Vehicle Segment:
Compact SUV
Target Audience:
Enthusiasts, DIY mechanics, professional service technicians
Key Competitors 1987:
Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner
Vehicle Design Philosophy:
Rugged, off-road capable, practical utility vehicle
Engine:
Yes, comprehensive coverage
Transmission:
Yes, including manual and automatic
Drivetrain:
Yes, including 4WD/2WD systems
Suspension:
Yes, front and rear
Brakes:
Yes, including ABS if applicable
Electrical System:
Yes, including wiring diagrams
Routine Maintenance:
Yes, oil changes, filter replacements, etc.
Troubleshooting:
Yes, diagnostic procedures and common issues
Repair Procedures:
Yes, step-by-step instructions for major and minor repairs
Overhaul Procedures:
Yes, for major components like engines and transmissions
Adjustment Procedures:
Yes, for various systems
Installation Procedures:
Yes, for common replacement parts
Diagnostic Capability:
Advanced diagnostics with detailed symptom analysis and repair guidance
Rebuild Instructions:
Comprehensive rebuild procedures for engines, transmissions, and differentials
Wiring Diagrams:
Detailed electrical schematics for all circuits
Torque Specifications:
Extensive list of all critical torque specifications
Tolerances:
Specific machining tolerances for engine components and other critical parts
Transmission Type Std 4Cyl:
4-Speed Manual (AX-4)
Transmission Type Std 6Cyl:
5-Speed Manual (AX-5)
Transmission Type Opt 4Cyl:
3-Speed Automatic (TF-999)
Transmission Type Opt 6Cyl:
4-Speed Automatic (AW4)
Transfer Case Options:
Command-Trac (2WD/4WD Part-Time), Selec-Trac (2WD/4WD Full-Time)
Final Drive Ratios:
3.73:1, 4.10:1 (common options)
NHTSA Rollover Resistance:
3-star (for 1987 model year, varies by configuration)
ABS:
Optional on select models (rear-wheel ABS initially, later four-wheel)
Seat Belts:
3-point front, 2-point rear
Rollover Protection:
Integrated roll bar structure within the roof and pillars (part of unibody design)
Oil Change Interval:
Every 3,000 miles or 3 months, whichever comes first
Tire Rotation Interval:
Every 5,000 - 7,500 miles
Spark Plug Replacement:
Refer to manual, typically 30,000-60,000 miles depending on plug type
Engine Oil Type 4.0L:
API Service SG or SH, SAE 10W-30 or 10W-40
Engine Oil Type 2.5L:
API Service SG or SH, SAE 5W-30 or 10W-30
Coolant Type:
Ethylene Glycol based antifreeze (e.g., Mopar Antifreeze/Coolant MS-7170 or equivalent)
Transmission Fluid Type Aw4:
ATF+3 (Mopar) or Dexron III (Mercon compatible)
Transmission Fluid Type Tf-999:
ATF+3 (Mopar) or Dexron II/III
Transfer Case Fluid Type:
ATF+3 (Mopar) or Dexron III
Differential Fluid Type:
API GL-5, SAE 80W-90 (check for limited-slip additive if applicable)
4.0L Engine Common Issues:
Head gasket failures (later models more prone), cracked cylinder heads (pre-91), oil filter adapter housing leaks
Transmission Common Issues:
AW4 solenoids, planetary gear wear (high mileage); AX-4/AX-5 synchro issues
Suspension Common Issues:
Leaf spring sag, worn control arm bushings, track bar wear
Electrical Common Issues:
Corrosion in wiring harnesses, failing ignition switch, starter issues
Jeep Legacy:
Jeep has a long history of producing rugged, go-anywhere vehicles dating back to WWII Willys MB.
Cherokee Xj Introduction:
The XJ Cherokee was introduced for the 1984 model year, revolutionizing the SUV market as the first mass-produced unibody SUV.
1987 Updates:
Significant updates for 1987 included the introduction of the legendary 4.0L inline-six engine, replacing the less powerful 2.8L V6. Also received minor interior and exterior styling tweaks.
Cherokee Xj Production Years:
1984-2001
Vehicle Awards:
Jeep Cherokee (XJ) was widely praised for its off-road capability and on-road comfort, often featured in 'best of' lists for SUVs in its class.
Long Term Reliability Perception:
Generally good for its era, especially the 4.0L engine, though susceptible to age-related wear and tear.
