The service and repair manual for the 1990 Jeep Wrangler — 2.5L I4 and 4.2L I6 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Jeep published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1990 |
|---|---|
| Engines | 2.5L I4 — OHV 4.2L I6 — OHV |
| Trims | Base · Islander · Laredo · Sahara |
| Federal record | 1 recall · 105 complaints · 12 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Wrangler manual
03 / ContentsSections in the manual
- Quick Lookups 65
- General Information 1,398
- Accessories & Equipment 153
- Heating, Ventilation & A/C (HVAC) 143
- Brakes 67
- Maintenance 89
- Drivelines & Axles 44
- Steering 150
- Electrical 209
- Suspension 50
- Engine Mechanical 149
- Transmission 231
- Engine Performance 641
- Except Grand Wagoneer 23
- Grand Wagoneer 13
- Brake Line-to-Wheel Cylinder 13
- Wheel Cylinder Bolts 18
- Wheel Lug Nuts 75
- Brake Line-to-Master Cylinder 180
04 / Known issuesRecalls on federal record for the 1990 Wrangler
- Equipment · 04E041000Should this occur, the cockpit could cause injury by striking persons outside the vehicle or could b.
Owners have filed 105 complaints and Jeep has issued 12 technical service bulletins for the 1990 Wrangler. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Wrangler manual
Is this manual specific to the 1990 Wrangler?
Yes. It is the OEM manual matched to the 1990 model year, covering the 2.5L I4 and 4.2L I6 across the Base, Islander, Laredo, Sahara trims. Specifications and procedure sequences are the ones Jeep published for this year.
What 1990 Wrangler problems does it help with?
1 recall is on federal record for the 1990 Wrangler, covering equipment. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Jeep dealers.
Does it include 1990 Wrangler wiring diagrams?
Yes — the complete wiring diagrams for the 1990 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Wrangler years and 1990 Jeep models
1995 Wrangler · 1994 Wrangler · 1993 Wrangler · 1992 Wrangler · 1991 Wrangler · 1989 Wrangler · 1988 Wrangler · 1987 Wrangler · all 37 years
1990 Jeep Cherokee · 1990 Jeep Comanche · 1990 Jeep Grand Wagoneer · 1990 Jeep Wagoneer · every 1990 model