1991 Dodge Monaco service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- LE Sedan 4-Door
- ES Sedan 4-Door
Engines covered
- 3.0L 2972CC 182Cu. In. V6 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
THE ABS HYDRAULIC CONTROL UNIT CAN EXPERIENCE EXCESSIVE BRAKE ACTUATOR PISTON SEAL WEAR CAUSING PUMP-MOTOR DETERIORATION.
IF THIS CONDITION OCCURS, THE ABS FUNCTION COULD BE LOST AND REDUCED POWER ASSIST WOULD BE EXPERIENC
DEALERS WILL TEST THE VEHICLE'S ANTI-LOCK BRAKE SYSTEM AND REPAIR THE VEHICLES IF NECESSARY. ALSO TH
REAR BRAKE TUBE ROUTING IS CONTACTED BY FUEL TANK HEAT SHIELD WHEN SUSPENSION IS IN FULL JOUNCE POSITION. THIS DAMAGES THE BRAKE FLUID TUBE, CAUSING A LEAK.
LOSS OF FLUID FROM HALF OF THE DIAGONALLY SPLIT BRAKEHYDRAULIC SYSTEM AFFECTS BRAKING CAPABILITY, WH
MODIFY HEAT SHIELD TO ELIMINATE POTENTIAL FOR SHIELD CONTACTING BRAKE TUBE.
VEHICLE DESCRIPTION: PASSENGER AND MULTI-PURPOSE VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, ILLINOIS, INDIANA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, NEW HAMP
THE REDUCED STRENGTH CAN ALLOW THE CAST IRON WEAR SURFACE TO SEPARATE FROM THE HUB, REDUCING THE BRA
DEALERS WILL REPLACE THESE ROTORS WITH ROTORS THAT ARE COATED WITH A CORROSION PROTECTION.
ROUTING OF BATTERY MAIN FEED WIRING MAY ALLOW IT TO CONTACT THE AIR CLEANER BRACKET AND CONTNUED CONTACT MAY LEAD TO AN ELECTRICAL SHORT CIRCUIT.
THE ELECTRICAL SHORT CAUSED BY CONTINUOUS CONTACT COULDRESULT IN THE IGNITION OF THE WIRING INSULATI
THE MAIN FEED ON ALL INVOLVED VEHICLES WILL BE REROUTED AND SECURED WITH TIE STRAPS AWAY FROM THE AI
THE END CAP CONNECTING THE HEAT EXCHANGER'S CORE TO THE ENGINE COOLING SYSTEM COULD RUPTURE AND ALLOW HOT COOLANT TO ESCAPE INTO THE PASSENGER COMPARTMENT.
THE COOLANT ESCAPING INTO THE PASSENGER COMPARTMENT COULD CONTACT THE DRIVER'S FEET AND INJURE THE D
A COOLANT TEMPERATURE CONTROLLED HEATER CORE FLUID BYPASS VALVE WILL BE INSTALLED.
THE AUTOMATIC SHOULDER BELT SYSTEMS CAN MALFUNCTION AND BECOME INOPERATIVE.
THE LACK OF PASSIVE RESTRAINTS COULD INCREASE THE RISK OF PERSONAL INJURY IN THE EVENT OF A VEHICLE
DEALERS WILL REPLACE THE SYSTEM TRACK AND DRIVE ASSEMBLY ON AUTOMATIC SHOULDER BELT SYSTEMS WHICH AR
THE ANTI-LOCK BRAKE SYSTEM HIGH PRESSURE HOSE MAY LEAK OR DETACH AT ITS CRIMPED END FITTING RESULTING IN THE DISCHARGE OF HYDRAULIC FLUID.
FLUID DISCHARGE EVENTUALLY CAUSES THE LOSS OF BOTH THEANTI-LOCK BRAKE SYSTEM AND HYDRAULIC ASSIST FO
REPLACE THE ABS HIGH PRESSURE HOSE WITH A HOSE OF DIFFERENT DESIGN AND CONSTRUCTION.
SUBJECT REGARDING WIRE SPLICE REPAIRS. *SB
SUBJECT REGARDING CHILD SEAT TETHER ANCHORS. *TT
SUBJECT ON THE CHILD SEAT TETHER ANCHORS. *MJS
SUBJECT REGARDING CHILD SEAT TETHER ANCHORS. *TT
THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS. *TT
INFORMATION ON INSTALLATION OF RADIO TRANSMITTING EQUIPMENT. *AK
INFORMATION ON CHILD SEAT TETHER ANCHORS. *TT
DIFFICULT TO CLEAN LIGHT COLORED "CHALKY" RESIDUE FROM PLASTIC BODY COMPONENTS THAT ARE MOLDED IN BLACK. *TW
Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.
ABS, EXPERIENCE BRAKE FAILURE, LOSS OF EFFECTIVENESS, IMPACT 12:00, SPEED UNKNOWN DUE TO COME DOWN A HILL. TT
ABS BRAKE FAILURE, VEHICLE INVOLVED IN FRONTAL COLLISION, IMPACT 12:00 POSITION, SPEED 20 MPH, PEDAL WENT THE FLOOR AND HAD EXTENDED STOPPING DISTANCE. *AK
WHEN SHIFT INTO DRIVE, VEHICLE ACCELERATED OUT OF CONTROL W/BRAKES HAVING MINIMUM PERFORMANCE. VEHICLE DETROYED SOME PROPERTY. PLEASE DECRIBE DETAILS. TT
TL* THE CONTACT OWNS A 1991 DODGE MONACO. THE CONTACT STATED THAT THE PASSIVE SAFTEY RESTRAINT SYSTEM MALFUNCTIONED AND WAS NOT PERFORMING PROPERLY ON BOTH THE DRIVER AND PASSENGER SIDES OF THE VEHICL
METAL STRAP SECURING FUEL TANK TO VEHICLE RUSTED AND BROKE; DEFECT DISCOVERED BEFORE ANY CRASH/PERSONAL INJURY; CONTACTED MANUFACTURER'S DEALER FOR REPLACEMENT PART AND WAS ADVISED NONE AVAILABLE NOW
Showing the 5 most serious of 55 complaints filed with NHTSA.
