Jeep XJ 1986 Full Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Cherokee (XJ) Year: 1986 Codes Platform Code: XJ 👋 Introduction Market Position Vehicle Segment: Compact SUV, highly capable off-road vehicle. Jeep Heritage: Continues...

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Taper: Car

Distributeur:

UGS: 447820

Mots clés: 1986 Car Cars Jeep Misc XJ

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Model:

Cherokee (XJ)

Year:

Codes

Platform Code:

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV, highly capable off-road vehicle.

Jeep Heritage:

Continues Jeep's legacy of ruggedness and off-road prowess in a more compact and daily-drivable package.

Competitive Analysis

Key Competitors:

Ford Bronco II, Chevrolet S-10 Blazer, Nissan Pathfinder, Toyota 4Runner.

Key Features

Unibody Construction:

Pioneering unibody construction in its class, contributing to lighter weight and better on-road manners compared to body-on-frame SUVs.

Off Road Capability:

Renowned for its off-road capabilities, featuring robust four-wheel-drive systems (Command-Trac, Selec-Trac) and good ground clearance.

Versatility:

Offers a blend of utility, off-road capability, and daily driver comfort.

📋 Manual Details

Coverage Areas

Manual Type:

Full Service Repair Manual

Language:

English

Format:

Digital (likely PDF based on description)

Page Count

Estimated Page Count:

1000+ (estimated for a full service manual)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, diagnostics, tuning, cooling system, lubrication system, fuel system (carbureted and early EFI), exhaust system.

Engine Electrical:

Ignition system, starting and charging system, sensors, ECU operation, wiring diagrams.

Transmission:

Manual transmission (e.g., AX-4, AX-5), Automatic transmission (e.g., AW-4, TF-999) overhaul, diagnostics, fluid service.

Drivetrain:

Front and rear axles (Dana 30, AMC 20), transfer case (e.g., NP228, NP229), driveshafts, U-joints, CV joints (if applicable).

Suspension:

Front leaf spring (early XJ), coil spring suspension (later XJ), rear leaf spring suspension, shocks, bushings, steering linkage.

Brakes:

Front disc brakes, rear drum brakes, parking brake system, hydraulic system, ABS (if equipped).

Steering:

Power steering system, steering box, tie rods, drag link, steering column.

Body And Frame:

Body panel removal and installation, rust repair, interior trim, doors, windows, convertible top (if applicable).

Electrical System:

Lighting, wipers, horn, power windows, power locks, instrument cluster, fuse box, relays.

HVAC:

Heating, ventilation, and air conditioning system diagnostics and repair.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes, tire rotation, tune-ups.

Troubleshooting:

Diagnostic flowcharts for common and uncommon problems across all major systems.

Component Overhaul:

Detailed step-by-step instructions for rebuilding engines, transmissions, differentials, and other major components.

Electrical Diagnostics:

Tracing electrical faults, testing sensors and actuators, using wiring diagrams.

Body Repair:

Dent removal, rust treatment, panel alignment, glass replacement.

Technical Depth

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including factory specifications and procedures.

📊 Manual Specifications

File Format

Digital Format:

PDF (assumed from description, ideal for searchability and easy access)

Print Quality

Image Resolution:

High resolution (essential for clear diagrams and illustrations)

Binding Type

Digital Binding:

N/A (digital format)

Paper Type

Digital Paper Type:

N/A (digital format)

⚙️ Engine Specifications

Primary Engine

Engine Code 1:

4.0L Inline 6-Cylinder (AMC 4.0L 'High Output')

Displacement 1:

3960 cc (242 cubic inches)

Horsepower 1:

Approximately 173 hp @ 4700 rpm (for 1987 onward, 1986 might have slightly lower output or different tune)

Torque 1:

Approximately 220 lb-ft @ 3200 rpm (for 1987 onward, 1986 might have slightly lower output or different tune)

Engine Variants

Engine Code 2:

2.5L Inline 4-Cylinder (AMC 'Tech IV')

Displacement 2:

2468 cc (150 cubic inches)

Horsepower 2:

Approximately 105 hp @ 4800 rpm

Torque 2:

Approximately 132 lb-ft @ 2800 rpm

Fuel System

Fuel Delivery 1:

Fuel Injection (EFI) for 4.0L. Carburetor (e.g., Motorcraft 2150 or similar) potentially for 2.5L in early models.

Fuel Type:

Unleaded Gasoline

Performance

Compression Ratio 4.0:

8.8:1 (typical for this engine family)

Bore Stroke 4.0:

4.00 in x 3.88 in

Compression Ratio 2.5:

8.8:1 (typical for this engine)

Bore Stroke 2.5:

3.88 in x 3.25 in

🔧 Transmission

Standard

Transmission Type Std:

5-Speed Manual (e.g., AX-5, AX-4)

Optional

Transmission Type Opt:

3-Speed Automatic (e.g., TF-999) or 4-Speed Automatic (AW-4, with overdrive) depending on engine and drivetrain configuration.

Features

Transfer Case Options:

Command-Trac (2WD/4WD Part-Time) or Selec-Trac (2WD/4WD Full-Time/Part-Time).

Fluid Specifications

Manual Transmission Fluid:

Refer to manual for specific SAE grade (e.g., 75W-90 GL-5 or 80W-90 GL-5).

Automatic Transmission Fluid:

ATF+3 or equivalent (e.g., Mopar ATF+4 is often backward compatible).

📐 Dimensions

Exterior

Wheelbase:

101.4 inches (2576 mm)

Length:

166.2 inches (4221 mm)

Width:

69.3 inches (1760 mm)

Height:

63.4 inches (1610 mm)

Weights

Curb Weight:

Approximately 3,000-3,500 lbs (varies with engine and options)

Gross Vehicle Weight Rating:

Approximately 4,700-5,000 lbs (varies)

Cargo

Cargo Volume Behind Rear Seat:

Approximately 32.0 cubic feet

Cargo Volume With Rear Seat Folded:

Approximately 71.0 cubic feet

🛡️ Safety Features

Ratings

NHTSA Ratings:

Data for 1986 may be limited or not directly comparable to modern standards. Typically robust for its era.

Active Features

Braking System:

Front disc brakes, rear drum brakes. Some later models might have offered ABS, but less common in '86.

Passive Features

Seat Belts:

3-point front seat belts, 2-point rear seat belts.

Roll Cage Structure:

Integrated unibody structure designed for rigidity and rollover protection.

💡 Technology Features

Infotainment

Audio System:

Basic AM/FM radio, optional cassette player, limited speaker configurations.

Driver Assistance

Rare or unavailable on base 1986 models. If equipped, system details will be in the manual.

Connectivity

Connectivity Features:

N/A (pre-modern connectivity era).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type. Refer to manual for precise recommendation.

Transmission Fluid Interval Auto:

Every 30,000-50,000 miles or as specified by usage type (severe vs. normal).

Transmission Fluid Interval Manual:

Inspect periodically, change every 50,000-100,000 miles.

Coolant Flush:

Every 2 years or 30,000 miles.

Spark Plug Replacement 4.0:

Every 30,000-60,000 miles, depending on plug type.

Fluid Specifications

Engine Oil Type:

SAE 10W-30 or 10W-40 is common for both engines, but consult manual for exact recommendation and API service rating (e.g., SF or SG).

Coolant Type:

Ethylene Glycol based antifreeze (green) with proper water mix (50/50).

Brake Fluid Type:

DOT 3.

Known Issues

Engine 4.0:

Cracked cylinder heads (later years, less common in '86 but possible), camshaft wear, oil filter adapter housing leaks.

Engine 2.5:

Less power, potential oil consumption, valve cover gasket leaks.

Electrical:

Corrosion in wiring harnesses, failing grounds, HVAC blower motor issues.

Suspension:

Worn bushings, leaf spring sag, shock absorber fatigue.

Rust:

Common issue in certain climates, particularly on floor pans, rocker panels, and wheel wells.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Descended from the Willys MB Jeep, Jeep has a long-standing reputation for 4x4 capability and durability.

Model Evolution

Introduction Year:

Design Philosophy:

Introduced as a more modern, compact, and comfortable alternative to the CJ-7, while retaining Jeep's core off-road DNA.

1986 Updates:

Minor styling tweaks, potential refinement of engine options and interior features over earlier models. Introduction of 4.0L 'High Output' was around 1987.

Production

Production Period:

1984-2001

Manufacturing Locations:

Toledo, Ohio, USA.

🏆 Awards & Recognition

Recognitions

4X4 Of The Year:

The XJ Cherokee platform was widely recognized for its off-road prowess, often lauded by off-road publications.