1993 Mitsubishi Diamante Service and Repair Manual

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Factory-Grade Data

1993 Mitsubishi Diamante 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • ES Wagon 4-Door
  • ES Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 3.0L 2972CC 181Cu. In. V6 GAS SOHC Naturally Aspirated
  • 3.0L 2972CC 181Cu. In. V6 GAS DOHC 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

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Vehicle Safety Data

1993 Mitsubishi Diamante Recalls & Complaints

NHTSA #96V14300125/07/1996Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

Consequence

BRAKE FLUID LEAKAGE WILL CAUSE ILLUMINATION OF THE BRAKE WARNING LAMP AND REDUCTION IN BRAKING EFFIC

Remedy

DEALERS WILL REPLACE THE LEFT AND RIGHT FRONT WHEEL-SIDE BRAKE HOSES WITH REVISED HOSE ASSEMBLIES.

NHTSA #93V04400016/03/1993Component: SEAT BELTS:FRONT:ANCHORAGE

THE REAR OUTBOARD LOWER SAFETY BELT ATTACHMENT BOLT WAS INADEQUATELY TORQUED ON INSTALLATION.

Consequence

THE INADEQUATELY TORQUED ANCHOR BOLT COULD FAIL INA SUDDEN STOP OR ACCIDENT. FAILURE OF THE SAFETY B

Remedy

RETORQUE THE SAFETY BELT ATTACHMENTS TO THE CORRECT SPECIFICATION.

NHTSA #96V14300212/08/1996Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

Consequence

BRAKE FLUID LEAKAGE WILL CAUSE ILLUMINATION OF THE BRAKE WARNING LAMP AND REDUCTION IN BRAKING EFFEC

Remedy

DEALERS WILL REPLACE THE LEFT AND RIGHT FRONT WHEEL-SIDE BRAKE HOSES WITH REVISED HOSE ASSEMBLIES.

TSB #10170852

This Technical Service Bulletin updates the door adjustment procedure in the Body Section of the applicable service manuals.

TSB #10169006

This is a service newsletter (Tech Talk) that was sent out to dealers.

TSB #10163703

This is a Technical Service Bulletin sent to dealers. This bulletin supersedes TSB-18-00-003, issued April, 2018, to add updated information for Carrying Capacity Reduced Label.

TSB #10130469

This is a service newsletter (Tech Talk) that was sent out to dealers.

TSB #615976

MMSA HAS DETERMINED THAT UNDER CERTAIN CONDITIONS, THE FRONT LOWER BRAKE HOSES MAY DEVELOP A CRACK, CAUSING A LOSS OF BRAKE FLUID. *TT

TSB #600571

INFORMATION ABOUT IMPROVED AUTOMATIC TRANSAXLE END CLUTCH. *TT

TSB #54299

SERVICE MANUAL REVISION ON SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CAUTIONS AND WARNINGS. *YC

TSB #54032

INFORMATION CONTAINING ADDITIONAL GLASS ANTENNA CAUTIONS AND INSPECTION PROCEDURES. *YC

Showing the 8 most recent of 14 technical service bulletins on file with NHTSA.

19970804Component: AIR BAGSCrash reported1 injured

CONSUMER REARENDED A VEHICLE AND THE AIRBAGS DID NOT DEPLOY. THE SEAT BELT RESTRAINTS RETRACTED, BUT OWNER RECEIVED INJURIES TO NECK AND SHOULDERS. DUP OF 815028, ADDED ON 25-FEB-98. *AK

19970804Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE TRAVELING 60 MPH ON FREEWAY, ANOTHER VEHICLE TURNED DIRECTLY IN FRONT WHICH RESULTED IN A HIGH SPEED IMPACT. NEITHER DUAL AIR BAGS DEPLOYED UPON IMPACT. PLEASE DESCRIBE DETAILS. *AK

19960912Component: AIR BAGS:FRONTALCrash reported1 injured

NO DEPLOYMENT OF DRIVERS AIR BAG IN ACCIDENT, CAUSING INJURY.

19960823Component: AIR BAGSCrash reported1 injured

DEPLOYMENT WAS VIOLENT, CAUSING FIRST DEGREE BURNS TO FACE/CHIN/WRIST DURING COLLISION.

19960319Component: AIR BAGS:FRONTALCrash reported1 injured

VEHICLE CUT IN FRONT TO MAKE RIGHT TURN, HIT VEHICLE ON PASSENGER SIDE, DRIVER HIT STEERING WHEEL COLUMN WITH KNEE AND LEG, AIR BAG DID NOT DEPLOY. *AK

Showing the 5 most serious of 43 complaints filed with NHTSA.

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