Target Audience:
DIY enthusiasts and professional mechanics.
Value Proposition:
Provides comprehensive, accurate, and easy-to-follow repair information for the Jeep Wrangler YJ.
Ease Of Use:
Easy to read text, clear diagrams, and step-by-step instructions.
Information Quality:
Tested, effective techniques with manufacturer specifications.
Delivery Method:
Instant digital download, no shipping delays.
Engine:
Complete engine service, repair, and overhaul procedures.
Transmission:
Service and repair for 4WD transfer case and transmission.
Drivetrain:
Front and rear axle, driveshafts, and CV joints.
Brakes:
Brake system diagnosis, repair, and component replacement (e.g., pads, rotors, calipers).
Suspension:
Front and rear suspension components, including springs, shocks, and linkages.
Steering:
Steering system diagnosis, repair, and component replacement (e.g., steering box, tie rods).
Electrical:
Wiring diagrams, electrical component testing, and troubleshooting.
Body:
Body panel repair, door mechanisms, interior trim, and convertible top.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, and general upkeep.
Troubleshooting:
Diagnostic procedures for common and uncommon faults.
Repair:
Step-by-step repair instructions for virtually all vehicle systems.
Diagnostics:
Methods for identifying and resolving mechanical and electrical issues.
Rebuild:
Detailed procedures for engine, transmission, and axle rebuilds.
Depth:
Comprehensive, covering both basic DIY tasks and advanced professional-level repairs.
Diagrams:
High-quality diagrams, exploded views, and illustrations.
Specifications:
Includes all manufacturer specifications and technical data.
Engine Type:
4.0L Inline 6-Cylinder (Common for YJ in this era)
Engine Code:
242 cid (AMC 4.0L OHV)
Horsepower:
Approximately 180-190 hp (specific to 1994 model year)
Torque:
Approximately 220-230 lb-ft (specific to 1994 model year)
Fuel Delivery:
Electronic Fuel Injection (EFI) with Multi-Point Injection (MPI)
Fuel Type:
Unleaded gasoline
Ignition System:
Distributorless Ignition System (DIS) or Coil-on-Plug (COP) depending on exact build date.
Transmission Type:
AX-15 5-speed Manual Transmission
Transmission Type:
32RH 3-speed Automatic Transmission
Transfer Case:
NV231 Command-Trac 2-speed Transfer Case
Manual Transmission Fluid:
API GL-3 or GL-4 gear oil (SAE 75W-90 or 80W-90 recommended)
Automatic Transmission Fluid:
ATF+3 or equivalent
Transfer Case Fluid:
ATF+3 or equivalent
NHTSA Rollover Resistance:
3-star rating (typical for this era and vehicle type)
ABS:
Available on rear wheels, possibly optional front ABS.
Airbags:
Driver-side airbag (standard for 1994 MY)
Seat Belts:
Lap and shoulder belts
Oil Change:
Every 3,000 miles or 3 months (typical recommendation for this era).
Engine Coolant Flush:
Every 30,000 miles or 24 months.
Spark Plug Replacement:
Approximately every 30,000 - 60,000 miles (depending on plug type).
Engine Oil Spec:
API SG, SH, or SJ rated 10W-30 or 10W-40 (consult manual for exact capacity).
Coolant Spec:
Ethylene glycol-based antifreeze (green type, 50/50 mix with distilled water).
Brake Fluid Spec:
DOT 3 brake fluid.
Common Problems Yj:
Leaf spring perches cracking (YJ still used some leaf spring components in front), rust (body, frame), heater core leaks, typical aging electrical components, clutch wear (manual transmissions).
Engine Common Issues:
Oil leaks (valve cover, oil pan), distributor drive gear wear (if applicable), exhaust manifold cracks.
Brand Legacy:
Jeep has a long-standing heritage in off-road vehicles, dating back to WWII.
Yj Generation Era:
1987-1995, known for its coil-spring suspension replacing the CJ's leaf springs.
Key Yj Design Change:
The YJ introduced the distinctive square headlights, a departure from previous CJ models.
Manufacturer:
American Motors Corporation (AMC) / Chrysler Corporation (post-1987 acquisition)