The service and repair manual for the 1986 Cadillac DeVille — the 4.1L V8 engine, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Cadillac published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1986 |
|---|---|
| Engines | 4.1L V8 — OHV |
| Trims | d'Elegance Coupe 2-Door · Touring Coupe 2-Door · Touring Sedan 4-Door · d'Elegance Sedan 4-Door |
| Federal record | 1 recall · 27 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 DeVille manual
03 / ContentsSections in the manual
- Quick Lookups 68
- Engine Performance 1,242
- Accessories & Equipment 319
- General Information 1,544
- Body & Frame 132
- Heating, Ventilation & A/C (HVAC) 121
- Brakes 156
- Maintenance 46
- Drivelines & Axles 15
- Steering 124
- Electrical 170
- Suspension 87
- Engine Mechanical 161
- Transmission 170
- Front Bracket Bolts 41
- Mounting Nuts 21
04 / Known issuesRecalls on federal record for the 1986 DeVille
- Exterior Lighting — headlights › switch · 86V056000The push-pull headlight switch may have electrical contacts which allow an intermittent headlight circuit causing headlight to flicker or suddenly go out.
Owners have filed 27 complaints and Cadillac has issued 0 technical service bulletins for the 1986 DeVille. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 DeVille manual
Is this manual specific to the 1986 DeVille?
Yes. It is the OEM manual matched to the 1986 model year, covering the 4.1L V8 across the d'Elegance Coupe 2-Door, Touring Coupe 2-Door, Touring Sedan 4-Door, d'Elegance Sedan 4-Door trims. Specifications and procedure sequences are the ones Cadillac published for this year.
What 1986 DeVille problems does it help with?
1 recall is on federal record for the 1986 DeVille, covering exterior lighting. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Cadillac dealers.
Does it include 1986 DeVille 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 DeVille years and 1986 Cadillac models
1992 DeVille · 1991 DeVille · 1990 DeVille · 1989 DeVille · 1988 DeVille · 1987 DeVille · 1985 DeVille · 1984 DeVille · 1983 DeVille · 1982 DeVille · all 24 years
1986 Cadillac Cimarron · 1986 Cadillac Commercial Chassis · 1986 Cadillac Eldorado · 1986 Cadillac Fleetwood · 1986 Cadillac Seville · every 1986 model