Jeep Cherokee Sport 1979 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Cherokee Trim: Sport Year: 1979 Codes Platform: SJ 👋 Introduction Market Position Vehicle Segment: Full-size SUV, pioneer in the segment. Competitive Analysis Key...

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Taper: Car

Distributeur:

UGS: 420211

Mots clés: 1979 Car Cars Cherokee Sport Jeep Misc

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Model:

Cherokee

Trim:

Sport

Year:

Codes

Platform:

👋 Introduction

Market Position

Vehicle Segment:

Full-size SUV, pioneer in the segment.

Competitive Analysis

Key Competitors 1979:

Chevrolet K5 Blazer, Ford Bronco, International Harvester Scout II.

Key Features

Body Styles Available:

Two-door, four-door, panel wagon, full-size pickup (though this manual focuses on SUV variants).

Off Road Prowess:

Renowned for robust 4WD system (Quadra-Trac), high ground clearance, and durable construction.

Powertrain Options:

Powerful V8 engine options suitable for towing and off-road.

📋 Manual Details

Coverage Areas

Engine Options Covered:

304 V8, 360 V8, 401 V8

Transmission Options Covered:

TH400 Automatic, T-18 Manual

Drivetrain Options Covered:

2WD, 4WD (Quadra-Trac)

Page Count

Estimated Page Count:

Manual Type

Manual Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, diagnosis, and repair of all engine variants (304, 360, 401 V8).

Fuel System:

Carburetor (Motorcraft 2150/2100, Rochester Quadrajet) adjustment, rebuilding, and diagnosis; fuel pump and lines.

Ignition System:

Distributor (points and electronic), spark plugs, ignition coils, timing adjustments.

Cooling System:

Radiator, water pump, thermostat, hoses, heater core replacement and repair.

Exhaust System:

Muffler, catalytic converter (if equipped), exhaust manifold, pipe repair and replacement.

Transmission Automatic:

Turbo Hydramatic 400 (TH400) overhaul, adjustments, troubleshooting, fluid and filter changes.

Transmission Manual:

T-18 manual transmission repair, clutch system, linkage adjustments.

Transfer Case:

Quadra-Trac system diagnosis, repair, and fluid services.

Drive Axles:

Front and rear axle differentials, axle shafts, U-joints, seals.

Suspension System:

Leaf spring suspension (front and rear), shocks, bushings, ball joints, steering linkage.

Steering System:

Power steering pump, gearbox, steering column, tie rods, alignment specifications.

Brake System:

Front disc brakes, rear drum brakes, master cylinder, brake lines, calipers, wheel cylinders, parking brake.

Electrical System:

Wiring diagrams, charging system (alternator, battery), starting system (starter motor), lighting, instrumentation, fuses, relays.

Body And Frame:

Body panel removal/installation, rust repair, frame inspection and straightening, door mechanisms, glass replacement.

HVAC System:

Heater core, blower motor, air conditioning (if equipped) diagnosis and repair.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, tune-ups, fluid level checks, lubrication.

Engine Overhaul:

Complete engine rebuilding procedures, including piston ring replacement, bearing service, cylinder head repair.

Transmission Repair:

Detailed steps for disassembling, inspecting, replacing parts, and reassembling automatic and manual transmissions.

Brake Service:

Pad and shoe replacement, rotor/drum resurfacing or replacement, bleeding procedures.

Suspension And Steering Repair:

Component replacement (shocks, ball joints, tie rods), alignment adjustments.

Electrical Troubleshooting:

Diagnostic procedures for common electrical faults, using wiring diagrams.

Body Repair:

Panel alignment, dent removal, rust treatment, glass installation.

Diagnostic Charts:

Troubleshooting guides and symptom-based diagnostic flowcharts.

Technical Depth

Depth Of Coverage:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds.

Diagnostic Capabilities:

Detailed diagnostic procedures, specifications, and troubleshooting flowcharts.

Torque Specifications:

All critical torque values for fasteners across all systems.

Clearances And Tolerances:

Engine bearing clearances, piston ring gap, valve lash specifications.

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Quality:

High-resolution, suitable for printing.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Searchability

Searchable Text:

Yes (Text-based PDF)

Navigability

Hyperlinked Table Of Contents:

Likely present in factory manuals for easy navigation.

⚙️ Engine Specifications

Primary Engine

Engine Code 304:

304 V8

Displacement 304:

5.0 Liters (304 cubic inches)

Bore Stroke 304:

3.75 in. x 3.438 in.

Compression Ratio 304:

8.4:1 (approx.)

Horsepower 304:

150-170 HP (est.)

Torque 304:

230-250 lb-ft (est.)

Engine Options

Engine Code 360:

360 V8

Displacement 360:

5.9 Liters (360 cubic inches)

Horsepower 360:

175-195 HP (est.)

Torque 360:

280-310 lb-ft (est.)

Engine Code 401:

401 V8

Displacement 401:

6.6 Liters (401 cubic inches)

Horsepower 401:

170-185 HP (est.)

Torque 401:

300-330 lb-ft (est.)

Performance

Carburetor Type:

2-barrel (Motorcraft 2150/2100 or Rochester Quadrajet on some models)

Fuel System

Fuel Type:

Unleaded Gasoline

Fuel Pump Type:

Mechanical

🔧 Transmission

Standard

Standard Transmission:

TH400 Automatic (3-speed)

Optional

Optional Transmission:

T-18 Manual (4-speed)

Features

Transfer Case:

Quadra-Trac (full-time 4WD system)

Transmission Fluid Th400:

Dexron II (or equivalent)

Transmission Fluid T18:

API GL-4, SAE 80W-90 gear oil

📐 Dimensions

Exterior

Wheelbase:

104.5 inches

Length:

179.2 inches

Width:

70.0 inches

Height:

66.0 inches

Weights

Curb Weight Approx:

4000-4500 lbs (depending on configuration)

Gross Vehicle Weight Rating Approx:

5500-6000 lbs

Towing Capacity Approx:

5000-7000 lbs (depending on engine and axle ratio)

🛡️ Safety Features

Ratings

Crash Test Data:

No specific government crash test ratings readily available for this era; relied on robust construction.

Active Features

Braking System:

Front Disc, Rear Drum (power assist optional)

Four Wheel Drive:

Standard Quadra-Trac full-time 4WD system for enhanced traction.

Passive Features

Seatbelts:

Lap and shoulder belts (front), lap belts (rear).

Rollover Protection:

Integral roll bar structure within the roof and pillars.

💡 Technology Features

Infotainment

Audio System:

AM/FM radio, optional cassette player. Basic analog instrumentation.

Driver Assistance

Antilock Brakes:

Not available.

Cruise Control:

Optional feature.

Connectivity

Connectivity Features:

None.

🔧 Maintenance

Service Intervals

Oil Change Interval:

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

Tune Up Interval:

Every 12,000-15,000 miles or 12 months.

Transmission Fluid Change Interval:

Every 24,000-36,000 miles or 24 months.

Fluid Specifications

Engine Oil Type:

SAE 10W-30 or 10W-40 (API SF or SG rating).

Engine Oil Capacity:

5 Quarts (with filter, for V8 engines).

Coolant Type:

50/50 mix of ethylene glycol antifreeze and distilled water.

Brake Fluid Type:

DOT 3

Power Steering Fluid:

ATF Dexron II (or equivalent).

Differential Fluid Front Rear:

API GL-5, SAE 80W-90 (or SAE 75W-90 synthetic).

Known Issues

Common Rust Locations:

Wheel wells, rocker panels, rear quarter panels, tailgate.

Quadratrac Maintenance:

Regular fluid checks and changes are crucial to prevent wear.

Carburetor Tuning:

Carburetors can require frequent adjustment due to age and potential vacuum leaks.

Electrical Gremlins:

Aging wiring and connectors can lead to intermittent electrical issues.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long history of producing rugged, off-road capable vehicles since WWII.

Model Evolution

Cherokee Sj Introduction:

The SJ Cherokee (full-size) was introduced in 1974 as a two-door model, expanding to four-door configurations later.

Cherokee Sport Trim:

The 'Sport' trim level was a common offering, often denoting a more basic or value-oriented package, but still with robust Jeep capabilities.

Production

Production Period Sj:

1974-1983

Manufacturer:

American Motors Corporation (AMC)

🏆 Awards & Recognition

Recognitions

Off Road Capability Ranking:

Consistently ranked among the most capable off-road vehicles of its era.

Build Quality Reputation:

Known for its durable construction and ability to withstand demanding use.