Vehicle Segment:
Compact Utility Vehicle (CUV) / Off-Road Vehicle
Target Audience:
Enthusiasts, restorers, mechanics working on vintage Jeep vehicles
Contemporary Rivals:
Willys MB/M38 (predecessors), International Harvester Scout (later models), Land Rover Series
Vehicle Philosophy:
Rugged, utilitarian, go-anywhere capability
Manual Purpose:
Provide definitive guidance for maintaining, repairing, and troubleshooting the 1958 Jeep CJ-5.
Engine:
Complete overhaul, tuning, fuel system, cooling system, lubrication system, ignition system, exhaust system
Transmission:
Manual transmission (T90) service, overhaul, clutch, drive shafts, transfer case
Chassis:
Frame inspection and repair, suspension (front and rear), steering system (worm and sector, linkages), front axle, rear axle
Brakes:
Hydraulic drum brake system service, master cylinder, wheel cylinders, brake shoes, brake lines, parking brake
Electrical:
12-volt electrical system, starter, generator/alternator (depending on build spec), battery, lighting, gauges, wiring diagrams
Body:
Body panels, doors, windshield, seats, fenders, tailgate, soft top and hardtop options (where applicable)
Maintenance:
Regular service intervals, lubrication points, fluid changes, filter replacements, tune-up procedures
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides
Repair:
Detailed step-by-step repair instructions for all major components and systems, including engine rebuilds, transmission overhauls, brake repairs
Diagnostics:
Component testing, electrical system diagnostics, engine performance diagnostics
Depth:
Comprehensive: Covers basic maintenance to full component rebuilds and advanced diagnostics.
Detail Level:
Exploded views, torque specifications, clearance measurements, wiring diagrams, detailed schematics
Engine Code:
Hurricane F-Head (F4-134)
Engine Type:
Inline 4-Cylinder, Overhead Valve (OHV)
Displacement:
2199 cc (134.2 cubic inches)
Bore X Stroke:
3.125 in x 4.375 in (79.4 mm x 111.1 mm)
Compression Ratio:
6.9:1 (Typical)
Horsepower:
75 hp @ 3600 RPM (SAE Gross)
Torque:
114 lb-ft @ 1600 RPM (SAE Gross)
Carburetor:
Carter W-ON (Model YF or similar, 1-barrel)
Fuel Type:
Unleaded Gasoline (Octane Rating may vary, consult manual)
Fuel Delivery:
Mechanical Fuel Pump
Ignition Type:
Distributor, Coil, Spark Plugs
Oil Capacity:
5 US Quarts (with filter) - Consult manual for exact capacity
Coolant Type:
Water/Antifreeze mixture (50/50 recommended)
Radiator Capacity:
Approx. 10-12 US Quarts (consult manual)
Transmission Type:
Manual
Gears:
3-Speed Forward, 1-Speed Reverse
Transfer Case:
Dana 18 (2-Speed, 4x4)
Transmission Fluid Type:
GL-4 Gear Oil (e.g., SAE 80W-90) - Consult manual for specific grade
Transfer Case Fluid Type:
GL-4 Gear Oil (e.g., SAE 80W-90) - Consult manual for specific grade
Wheelbase:
81 inches (2057 mm)
Overall Length:
145.3 inches (3690 mm)
Overall Width:
67.3 inches (1709 mm)
Overall Height:
Approx. 66 inches (1676 mm) (without top, variable)
Ground Clearance:
Approx. 8-10 inches (203-254 mm) (variable)
Curb Weight:
Approx. 2,400 - 2,700 lbs (1089 - 1225 kg)
Gross Vehicle Weight Rating:
Approx. 3,600 - 4,000 lbs (1633 - 1814 kg)
Payload Capacity:
Approx. 1,200 - 1,500 lbs (544 - 680 kg)
Towing Capacity:
Consult manual; typically around 1000-1500 lbs for trailer
Crash Testing Era:
Pre-dates modern standardized crash testing (NHTSA/IIHS)
Braking System:
Hydraulic drum brakes, front and rear. Parking brake operates rear brakes.
Steering System:
Worm and sector steering, manual
Seat Belts:
Optional or not standard equipment for the era; manual will detail installation if applicable.
Rollover Protection:
Basic structure; hardtop or rollbar optional and not typically factory-integrated.
Lighting:
Halogen or sealed-beam headlights, taillights, brake lights, turn signals (may vary by region/spec)
Oil Change Interval:
Every 2,000 - 3,000 miles or 3-6 months (consult manual for specifics)
Grease Points:
Weekly or bi-weekly lubrication of suspension, steering, and driveline U-joints recommended.
Tune Up Interval:
Every 6,000 - 12,000 miles (includes spark plugs, timing adjustment, carburetor adjustment)
Engine Oil Grade:
SAE 30 or SAE 10W-30 depending on climate (consult manual for exact recommendation)
Brake Fluid Type:
DOT 3 Hydraulic Brake Fluid (ensure correct type for vintage systems)
Coolant Specification:
Ethylene Glycol based antifreeze, mixed 50/50 with distilled water.
Common Wear Items:
Clutch wear, brake shoe wear, exhaust system rust, universal joint wear, differential seals, generator brushes (if equipped)
Engine Caracteristics:
Hurricane engine known for durability but can be thirsty and sensitive to ignition timing and carburetor adjustment.
Body Corrosion:
Susceptible to rust, particularly in floor pans, rear quarters, and tailgate.
Jeep Legacy:
Roots in World War II Willys MB, synonymous with off-road capability and ruggedness.
Cj Lineage:
CJ series is the civilian descendant of military Jeeps, the CJ-5 being a significant evolution from the CJ-3 series.
Cj5 Introduction:
Introduced in 1954 as a successor to the CJ-3, featuring a longer wheelbase and more rounded styling. 1958 represents a specific production year within this model run.
Engine Introduction F Head:
The F-Head 'Hurricane' engine was introduced in the CJ-3B and carried over to the CJ-5, offering improved performance over earlier L-head engines.
Manufacturer:
Willys Motors, Inc. (later Kaiser Jeep Corporation)
Production Period:
CJ-5 produced from 1954 to 1983.