Target Audience:
Do-it-yourselfers and experienced mechanics seeking comprehensive repair information.
Advantages Over Print:
More convenient, less expensive, instantly accessible, no expiry dates, printable pages.
Completeness:
Complete official full factory service repair manual.
Cost Savings:
Inexpensive way to maintain and repair the vehicle, saving on mechanic costs.
Ease Of Use:
Easy to use with step-by-step instructions and visual aids.
Engine Service Repair:
Detailed procedures for disassembly, inspection, repair, and reassembly.
Transmission Service Repair:
Coverage for manual and automatic transmissions, including overhaul and adjustment.
Brake System:
Service and repair for front and rear brakes, including hydraulic components and parking brake.
Wiring Diagram:
Comprehensive electrical schematics for all vehicle systems.
Electrical System:
Diagnosis and repair of starter, charging system, ignition, lighting, and accessories.
Suspension:
Front and rear suspension components, alignment, and shock absorber service.
Steering:
Service and repair for steering gear, linkage, and power steering system.
Cooling System:
Radiator, water pump, thermostat, and fan service.
Fuel System:
Carburetor, fuel pump, fuel lines, and fuel tank service.
Fuel Injection:
Diagnostic and repair information for fuel injection systems (if equipped).
Emission System:
Information on emission control devices and their servicing.
Heater Air Conditioning:
Service and repair for HVAC components.
Engine Control System:
Diagnosis and adjustment of engine management components.
Chassis Body:
Frame, body panels, doors, and exterior trim service.
Restraint System:
Information on seat belts and any other occupant restraint systems.
Interior:
Dashboard, seats, trim panels, and interior accessories.
Differential Drive:
Service and repair of front and rear differentials, drive shafts, and axles.
Axle:
Front and rear axle assemblies, including hub and wheel bearing service.
Periodic Lubrication:
Recommended lubrication points and schedules.
General Maintenance:
Routine checks, fluid changes, filter replacements, and tune-ups.
Troubleshooting:
Systematic approach to diagnosing common problems and their solutions.
Rebuild Procedures:
Detailed, step-by-step instructions for complete engine, transmission, and differential rebuilds.
Adjustment Procedures:
Calibration and adjustment of various vehicle systems (e.g., carburetor, brakes, ignition timing).
Installation Procedures:
Guidelines for replacing or installing various components.
Depth:
Comprehensive factory-level detail for both DIY enthusiasts and professional mechanics.
Diagnostic Information:
In-depth diagnostic procedures and troubleshooting trees.
Illustrations Photos:
Hundreds of photos and illustrations to guide each service and repair procedure.
Engine Options 1979 Cj7:
AMC 304 V8, AMC 258 "Stovebolt Six" Inline-6
Horsepower 258 I6 Approx:
118-135 HP (depending on tuning)
Torque 258 I6 Approx:
200-210 lb-ft (depending on tuning)
Horsepower 304 V8 Approx:
125-150 HP (depending on tuning)
Torque 304 V8 Approx:
230-240 lb-ft (depending on tuning)
Carburetor Typical:
Motorcraft 2150 2-barrel (for 258), Rochester Quadrajet 4-barrel or Motorcraft 4-barrel (for 304).
258 Inline 6 Casting Code:
Typically identified by the displacement (258) on the block.
304 V8 Casting Code:
Typically identified by the displacement (304) on the block.
Oil Change Interval:
Every 3,000 miles or 3 months (typical for this era).
Tune Up Interval:
Every 12,000-15,000 miles or 12 months (includes spark plugs, distributor cap, rotor, points if applicable).
Transmission Fluid Change:
Every 24,000-30,000 miles or 24 months.
Engine Oil Viscosity:
Typically SAE 10W-30 or SAE 10W-40 (consult manual for exact recommendation).
Coolant:
50/50 mixture of ethylene glycol antifreeze and water.
Brake Fluid:
DOT 3 brake fluid.
Manual Transmission Fluid:
GL-4 or GL-5 gear oil (e.g., 80W-90).
Automatic Transmission Fluid:
Dexron II (or equivalent).
Differential Fluid:
GL-5 gear oil (e.g., 80W-90), with potential for limited-slip additive if equipped with a locking differential.
Common Cj7 Issues:
Rust (especially in body mounts, floor pans, and rocker panels), aging rubber bushings and hoses, potential carburetor tuning issues, electrical component reliability.
Jeep Legacy:
Jeep has a long-standing heritage of producing rugged, off-road capable vehicles dating back to World War II.
Cj7 Introduction:
The CJ-7 was introduced in 1976, replacing the CJ-6 and complementing the shorter CJ-5. It offered a longer wheelbase and a more refined, comfortable ride.
Renedage Trim:
The Renegade trim, introduced in 1972 for the CJ-5 and carried over to the CJ-7, was an appearance package typically including fender flares, unique side stripes, and optional larger tires.
Production Period:
1976-1986
Manufacturer:
American Motors Corporation (AMC)