The service and repair manual for the 1986 Oldsmobile Firenza — 2.0L I4 and 1.8L I4 and 2.8L V6 engines, 8 trims. Matched to this exact model year, so the specifications and sequences are the ones Oldsmobile published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1986 |
|---|---|
| Engines | 2.0L I4 — OHV 1.8L I4 — SOHC 2.8L V6 — OHV |
| Trims | Cruiser Wagon 4-Door · LC Coupe 2-Door · GT Hatchback 2-Door · Base Sedan 4-Door · Cruiser LX Wagon 4-Door · Base Coupe 2-Door +2 |
| Federal record | 1 recall · 1 complaints · 1 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 Firenza manual
03 / ContentsSections in the manual
- Quick Lookups 68
- Engine Performance 1,626
- Accessories & Equipment 264
- General Information 1,528
- Body & Frame 71
- Heating, Ventilation & A/C (HVAC) 183
- Brakes 73
- Maintenance 43
- Drivelines & Axles 15
- Steering 139
- Electrical 157
- Suspension 54
- Engine Mechanical 309
- Transmission 245
04 / Known issuesRecalls on federal record for the 1986 Firenza
- Exterior Lighting — tail lights · 86V062000The right rear tail lamp assembly may be incorrectly assembled. the misassembled units will result in reduced illumination which will cause the lamp assembly to be in non-compliance with fmv.
Owners have filed 1 complaints and Oldsmobile has issued 1 technical service bulletins for the 1986 Firenza. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 Firenza manual
Is this manual specific to the 1986 Firenza?
Yes. It is the OEM manual matched to the 1986 model year, covering the 2.0L I4 and 1.8L I4 and 2.8L V6 across the Cruiser Wagon 4-Door, LC Coupe 2-Door, GT Hatchback 2-Door, Base Sedan 4-Door, Cruiser LX Wagon 4-Door, Base Coupe 2-Door, LX Sedan 4-Door, S Hatchback 2-Door trims. Specifications and procedure sequences are the ones Oldsmobile published for this year.
What 1986 Firenza problems does it help with?
1 recall is on federal record for the 1986 Firenza, covering exterior lighting. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Oldsmobile dealers.
Does it include 1986 Firenza wiring diagrams?
Yes — the complete wiring diagrams for the 1986 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 Firenza years and 1986 Oldsmobile models
1988 Firenza · 1987 Firenza · 1985 Firenza · 1984 Firenza · 1983 Firenza · 1982 Firenza · all 7 years
1986 Oldsmobile 98 · 1986 Oldsmobile Calais · 1986 Oldsmobile Custom Cruiser · 1986 Oldsmobile Cutlass · 1986 Oldsmobile Cutlass Calais · 1986 Oldsmobile Cutlass Ciera · 1986 Oldsmobile Cutlass Cruiser · 1986 Oldsmobile Cutlass Salon · 1986 Oldsmobile Cutlass Supreme · 1986 Oldsmobile Delta 88 · 1986 Oldsmobile Toronado · every 1986 model