Jeep XJ 1988 Repair Service Manual

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🏷️ Basic Information Identification Make: Jeep Model: Cherokee (XJ) Year: 1988 Codes Chassis Code: XJ 👋 Introduction Market Position Segment: Compact SUV / Sport Utility Vehicle Key Attribute: Off-road capability,...

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标签: 1988 Car Cars Jeep Misc XJ

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Description

🏷️ Basic Information

Identification

Make:

Model:

Cherokee (XJ)

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Compact SUV / Sport Utility Vehicle

Key Attribute:

Off-road capability, ruggedness, compact size, unibody construction

Competitive Analysis

Contemporaries:

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

Key Features

Design Philosophy:

Compact, capable, unibody construction for lighter weight and better on-road manners than body-on-frame competitors.

Off Road Legacy:

Continues Jeep's heritage of off-road prowess, with strong aftermarket support.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive repair and service information for the 1988 Jeep Cherokee (XJ) model.

Page Count

Estimated Pages:

Varies based on specific printing or PDF version, but typically over 1000 pages for a complete factory service manual.

Manual Type

Type:

Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

2.5L AMC I4, 4.0L AMC I6, 4.2L AMC I6 (if applicable for the specific model year and market)

Transmission:

Manual (AX-4, AX-5), Automatic (AW-4, 32RH)

Drivetrain:

4x2, Selec-Trac 4x4, Command-Trac 4x4

Suspension:

Front leaf spring (early 1988), Front coil spring (late 1988 and standard XJ), Rear leaf spring

Brakes:

Front disc, Rear drum (standard); Optional front and rear discs

Steering:

Power Steering (Recirculating ball)

Electrical:

Body electrical, Engine control, Lighting, Instrumentation, Power accessories

HVAC:

Heating, Ventilation, Air Conditioning (if equipped)

Fuel System:

Fuel injection (MPI for 4.0L, Carburetor for 4.2L if still present), Fuel tank, Pump, Lines

Exhaust System:

Exhaust manifolds, Catalytic converter, Muffler, Tailpipe

Body And Frame:

Unibody construction, Interior trim, Exterior panels, Doors, Hood, Tailgate

Procedures Included

Maintenance:

Scheduled maintenance, Fluid checks and changes, Filter replacements, Lubrication points

Troubleshooting:

Diagnostic procedures, Symptom-based troubleshooting, Electrical system diagnostics

Repair:

Engine overhaul, Transmission rebuilds, Suspension component replacement, Brake system service, Electrical component repair, Body panel repair

Diagnostics:

On-board diagnostics (OBD-I relevant codes), Component testing, Wiring diagrams analysis

Calibration:

Wheel alignment, Steering system adjustments

Installation:

Component replacement, Accessory installation guides (where applicable)

Technical Depth

Depth:

Comprehensive, covering from basic maintenance and fluid changes to in-depth engine and transmission rebuilds, electrical system diagnostics, and bodywork.

Target Audience:

Primarily professional technicians, but with sufficient detail for advanced DIY enthusiasts.

📊 Manual Specifications

File Format

File Type:

Print Quality

Quality:

Typically high quality, with clear diagrams and text, suitable for printing.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

Searchability

Text Search:

Searchable text within the PDF document for quick information retrieval.

⚙️ Engine Specifications

Primary Engine

Engine 1 Displacement:

2.5 Liters (150 cu in)

Engine 1 Type:

AMC 150 I4 (Inline-4)

Engine 1 Fuel System:

Fuel Injection (likely Renix MPI)

Engine 1 Horsepower:

Approx. 115-120 hp @ 4500-4800 rpm

Engine 1 Torque:

Approx. 170-180 lb-ft @ 2000-2500 rpm

Optional Engine

Engine 2 Displacement:

4.0 Liters (242 cu in)

Engine 2 Type:

AMC 242 I6 (Inline-6)

Engine 2 Fuel System:

Fuel Injection (Renix MPI)

Engine 2 Horsepower:

Approx. 173-177 hp @ 4500-4700 rpm

Engine 2 Torque:

Approx. 220-225 lb-ft @ 2500-3000 rpm

Fuel System

Fuel Type:

Unleaded Gasoline

Injection System:

Multi-point Fuel Injection (MPI) for 4.0L and later 2.5L; Carbureted 4.2L may still be found on some very early production or modified vehicles, though less common for '88.

🔧 Transmission

Standard

Manual Transmission:

Aisin-Warner AX-4 or AX-5 (4 or 5-speed manual)

Optional

Automatic Transmission:

Aisin-Warner AW-4 (4-speed automatic) or Chrysler 32RH (3-speed automatic, likely introduced later in the XJ generation but manual may cover its precursor/related units).

Features

Transfer Case Options:

2WD, Selec-Trac (part-time 4WD with 2WD option), Command-Trac (full-time 4WD)

📐 Dimensions

Exterior

Wheelbase:

101.4 inches (2576 mm)

Length:

167.4 inches (4252 mm)

Width:

69.9 inches (1775 mm)

Height:

63.6 inches (1615 mm)

Weights

Curb Weight:

Approx. 3100-3400 lbs (1406-1542 kg) depending on configuration

🛡️ Safety Features

Ratings

NHTSA Rollover Resistance:

Typically 3-star rating for its era.

Active Features

Optional rear ABS available on some models.

Passive Features

Airbags:

No airbags standard in 1988; optional driver-side airbag may have been available late in the model year or on specific trims.

💡 Technology Features

Infotainment

Audio System:

AM/FM radio, optional cassette player, and optional CD player (rare for '88).

Speakers:

Standard 2 or 4 speaker system.

Driver Assistance

Cruise Control:

Optional

Connectivity

Usb Bluetooth:

Not applicable for this era.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 miles or 3 months (typical for the era).

Transmission Fluid Change:

Every 30,000-60,000 miles, depending on driving conditions (refer to manual for specifics).

Coolant Flush:

Every 30,000 miles or 2 years.

Fluid Specifications

Engine Oil Spec:

API SG or SH rated, SAE 10W-30 or 10W-40 recommended for most conditions (check manual for specific engine).

Transmission Fluid Type Auto:

ATF+3 or ATF+4 (or equivalent DEXRON II/III for older AW-4).

Transmission Fluid Type Manual:

GL-3 or GL-4 gear oil (e.g., SAE 75W-90 or 80W-90).

Transfer Case Fluid:

ATF for Selec-Trac, typically manual transmission fluid (like AX-5/AX-4) for Command-Trac; consult manual for precise spec.

Coolant Type:

Ethylene glycol based, typically green color, 50/50 mix with distilled water.

Known Issues

Engine 4 0L Issues:

Cracked cylinder heads (later years, but can affect earlier ones), oil filter adapter seal leaks, distributor drive gear wear.

Electrical Issues:

Renix fuel injection system issues (e.g., sensor failures, ECM issues), grounds, wiring harness degradation.

Suspension Wear:

Leaf spring sag (rear), worn control arm bushings (if coil spring front), ball joint wear.

Rust:

Common in rocker panels, rear quarter panels, and unibody frame rails due to age and environmental exposure.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long history of producing rugged, off-road capable vehicles, dating back to WWII Willys Jeeps.

Model Evolution

Xj Introduction:

The XJ Cherokee was introduced in 1984, pioneering the compact SUV segment with its unibody construction.

1988 Updates:

1988 saw the introduction of the 4.0L inline-six engine, which quickly became a hallmark of the XJ's performance and durability, replacing the less refined 4.2L engine in many applications.

Production

Production Period:

1984-2001 (North America)

🏆 Awards & Recognition

Recognitions

Industry Impact:

Widely credited with defining the compact SUV segment and setting a benchmark for off-road capability in a comfortable package.

Ratings

Motor Trend SUV Of The Year:

While not specifically for '88, the XJ Cherokee was awarded MotorTrend's SUV of the Year in 1984.