The service and repair manual for the 1990 Plymouth Horizon — the 2.2L I4 engine, 1 trim. Matched to this exact model year, so the specifications and sequences are the ones Plymouth published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1990 |
|---|---|
| Engines | 2.2L I4 — SOHC |
| Trims | Base Hatchback 4-Door |
| Federal record | 2 recalls · 3 complaints · 11 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Horizon manual
03 / ContentsSections in the manual
- Quick Lookups 64
- General Information 1,416
- Accessories & Equipment 196
- Heating, Ventilation & A/C (HVAC) 168
- Brakes 76
- Maintenance 78
- Drivelines & Axles 25
- Restraints 48
- Electrical 213
- Steering 148
- Engine Mechanical 135
- Suspension 61
- Engine Performance 605
- Transmission 108
- Dual-Function Switch Mounting 17
- Multi-Function Switch Retaining 17
- Steering Column Cover Screws 17
04 / Known issuesRecalls on federal record for the 1990 Horizon
- Engine And Engine Cooling — engine · 89V237000The leakage of oil in the engine compartment could causea fire.
- Suspension · 08E033000The nuts included in the packaging for these ball joint assemblies are missing the intended prevaili.
Owners have filed 3 complaints and Plymouth has issued 11 technical service bulletins for the 1990 Horizon. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Horizon manual
Is this manual specific to the 1990 Horizon?
Yes. It is the OEM manual matched to the 1990 model year, covering the 2.2L I4 across the Base Hatchback 4-Door trims. Specifications and procedure sequences are the ones Plymouth published for this year.
What 1990 Horizon problems does it help with?
2 recalls are on federal record for the 1990 Horizon, covering engine and engine cooling, suspension. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Plymouth dealers.
Does it include 1990 Horizon 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 Horizon years and 1990 Plymouth models
1989 Horizon · 1988 Horizon · 1987 Horizon · 1986 Horizon · 1985 Horizon · 1984 Horizon · all 9 years
1990 Plymouth Acclaim · 1990 Plymouth Colt · 1990 Plymouth Grand Voyager · 1990 Plymouth Laser · 1990 Plymouth Sundance · 1990 Plymouth Voyager · every 1990 model