1990 Mitsubishi Mighty Max Service and Repair Manual
1990 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
WHILE DRIVING ENGINE SHUT DOWN. CONSUMER GOT THE VEHICLE TO COAST OFF THE RAMP. CONSUMER NOTICED SMOKE COMING FROM THE ENGINE, AND ENGINE WAS DRIPPING GAS. FUEL INJECTOR WOULD NOT CUT OFF, WHICH FLOO
WHILE DRIVING ENGINE SHUT DOWN. CONSUMER GOT THE VEHICLE TO COAST OFF THE RAMP. CONSUMER NOTICED SMOKE COMING FROM THE ENGINE, AND ENGINE WAS DRIPPING GAS. FUEL INJECTOR WOULD NOT CUT OFF, WHICH FLOO
I DON'T KNOW IF I HAVE AN ISOLATED PROBLEM WWITH MY SPECIFIC TRUCK OR ALL OWNERS OF THIS VEHICLE ARE HAVING THE SAME PRROBLEM. I CAN TELL BY THE PRICING OF THIS COMPONENT ($930.00) THAT THEY ARE IN H
WHILE DRIVING OCCUPANTS ARE CAPABLE OF PULLING OUT KEY FROM IGNITION. *AK
SEAT BELT RETRACTOR FAILURE.
Showing the 5 most serious of 8 complaints filed with NHTSA.
