The service and repair manual for the 1984 Plymouth Horizon — 1.6L I4 and 2.2L I4 engines, 2 trims. 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 | 1984 |
|---|---|
| Engines | 1.6L I4 — 97 cu in, SOHC 2.2L I4 — SOHC |
| Trims | SE Hatchback 4-Door · Base Hatchback 4-Door |
| Federal record | 1 recall · 2 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1984 Horizon manual
03 / ContentsSections in the manual
- Quick Lookups 56
- General Information 1,391
- Accessories & Equipment 137
- Heating, Ventilation & A/C (HVAC) 103
- Brakes 71
- Maintenance 78
- Drivelines & Axles 18
- Steering 104
- Electrical 188
- Suspension 56
- Engine Mechanical 131
- Transmission 119
- Engine Performance 439
04 / Known issuesRecalls on federal record for the 1984 Horizon
- Fuel System, Gasoline — delivery › hoses, lines/piping, and fittings · 84V147000The potential for fuel leakage exists in the engine compartment at the fuel reservoir seam and its hose connections. the fuel reservoir is a silver colored can mounted to the air cleaner.
Owners have filed 2 complaints and Plymouth has issued 0 technical service bulletins for the 1984 Horizon. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1984 Horizon manual
Is this manual specific to the 1984 Horizon?
Yes. It is the OEM manual matched to the 1984 model year, covering the 1.6L I4 and 2.2L I4 across the SE Hatchback 4-Door, Base Hatchback 4-Door trims. Specifications and procedure sequences are the ones Plymouth published for this year.
What 1984 Horizon problems does it help with?
1 recall is on federal record for the 1984 Horizon, covering fuel system, gasoline. 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 1984 Horizon wiring diagrams?
Yes — the complete wiring diagrams for the 1984 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 1984 Plymouth models
1990 Horizon · 1989 Horizon · 1988 Horizon · 1987 Horizon · 1986 Horizon · 1985 Horizon · 1983 Horizon · 1982 Horizon · all 9 years
1984 Plymouth Caravelle · 1984 Plymouth Colt · 1984 Plymouth Conquest · 1984 Plymouth Gran Fury · 1984 Plymouth Reliant · 1984 Plymouth Turismo · 1984 Plymouth Turismo 2.2 · 1984 Plymouth Voyager · every 1984 model