Mitsubushi PAJERO MONTERO 1989 Service Repair Manual

🏷️ Basic Information

Make:

Mitsubishi

Model:

Pajero / Montero

Year:

1989

Generation Designation:

Second Generation (1991-2006, though this manual covers the transition period and earlier variants)

Chassis Codes:

Likely L040 series (for early second-gen/late first-gen transition models relevant to 1989)

👋 Introduction

Segment:

Compact/Mid-size SUV (Sport Utility Vehicle), known for its off-road capability and versatility.

Competitors:

Jeep Cherokee (XJ), Toyota 4Runner, Nissan Pathfinder, Ford Bronco II, Chevrolet S-10 Blazer.

Design Philosophy:

Rugged, body-on-frame construction, available 4WD (Super Select 4WD-i on some later variants, but likely simpler system for '89), robust powertrains, and substantial off-road prowess.

Target Audience:

Enthusiasts seeking to maintain, repair, and optimize their classic Mitsubishi Pajero/Montero for both daily driving and off-road adventures.

📋 Manual Details

Systems Covered:

Engine Overhaul and Rebuilding, Troubleshooting and Diagnostics, Computer Diagnostic Trouble Tree Charts, Engine Performance, Front End and Alignment Procedures and Specifications, Suspension, Transmission Removal and Installation, Air Conditioning Service and Capacities, Transmission In-Car Servicing, Firing Orders, Detailed Specifications, Timing Belt Service Procedures, Brake Servicing Procedures, Complete Torque Specifications, U-Joint and CV-Joint Service Procedures, Repair Procedures, Complete Wiring Diagrams, Vacuum Diagrams

Estimated Page Count:

Not specified in product description, but typically 1000+ pages for comprehensive factory service manuals of this era.

Type:

Factory Service Manual / Repair Manual

Language:

English (presumed based on product description language)

Format:

Digital (PDF implied by 'what will be send to you', though physical is also possible depending on seller).

📖 Manual Coverage

Engine:

Complete engine overhaul, rebuilding, diagnostics, performance tuning, timing belt service, firing orders, and detailed specifications.

Transmission:

Removal, installation, and in-car servicing procedures for both manual and automatic transmissions.

Suspension And Steering:

Front end alignment procedures and specifications, general suspension system service.

Brakes:

Comprehensive brake servicing procedures.

Electrical:

Complete wiring diagrams for all vehicle systems.

Air Conditioning:

Service procedures and refrigerant/oil capacities for the A/C system.

Drivetrain:

U-joint and CV-joint service procedures.

Diagnostics:

Troubleshooting, diagnostics, and computer diagnostic trouble tree charts.

Body And Chassis:

General repair procedures from front to back of the car.

Maintenance:

Basic to advanced maintenance procedures, fluid changes, inspections.

Repair:

Detailed step-by-step repair instructions for all major vehicle systems.

Rebuild:

Complete engine overhaul and rebuilding instructions.

Troubleshooting:

Systematic troubleshooting guides and diagnostic flowcharts.

Diagnostics:

Instructions for diagnosing electronic and mechanical issues, including computer diagnostics.

Alignment:

Front end alignment procedures and specifications.

Wiring Diagrams:

Provision of complete vehicle wiring diagrams.

Vacuum Diagrams:

Provision of vacuum system diagrams.

Depth:

In-depth illustrations and detailed explanations suitable for users with basic mechanical knowledge, aiming for 100% operational condition.

📊 Manual Specifications

Format:

Likely PDF, potentially with searchable text and high-resolution images/diagrams.

Quality:

High-quality reproductions of original factory documentation, including clear illustrations and diagrams.

Type:

N/A for digital format. For physical, typically spiral-bound or perfect-bound for durability.

Type:

N/A for digital format. For physical, typically high-grade, matte paper for clarity of diagrams and text.

⚙️ Engine Specifications

Engine Family:

Likely the 4G5 series (e.g., 4G54 SOHC I4) or potentially early 6G7 series V6 engines depending on market and specific 1989 configuration.

Engine Displacement:

Commonly 2.6L (4G54) inline-four, with potential 3.0L V6 (6G72) options available in some markets.

Horsepower Range:

Approx. 100-115 hp for 2.6L I4, and 135-145 hp for 3.0L V6.

Torque Range:

Approx. 130-140 lb-ft for 2.6L I4, and 160-170 lb-ft for 3.0L V6.

Induction:

Typically Fuel Injection (MPI or EFI) or Carbureted depending on engine and market.

Computer Diagnostics:

Early OBD-I diagnostic systems, requiring specific diagnostic tools and procedures detailed in the manual.

Belt Type:

Toothed timing belt, requiring specific replacement intervals and procedures.

🔧 Transmission

Type:

5-speed manual transmission (e.g., KM202) was common.

Type:

4-speed automatic transmission (e.g., KM247) was also available.

Drivetrain Options:

Part-time 4WD with a transfer case. Some models may feature a limited-slip differential.

Manual Transmission Fluid:

Likely API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90 (specifics to be confirmed in manual).

Automatic Transmission Fluid:

Likely Dexron II or equivalent (specifics to be confirmed in manual).

📐 Dimensions

Body Styles:

Short-wheelbase (SWB) 2-door and Long-wheelbase (LWB) 4-door (wagon) configurations.

Curb Weight:

Typically ranges from 3,500 lbs to 4,200 lbs (1588 kg to 1905 kg) depending on configuration and equipment.

🛡️ Safety Features

Crash Test Data:

Limited comprehensive crash test data available for this era's SUVs; focus is on robust construction.

Braking System:

Front disc brakes, rear drum brakes. Some higher trims may have rear disc brakes. ABS was not standard on all models.

Restraints:

Seat belts. Airbags were not standard equipment in 1989.

💡 Technology Features

Audio System:

Basic AM/FM radio with cassette player. Optional CD player may have been available on higher trims.

ABS:

Anti-lock Braking System (ABS) was an optional feature on certain models/trims, not standard across the board.

Features:

Limited by era; primarily focused on vehicle operation and comfort rather than advanced electronic connectivity.

🔧 Maintenance

Oil Change:

Typically every 3,000-5,000 miles (4,800-8,000 km) or 3-6 months, depending on driving conditions.

Timing Belt Replacement:

Crucial service, typically recommended every 60,000-90,000 miles (96,000-145,000 km) or 5-7 years. Failure can cause catastrophic engine damage.

Transmission Fluid Change:

Every 30,000-60,000 miles (48,000-96,000 km) for automatic, and similar or longer intervals for manual transmissions.

Engine Oil:

API SG or SH, SAE 10W-30 or 10W-40 recommended (check manual for specific viscosity based on ambient temperature).

Coolant:

Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Capacity around 7-8 quarts.

Brake Fluid:

DOT 3 or DOT 4, depending on the system's requirements.

Common Problems:

Rust issues (especially body panels and frame), potential for head gasket failure on some engines, aging electrical components, wear in suspension bushings, U-joint wear, and carburetor issues (if applicable).

Oil Filter Part Number:

Example: Fram PH8A, Wix 51515 (specific fitment to be verified in manual).

Air Filter Part Number:

Example: Fram CA1674 (specific fitment to be verified in manual).

📚 Vehicle History

Mitsubishi Motors:

Mitsubishi Motors, a Japanese multinational automotive manufacturer with a strong heritage in robust engineering and off-road vehicles.

Pajero Montero:

The Pajero (Montero in North America) was first introduced in 1976. The 1989 model year falls within the first generation's later production years, often bridging the gap to the second generation's introduction around 1991. This manual likely covers the most refined aspects of the first generation, with some elements potentially hinting at the upcoming second generation.

Manufacturing Locations:

Primarily Japan.

🏆 Awards & Recognition

Off Road Accolades:

The Mitsubishi Pajero has a strong reputation in international rally events, including multiple Dakar Rally victories, cementing its status as a highly capable off-road vehicle.