Positioning:
The 1988 Jeep Cherokee (XJ) was a highly influential compact SUV, known for its unibody construction, off-road capability, and relatively compact size. It catered to adventurers, families, and those seeking a versatile vehicle.
Competitors:
Competed with vehicles like the Ford Bronco II, Chevrolet S-10 Blazer, and Nissan Pathfinder. The Cherokee's unibody design was a key differentiator offering a smoother ride than body-on-frame competitors.
Features:
Part-time and full-time 4WD options, legendary Jeep off-road prowess, comfortable interior for its class, durable powertrain options.
Powertrain:
Engine (2.5L I4, 4.0L I6), Transmission (manual & automatic), Transfer Case, Axles, Driveshafts
Chassis:
Suspension (front/rear leaf springs, coil springs for some models), Steering system, Brake system (disc front, drum rear), Wheel bearings, Hubs
Electrical:
Starting and charging system, Ignition system, Lighting system, Gauges and instruments, HVAC controls, Power windows/locks (if equipped), Radio system, Fuses and relays
Body:
Exterior body panels, Doors, Hood, Tailgate, Bumpers, Glass, Seals, Interior trim panels, Seats, Seat belts
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, belt inspection/replacement
Repair And Rebuild:
Engine disassembly and reassembly, transmission overhaul, clutch replacement, brake caliper/rotor service, suspension component replacement, radiator replacement, fuel pump replacement
Diagnostics:
Troubleshooting guides for common problems, diagnostic trouble codes (DTCs) if applicable (though limited for this era), symptom-based diagnostics
Specifications:
Torque specifications, fluid capacities and types, electrical specifications, engine timing, valve clearances
Adjustment:
Brake adjustment, clutch linkage adjustment, ignition timing adjustment
Depth:
Comprehensive, covering everything from basic maintenance to major component overhauls. Detailed diagrams and step-by-step instructions suitable for professional mechanics and advanced DIYers.
Engine Options:
2.5L (150 ci) AMC I4, 4.0L (242 ci) AMC I6
2.5L I4 Horsepower:
125 hp @ 4800 rpm (approx.)
2.5L I4 Torque:
145 lb-ft @ 2800 rpm (approx.)
4.0L I6 Horsepower:
177 hp @ 4700 rpm (approx.)
4.0L I6 Torque:
220 lb-ft @ 3200 rpm (approx.)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Recommended Fuel:
Unleaded gasoline
Spark Plug Type:
AC-Delco R43TS or equivalent
Ignition System:
Distributor-based ignition system with electronic control module (ECM)
Type 2.5L:
3-speed automatic (TorqueFlite A904) or 4-speed manual
Type 4.0L:
3-speed automatic (TorqueFlite A999) or 4-speed manual
Type:
4-speed manual transmission (NV242 Selec-Trac for some 4.0L models)
Transfer Case Options:
Command-Trac (2WD/4WD part-time), Selec-Trac (2WD/4WD full-time/part-time)
Automatic Transmission Fluid:
ATF+3 or equivalent
Manual Transmission Fluid:
GL-4 gear oil (e.g., SAE 75W-90)
NHTSA Ratings:
Likely not rated by NHTSA in the modern sense for this era; focus was on basic structural integrity.
ABS:
Optional on some models, particularly later in the production run.
Airbags:
Not standard on 1988 models. Driver-side airbag became available later in the XJ's life.
Seatbelts:
Standard 3-point front and lap rear seat belts.
Oil Change Interval:
Every 3,000 - 5,000 miles or 6 months, whichever comes first.
Transmission Service Interval:
Every 30,000 - 50,000 miles for automatic transmission fluid and filter change.
Coolant Flush Interval:
Every 2 years or 30,000 miles.
Engine Oil Type:
10W-30 or 10W-40 (depending on climate)
Engine Oil Capacity:
5 quarts (4.7L) for 2.5L I4, 6 quarts (5.7L) for 4.0L I6 (with filter)
Coolant Type:
Ethylene glycol based antifreeze (green)
Common Problems:
Rust (rocker panels, floor pans, tailgate), cooling system leaks (radiator, heater core), power steering pump issues, rear main seal leaks on the 4.0L I6, minor electrical gremlins.
Troubleshooting Focus:
Manual provides detailed steps for diagnosing and repairing these common issues, including electrical troubleshooting charts.
Heritage:
Jeep, a brand synonymous with off-road capability and ruggedness, has a history dating back to WWII.
Xj Introduction:
The XJ Cherokee was introduced for the 1984 model year, revolutionizing the SUV market with its unibody construction.
1988 Updates:
The 1988 model year saw minor refinements, including potential updates to the interior trim and options. The 4.0L I6 engine was becoming increasingly popular.
Production Years:
1984-2001 (North America)
