSMISSIONBR/BE
TRANS COOLER - 3.9L/5.2L/5.9L (Continued)

Page 418 of 2889

DODGE RAM 2001 Service Repair Manual STANDARD PROCEDURE - FLUSHING
COOLERS AND TUBES - WITH RADIATOR
IN-TANK TRANSMISSION OIL COOLER
When a transmission failure has contaminated the
fluid, the oil cooler(s) must be flushed. The torque
co

STANDARD PROCEDURE - FLUSHING
COOLERS AND TUBES - WITH RADIATOR
IN-TANK TRANSMISSION OIL COOLER
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 RUB-
BER 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.
(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 NOTuse 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 MopartATF +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.
STANDARD PROCEDURE - FLUSHING COOLER
AND TUBES - WITHOUT RADIATOR IN-TANK
TRANSMISSION OIL COOLER
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.
(1) Remove cover plate filler plug on Tool 6906B.
Fill reservoir 1/2 to 3/4 full of fresh flushing solution.
Flushing solvents are petroleum based solutions gen-
Fig. 4 Automatic Transmission Oil CoolerÐ8.0L
Engine
1 - RADIATOR SUPPORT
2 - OIL COOLER MOUNTING BOLTS
3 - TRANSMISSION OIL COOLER
4 - TRANSMISSION OIL COOLER LINES
BR/BETRANSMISSION 7 - 83
TRANS COOLER - 8.0L (Continued)

Page 419 of 2889

DODGE RAM 2001 Service Repair Manual erally used to clean automatic transmission compo-
nents.DO NOTuse solvents containing acids, water,
gasoline, or any other corrosive liquids.
(2) Reinstall filler plug on Tool 6906B.
(3) Verify pump

erally used to clean automatic transmission compo-
nents.DO NOTuse solvents containing acids, water,
gasoline, or any other corrosive liquids.
(2) Reinstall filler plug on Tool 6906B.
(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) Remove the transmission oil cooler from the
vehicle. (Refer to 7 - COOLING/TRANSMISSION/
TRANS COOLER - REMOVAL)
(8) Remove the transmission oil cooler thermostat.
(Refer to 7 - COOLING/TRANSMISSION/TRANS
COOLER - DISASSEMBLY)
(9) Re-install the thermostat cover onto the oil
cooler and install the snap-ring.
(10) Re-connect the oil cooler to the transmission
cooler lines.
(11) Turn pump ON for two to three minutes to
flush cooler(s) and lines.
NOTE: This flushes the bypass circuit of the cooler
only.
(12) Turn pump OFF.
(13) Remove the thermostat cover from the oil
cooler.
(14) Install Special Tool Cooler Plug 8414 into the
transmission oil cooler.
(15) Re-install the thermostat cover onto the oil
cooler and install the snap-ring.
(16) Turn pump ON for two to three minutes to
flush cooler(s) and lines.
NOTE: This flushes the main oil cooler core pas-
sages only.
(17) Turn pump OFF.
(18) Remove the thermostat cover from the oil
cooler.(19) Remove Special Tool Cooler Plug 8414 from
the transmission oil cooler.
(20) Install a new thermostat spring, thermostat,
cover, and snap-ring into the transmission oil cooler.
(Refer to 7 - COOLING/TRANSMISSION/TRANS
COOLER - ASSEMBLY)
(21) Install the transmission oil cooler onto the
vehicle. (Refer to 7 - COOLING/TRANSMISSION/
TRANS COOLER - INSTALLATION)
(22) Disconnect CLEAR suction line from reservoir
at cover plate. Disconnect CLEAR return line at
cover plate, and place it in a drain pan.
(23) Turn pump ON for 30 seconds to purge flush-
ing solution from cooler and lines. Turn pump OFF.
(24) Place CLEAR suction line into a one quart
container of MopartATF +4, type 9602, Automatic
Transmission fluid.
(25) 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.
(26) Disconnect alligator clips from battery. Recon-
nect flusher lines to cover plate, and remove flushing
adapters from cooler lines.
REMOVAL
(1) Place a drain pan under the oil cooler lines.
(2) Disconnect the two transmission lines from the
oil cooler by loosening the two worm gear clamps and
pulling the rubber hoses off of the oil cooler tubes
(Fig. 5). Plug all oil cooler lines to prevent oil leak-
age.
(3) Remove three oil cooler-to-radiator support
mounting bolts (Fig. 5).
(4) Remove the oil cooler and line assembly from
the vehicle.
Fig. 5 Transmission Oil CoolerÐ8.0L Engine
1 - RADIATOR SUPPORT
2 - OIL COOLER MOUNTING BOLTS
3 - TRANSMISSION OIL COOLER
4 - TRANSMISSION OIL COOLER LINES
7 - 84 TRANSMISSIONBR/BE
TRANS COOLER - 8.0L (Continued)

Page 420 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
(1) Install the oil cooler and cooler line assembly to
the vehicle.
(2) Install three mounting bolts and tighten to 6
N´m (50 in. lbs.) torque.
(3) Connect the transmission cooling lines

INSTALLATION
(1) Install the oil cooler and cooler line assembly to
the vehicle.
(2) Install three mounting bolts and tighten to 6
N´m (50 in. lbs.) torque.
(3) Connect the transmission cooling lines to the
oil cooler by pushing the rubber hoses onto the oil
cooler tubes. Tighten the worm gear clomps to 2 N´m
(18 in. lbs.)
(4) Start the engine and check all fittings for
leaks.
(5) Check the fluid level in the automatic trans-
mission (Refer to 21 - TRANSMISSION/TRAN-
SAXLE/AUTOMATIC - 47RE/FLUID - STANDARD
PROCEDURE).
TRANS COOLER - 5.9L DIESEL
DESCRIPTION
All diesel models equipped with an automatic
transmission are equipped with both a main water-
to-oil cooler and a separate air-to-oil cooler. Both cool-
ers are supplied as standard equipment on diesel
engine powered models when equipped with an auto-
matic transmission.
The main water-to-oil transmission oil cooler is
mounted to a bracket on the turbocharger side of the
engine (Fig. 6).
The air-to-oil cooler is located in front of and to the
left side of the radiator (Fig. 7).
OPERATION
The transmission oil is routed through the main
cooler first, then the auxiliary cooler where addi-
tional heat is removed from the transmission oil
before returning to the transmission.
STANDARD PROCEDURE - FLUSHING
COOLERS AND TUBES - WITH RADIATOR
IN-TANK TRANSMISSION OIL COOLER
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.
Fig. 6 Transmission Water-To-Oil CoolerÐDiesel
EngineÐTypical
1 - TRANSMISSION WATER-TO-OIL COOLER
Fig. 7 Auxiliary Transmission Oil CoolerÐDiesel
Engine
1 - CHARGE AIR COOLER (INTERCOOLER)
2 - QUICK-CONNECT FITTINGS (2)
3 - MOUNTING NUTS (2)
4 - MOUNTING BOLT
5 - TRANSMISSION OIL COOLER
BR/BETRANSMISSION 7 - 85
TRANS COOLER - 8.0L (Continued)

Page 421 of 2889

DODGE RAM 2001 Service Repair Manual WARNING: WEAR PROTECTIVE EYEWEAR THAT
MEETS THE REQUIREMENTS OF OSHA AND ANSI
Z87.1±1968. WEAR STANDARD INDUSTRIAL RUB-
BER GLOVES.
KEEP LIGHTED CIGARETTES, SPARKS, FLAMES,
AND OTHER IGNITION SOURCES

WARNING: WEAR PROTECTIVE EYEWEAR THAT
MEETS THE REQUIREMENTS OF OSHA AND ANSI
Z87.1±1968. WEAR STANDARD INDUSTRIAL RUB-
BER 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.
(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 NOTuse 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 MopartATF +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.
STANDARD PROCEDURE - FLUSHING COOLER
AND TUBES - WITHOUT RADIATOR IN-TANK
TRANSMISSION OIL COOLER
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.
(1) Remove cover plate filler plug on Tool 6906B.
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 NOTuse solvents containing acids, water,
gasoline, or any other corrosive liquids.
(2) Reinstall filler plug on Tool 6906B.
(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) Remove the transmission oil cooler from the
vehicle. (Refer to 7 - COOLING/TRANSMISSION/
TRANS COOLER - REMOVAL)
(8) Remove the transmission oil cooler thermostat.
(Refer to 7 - COOLING/TRANSMISSION/TRANS
COOLER - DISASSEMBLY)
7 - 86 TRANSMISSIONBR/BE
TRANS COOLER - 5.9L DIESEL (Continued)

Page 422 of 2889

DODGE RAM 2001 Service Repair Manual (9) Re-install the thermostat cover onto the oil
cooler and install the snap-ring.
(10) Re-connect the oil cooler to the transmission
cooler lines.
(11) Turn pump ON for two to three minutes to
flush

(9) Re-install the thermostat cover onto the oil
cooler and install the snap-ring.
(10) Re-connect the oil cooler to the transmission
cooler lines.
(11) Turn pump ON for two to three minutes to
flush cooler(s) and lines.
NOTE: This flushes the bypass circuit of the cooler
only.
(12) Turn pump OFF.
(13) Remove the thermostat cover from the oil
cooler.
(14) Install Special Tool Cooler Plug 8414 into the
transmission oil cooler.
(15) Re-install the thermostat cover onto the oil
cooler and install the snap-ring.
(16) Turn pump ON for two to three minutes to
flush cooler(s) and lines.
NOTE: This flushes the main oil cooler core pas-
sages only.
(17) Turn pump OFF.
(18) Remove the thermostat cover from the oil
cooler.
(19) Remove Special Tool Cooler Plug 8414 from
the transmission oil cooler.
(20) Install a new thermostat spring, thermostat,
cover, and snap-ring into the transmission oil cooler.
(Refer to 7 - COOLING/TRANSMISSION/TRANS
COOLER - ASSEMBLY)
(21) Install the transmission oil cooler onto the
vehicle. (Refer to 7 - COOLING/TRANSMISSION/
TRANS COOLER - INSTALLATION)
(22) Disconnect CLEAR suction line from reservoir
at cover plate. Disconnect CLEAR return line at
cover plate, and place it in a drain pan.
(23) Turn pump ON for 30 seconds to purge flush-
ing solution from cooler and lines. Turn pump OFF.
(24) Place CLEAR suction line into a one quart
container of MopartATF +4, type 9602, Automatic
Transmission fluid.
(25) 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.
(26) Disconnect alligator clips from battery. Recon-
nect flusher lines to cover plate, and remove flushing
adapters from cooler lines.
REMOVALÐAIR TO OIL COOLER
(1) Remove front bumper.
(2) Place a drain pan under the oil cooler.
(3) Raise the vehicle.
(4) Disconnect the oil cooler quick-connect fittings
from the transmission lines.(5) Remove the charge air cooler-to-oil cooler bolt
(Fig. 8).
(6) Remove two mounting nuts.
(7) Remove the oil cooler and line assembly
towards the front of vehicle. Cooler must be rotated
and tilted into position while removing.
REMOVALÐWATER TO OIL COOLER
CAUTION: If a leak should occur in the water-to-oil
cooler mounted to the side of the engine block,
engine coolant may become mixed with transmis-
sion fluid. Transmission fluid may also enter engine
cooling system. Both cooling system and transmis-
sion should be drained and inspected in case of oil
cooler leakage.
(1) Disconnect both battery negative cables.
(2) Remove air cleaner assembly and air cleaner
intake hoses.
(3) Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
(4) Disconnect coolant lines from cooler.
(5) Disconnect transmission oil lines from cooler.
Plug cooler lines to prevent oil leakage.
(6) Remove oil cooler mounting straps (Fig. 9).
Fig. 8 Auxiliary Transmission Oil CoolerÐDiesel
Engine
1 - CHARGE AIR COOLER (INTERCOOLER)
2 - QUICK-CONNECT FITTINGS (2)
3 - MOUNTING NUTS (2)
4 - MOUNTING BOLT
5 - TRANSMISSION OIL COOLER
BR/BETRANSMISSION 7 - 87
TRANS COOLER - 5.9L DIESEL (Continued)

Page 423 of 2889

DODGE RAM 2001 Service Repair Manual (7) Lift oil cooler off of mounting bracket.
(8) If replacing cooler, make sure to transfer con-
verter drain back valve to new cooler.INSTALLATIONÐAIR TO OIL COOLER
(1) Carefully position the oil co

Page 424 of 2889

DODGE RAM 2001 Service Repair Manual AUDIO
TABLE OF CONTENTS
page page
AUDIO
DESCRIPTION............................1
OPERATION.............................2
DIAGNOSIS AND TESTING..................2
AUDIO................................2

AUDIO
TABLE OF CONTENTS
page page
AUDIO
DESCRIPTION............................1
OPERATION.............................2
DIAGNOSIS AND TESTING..................2
AUDIO................................2
SPECIAL TOOLS..........................4
ANTENNA BODY & CABLE
DESCRIPTION............................4
OPERATION.............................4
DIAGNOSIS AND TESTING..................5
ANTENNA.............................5
REMOVAL...............................6
INSTALLATION............................7
RADIO CHOKE RELAY
DESCRIPTION............................8
OPERATION.............................8
DIAGNOSIS AND TESTING..................8
RADIO CHOKE RELAY....................8
REMOVAL...............................9
INSTALLATION............................9
INSTRUMENT PANEL ANTENNA CABLE
REMOVAL...............................9
INSTALLATION...........................10
RADIO
DESCRIPTION...........................10
OPERATION.............................10
DIAGNOSIS AND TESTING.................10
RADIO...............................10
REMOVAL..............................11
INSTALLATION...........................12
RADIO NOISE SUPPRESSION COMPONENTS
DESCRIPTION...........................12
DIAGNOSIS AND TESTING.................12
RADIO NOISE SUPPRESSION
COMPONENTS.........................12ENGINE-TO-BODY GROUND STRAP
REMOVAL..............................13
INSTALLATION...........................13
CAB-TO- BED GROUND STRAP
REMOVAL..............................14
INSTALLATION...........................14
HEATER CORE GROUND STRAP
REMOVAL..............................14
INSTALLATION...........................15
REMOTE SWITCHES
DESCRIPTION...........................15
OPERATION.............................15
DIAGNOSIS AND TESTING.................16
REMOTE SWITCHES....................16
REMOVAL..............................16
INSTALLATION...........................17
SPEAKER
DESCRIPTION...........................17
OPERATION.............................17
DIAGNOSIS AND TESTING.................18
SPEAKER............................18
A-PILLAR TWEETER SPEAKER
REMOVAL..............................19
INSTALLATION...........................19
FRONT DOOR SPEAKER
REMOVAL..............................20
INSTALLATION...........................20
REAR CAB SIDE PANEL SPEAKER
REMOVAL..............................20
INSTALLATION...........................21
REAR DOOR SPEAKER
REMOVAL..............................21
INSTALLATION...........................21
AUDIO
DESCRIPTION
An audio system is standard factory-installed equip-
ment on this model, unless the vehicle is ordered with
an available radio delete option. The standard equip-
ment audio system includes an AM/FM/cassette (RAS
sales code) receiver, and speakers in four locations. Sev-
eral combinations of radio receivers and speaker systems
are offered as optional equipment on this model. The
audio system uses an ignition switched source of battery
current so that the system will only operate when theignition switch is in the On or Accessory positions. The
audio system includes the following components:
²Antenna
²Clockspring (with remote radio switches only)
²Filter, choke and speaker relay (with premium
speaker system only)
²High-line or premium Central Timer Module
(CTM) (with remote radio switches)
²Radio noise suppression components
²Radio receiver
²Remote radio switches (optional with RAZ radio
receiver only)
²Speakers
BR/BEAUDIO 8A - 1

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