1991 Mitsubishi Mighty Max Service and Repair Manual
1991 Mitsubishi Mighty Max 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
- Base Extended Cab Pickup 2-Door
- Base Standard Cab Pickup 2-Door
- 1 Ton Standard Cab Pickup 2-Door
Engines covered
- 3.0L 2972CC 181Cu. In. V6 GAS SOHC Naturally Aspirated
- 2.4L 2351CC l4 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 FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE
THE SAFETY BELTS WOULD NOT PROVIDE ADEQUATE PROTECTION TO AN OCCUPANT IN A VEHICLE CRASH.
OWNERS SHOULD PROMPTLY CHECK THE CONDITION AND OPERATION OF BOTH FRONT SAFETY BELT BUCKLES AND CAREF
This Technical Service Bulletin updates the door adjustment procedure in the Body Section of the applicable service manuals.
IMPROVED EXHAUST MANIFOLD STUD. *TW
The contact owns a 1991 Mitsubishi Mighty Max. The contact stated while the vehicle was parked, the driver's side front seat belt was latched; however, the front driver's seat belt buckle failed to la
TIRE TREADS ARE SEPARATING/CRACKING IN BETWEEN THE TREADS. NOT A FAILURE YET, BUT I DON'T THINK THIS IS NORMAL OR SAFE, AND JUST WANT IT TO BE KNOWN IN CASE OTHERS ARE HAVING THE SAME PROBLEM. *TR
CLUTCH WILL EASILY BREAK. IN NOVEMBER OF 1999 CLUTCH BROKE , AND IN APRIL 2001 CLUTCH BROKE AGAIN. DEALER WAS NO LONGER WILLING TO REPAIR CLUTCH. *AK
VEHICLE STALLED, CHECK ENGINE LIGHT CAME ON. DEALER FOUND COMPUTER MODULE NEEDED TO BE REPLACED. *AK IDLE SPEED CONTROL FAILED, ELECTRICAL ENGINE CONTROL MODULE UNABLE TO CONTROL, IT BURNED ITSELF U
VEHICLE STALLED, CHECK ENGINE LIGHT CAME ON. DEALER FOUND COMPUTER MODULE NEEDED TO BE REPLACED. *AK IDLE SPEED CONTROL FAILED, ELECTRICAL ENGINE CONTROL MODULE UNABLE TO CONTROL, IT BURNED ITSELF U
Showing the 5 most serious of 14 complaints filed with NHTSA.
