1988 Jeep Cherokee XJ Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Jeep Model: Cherokee Year: 1988 Chassis Code: XJ Codes Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-Road...

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标签: 1988 Car Cars Cherokee XJ Jeep Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Cherokee

Year:

Chassis Code:

Codes

Product Type:

Service Repair Workshop Manual

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV / Off-Road Vehicle

Jeep Heritage:

Cherokee XJ is a cornerstone of Jeep's reputation for ruggedness and off-road capability.

Competitive Analysis

Competitors 1988:

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

Key Features

Jeep Xj Distinction:

Unibody construction offered a lighter, more car-like ride than body-on-frame competitors, yet retained significant off-road prowess.

Manual Value Proposition

Value For Owner:

Essential for owners looking to maintain, diagnose, and repair their 1988 Jeep Cherokee XJ, saving on labor costs and ensuring proper service.

📋 Manual Details

Coverage Areas

Manual Type:

Factory Service Manual

Language:

English

Format:

Digital (assumed PDF/eBook for online sales)

Target Audience:

DIY Mechanics, Technicians

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, disassembly, assembly, timing, lubrication, cooling systems

Fuel System:

Fuel injection (EFI), fuel pump, injectors, pressure regulator, tank, lines

Ignition System:

Distributor, ignition coil, spark plugs, timing, electronic control module (ECM)

Exhaust System:

Catalytic converter, mufflers, pipes, sensors

Transmission Manual:

Clutch, gearbox overhaul, shifting mechanisms, maintenance

Transmission Automatic:

Overhaul, torque converter, valve body, hydraulic controls, maintenance

Driveline:

Transfer case, driveshafts, U-joints, axles, differentials (front and rear)

Suspension:

Front and rear suspension components, springs, shocks, control arms, bushings

Steering:

Power steering system, steering gearbox, tie rods, steering column

Brakes:

Front and rear brake systems (discs/drums), hydraulic lines, master cylinder, ABS (if equipped)

Electrical System:

Wiring diagrams, battery, alternator, starter, lighting, fuses, relays, control modules

Climate Control:

HVAC system, blower motor, AC compressor, heater core, refrigerant charging

Body Interior:

Interior trim, seats, dashboard, door panels, glass, headliner

Body Exterior:

Body panels, doors, hood, tailgate, bumpers, trim, paint

Diagnostics:

Troubleshooting charts, symptom-based diagnosis, diagnostic trouble codes (DTCs)

Procedures Included

Maintenance:

Oil changes, fluid checks, filter replacements, tune-ups, inspections

Repair:

Component removal, installation, and overhaul for all major systems

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon problems

Specifications:

Torque values, clearances, fluid types, capacities, electrical specifications

Wiring Diagrams:

Detailed electrical schematics for all vehicle circuits

Technical Depth

Depth:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including in-depth electrical diagnostics.

📊 Manual Specifications

File Format

File Type:

PDF (common for this era's digital manuals)

Searchability:

Likely text-searchable for quick information retrieval

Print Quality:

High-quality scans of original factory documents, including sharp diagrams

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper:

N/A (Digital Format)

Completeness

Manual Completeness:

Complete Factory Service Manual

⚙️ Engine Specifications

Primary Engine

Engine Code:

4.0L Inline-6 (Often referred to as the '242' engine)

Engine Type:

Overhead Valve (OHV), Cast Iron Block, Aluminum Cylinder Head

Displacement:

242 cubic inches (3.96 liters)

Bore X Stroke:

3.875 in x 3.562 in (98.4 mm x 90.5 mm)

Performance

Horsepower:

Approx. 173 hp @ 4,000 RPM

Torque:

Approx. 220 lb-ft @ 2,000 RPM

Fuel System

Induction:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (87 Octane recommended)

Engine Features

Block Material:

Cast Iron

Cylinder Head Material:

Aluminum

Firing Order:

1-5-3-6-2-4

Oil Capacity With Filter:

6 US Quarts (5.7 Liters)

Oil Type:

API SN, SAE 10W-30 (Check manual for specific viscosity based on temperature)

Coolant Capacity:

Approx. 12.5 US Quarts (11.8 Liters) with heater

Coolant Type:

Ethylene Glycol based antifreeze/water mixture (50/50)

Spark Plug Gap:

0.035 inches (0.89 mm)

Ignition Timing Base:

12 degrees Before Top Dead Center (BTDC) at idle (ECU controlled)

🔧 Transmission

Standard

Transmission Type:

4-Speed Automatic (AW4)

Optional

Transmission Type:

5-Speed Manual (AX-5)

Features

Aw4 Features:

Electronically controlled, renowned for durability and off-road suitability. Selectable 2WD/4WD.

Ax5 Features:

Robust manual gearbox, suitable for moderate off-road use. Selectable 2WD/4WD.

Fluid Specifications Automatic

Transmission Fluid Type:

ATF+3 or ATF+4 (Refer to manual for exact specification for 1988)

Automatic Transmission Fluid Capacity:

Approx. 6.8 US Quarts (6.4 Liters) for fluid change

Fluid Specifications Manual

Manual Transmission Fluid Type:

GL-3 or GL-4, SAE 75W-90 Gear Oil

Manual Transmission Fluid Capacity:

Approx. 2.4 US Quarts (2.3 Liters)

📐 Dimensions

Exterior

Length:

176.1 inches (4473 mm)

Width:

69.4 inches (1763 mm)

Height:

63.4 inches (1610 mm)

Wheelbase:

101.4 inches (2576 mm)

Weights

Curb Weight:

Approx. 3,300 - 3,600 lbs (1497 - 1633 kg), depending on configuration

Gross Vehicle Weight Rating Gvw:

Approx. 4,700 - 5,000 lbs (2132 - 2268 kg)

Cargo

Cargo Volume Behind Rear Seat:

Approx. 33.1 cubic feet (937 liters)

Cargo Volume With Rear Seat Folded:

Approx. 70.6 cubic feet (2000 liters)

🛡️ Safety Features

Ratings

NHTSA Ratings:

N/A (FMVSS compliance tested, but modern star ratings not applicable to this era)

Active Features

Braking System:

Front disc, rear drum brakes. Optional ABS (Anti-lock Braking System) on select models.

Drivetrain:

Part-time Command-Trac 4WD system with optional Selec-Trac (full-time 4WD).

Passive Features

Seatbelts:

Shoulder belts, lap belts. Standard safety restraints.

Rollover Protection:

Reinforced roof structure inherent to the unibody design.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with cassette player. Optional premium sound systems available.

Gauge Cluster:

Analog gauges for speedometer, tachometer (optional), fuel level, oil pressure, coolant temperature, voltmeter.

Driver Assistance

Optional Anti-lock Braking System (ABS) available on some models for improved braking control.

Connectivity

Cruise Control:

Optional cruise control system.

Power Windows Locks:

Optional power windows and power door locks available on higher trim levels.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 - 5,000 miles or 3-6 months (depending on driving conditions and oil used). Consult manual for specifics.

Transmission Fluid Change Interval:

Every 30,000 - 60,000 miles (depending on towing and driving conditions). Check manual.

Coolant Flush Interval:

Every 30,000 - 50,000 miles or 2-3 years.

Spark Plug Replacement Interval:

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

Fluid Specifications

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

ATF+3 or ATF+4 (Check manual)

Known Issues

Common Wear Item 1:

Radiator tanks (plastic tanks prone to cracking/leaking)

Common Wear Item 2:

Leaf spring perches and mounting points (rust and fatigue)

Common Wear Item 3:

Headliner fabric deterioration (sagging)

Common Engine Issue:

Cracked cylinder heads (especially early 4.0L HO versions, though less common in later revisions like 1988)

Common Electrical Issue:

TPS (Throttle Position Sensor) failure, CPS (Crankshaft Position Sensor) failure on later models, door panel wiring harness wear.

Common Suspension Issue:

Worn ball joints, control arm bushings, and track bar bushings.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep's long history in military and off-road vehicles provides the foundation for the Cherokee XJ's capabilities.

Model Evolution

Xj Introduction:

The XJ Cherokee was a groundbreaking vehicle when introduced in 1984, pioneering the compact SUV segment.

1988 Updates:

The 1988 model year saw the refinement of the already popular XJ platform, including enhancements to the 4.0L engine's power and efficiency.

Production

Production Location:

Toledo, Ohio, USA

Production Years Xj:

1984-2001

🏆 Awards & Recognition

Recognitions

Jeep Xj Reputation:

Consistently praised for its off-road capability, durability, and value for money throughout its production run.