Description
Factory Jeep Wrangler Workshop Manual (1987-1995)
This official factory-level workshop manual covers every first-generation Jeep Wrangler YJ built between 1987 and 1995, giving American owners and technicians the complete repair and service data they need for this iconic off-road platform.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 2.5L AMC 150 four-cylinder, 4.0L AMC 242 inline-six, 4.2L AMC 258 inline-six |
| Diesel | N/A |
| Transmissions | AX-5 5-speed manual, AX-15 5-speed manual, Peugeot BA 10/5 5-speed manual, A999 3-speed automatic |
| Drive | 4WD (Dana 30 front axle, Dana 35 or AMC 20 rear axle) |
| Model Years | 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 |
| Badge Twins | N/A |
Common Wrangler Repairs Covered
| System | Procedures |
|---|---|
| Cooling System | Radiator replacement, thermostat swap, and coolant flush addressing the known 4.0L overheating tendency on early YJ models |
| Transfer Case | Selec-Trac and Command-Trac rebuild, shift linkage adjustment, and seal replacement |
| Electrical System | Wiring diagram diagnostics, ignition module testing, and charging system repair for common YJ no-start faults |
| Front & Rear Axles | Dana 35 ring-and-pinion setup, differential rebuild, and u-joint replacement procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why does my 4.0L YJ keep overheating, and does the manual cover the fix?
Yes. The early AMC 242 inline-six in the 1991-1995 YJ is known for overheating due to a restrictive radiator and marginal coolant capacity. The manual includes full cooling system service procedures: radiator removal and installation, thermostat replacement with torque specs, water pump overhaul, and flush intervals to address this issue correctly.
Which transfer cases are covered for this YJ generation?
The manual covers both Selec-Trac (full-time 4WD, NP 229 and NP 249) and Command-Trac (part-time 4WD, NP 207 and NP 231) units fitted to 1987-1995 Wrangler YJ models. Complete teardown, rebuild, and adjustment procedures are included for each unit.
Are the Peugeot BA 10/5 transmission repair procedures included?
Yes. The Peugeot-sourced BA 10/5 5-speed manual used in many early YJs has a reputation for synchronizer wear, and the manual addresses this with full disassembly, bearing replacement, and shift fork inspection procedures alongside coverage for the more robust AX-5 and AX-15 gearboxes.
What format is the manual?
The manual is delivered as a PDF file. After purchase you can download it immediately, search it by keyword, print individual pages, and access it on any Windows PC, Mac, tablet, or smartphone using any free PDF reader.
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