The service and repair manual for the 1990 Jeep Wagoneer — the 4.0L I6 engine, 1 trim. 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 | 4.0L I6 — OHV |
| Trims | Limited |
| Federal record | 5 recalls · 18 complaints · 10 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Wagoneer manual




03 / ContentsSections in the manual
- Quick Lookups 69
- Engine Performance 837
- Accessories & Equipment 186
- General Information 1,398
- Body & Frame 33
- Heating, Ventilation & A/C (HVAC) 115
- Brakes 243
- Maintenance 91
- Drivelines & Axles 76
- Steering 137
- Electrical 172
- Suspension 49
- Engine Mechanical 162
- Transmission 250
- Master Cylinder Push Rod Through Bolt 25
- Wheel Speed Sensor Bolt 11
- Master Cylinder Push Rod Through Nut 75
04 / Known issuesRecalls on federal record for the 1990 Wagoneer
- Service Brakes, Hydraulic — antilock/traction control/electronic limited · 96V260000If this occurs, the abs function would be lose and reduced power assist would be experienced during.
- Service Brakes, Hydraulic — foundation components › hoses, lines/piping, a · 91V063000Detachment of the hose from the abs system causes theloss of the abs function and hydraulic brake as.
- Service Brakes, Hydraulic — foundation components › disc › rotor · 98V005000The reduced strength can allow the cast iron wear surface to separate from the hub, reducing the bra.
- Service Brakes, Hydraulic — foundation components › hoses, lines/piping, a · 91V003000Contamination of the hydraulic fluid can causemalfunctioning of the anti-lock brake system; low pres.
- Vehicle Speed Control — cruise control · 90V177000High engine idle when car is first placed in gear couldresult in unexpected acceleration.
Owners have filed 18 complaints and Jeep has issued 10 technical service bulletins for the 1990 Wagoneer. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Wagoneer manual
Is this manual specific to the 1990 Wagoneer?
Yes. It is the OEM manual matched to the 1990 model year, covering the 4.0L I6 across the Limited trims. Specifications and procedure sequences are the ones Jeep published for this year.
What 1990 Wagoneer problems does it help with?
5 recalls are on federal record for the 1990 Wagoneer, covering service brakes, hydraulic, vehicle speed control. 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 Wagoneer 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 Wagoneer years and 1990 Jeep models
1989 Wagoneer · 1988 Wagoneer · 1987 Wagoneer · 1986 Wagoneer · 1985 Wagoneer · 1984 Wagoneer · all 12 years
1990 Jeep Cherokee · 1990 Jeep Comanche · 1990 Jeep Grand Wagoneer · 1990 Jeep Wrangler · every 1990 model