The service and repair manual for the 1990 Buick Reatta — the 3.8L V6 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Buick published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1990 |
|---|---|
| Engines | 3.8L V6 — 232 cu in, OHV |
| Trims | Base Convertible 2-Door · Base Coupe 2-Door |
| Federal record | 4 recalls · 30 complaints · 1 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Reatta manual






03 / ContentsSections in the manual
- Quick Lookups 69
- General Information 1,529
- Accessories & Equipment 239
- Heating, Ventilation & A/C (HVAC) 236
- Body & Frame 133
- Maintenance 55
- Brakes 283
- Restraints 175
- Drivelines & Axles 19
- Steering 68
- Electrical 164
- Suspension 57
- Engine Mechanical 233
- Transmission 237
- Engine Performance 1,259
04 / Known issuesRecalls on federal record for the 1990 Reatta
- Air Bags — frontal · 90E043004Inflator component separation allows hot combustion gasesto escape into the passenger compartment wh.
- Service Brakes, Hydraulic — brake fluid low warning › lamp · 91V158000Vehicles would not meet the requirements of fmvss 101and 105.
- Air Bags — frontal › sensor/control module-inactive · 90V031000The reversal of the wires could cause delay in the deployment of the air bag and increase the severi.
- Power Train — automatic transmission › lever and linkage › floor shift · 90V164000Driver would not be able to determine actual gearposition the transaxle is in, which could result in.
Owners have filed 30 complaints and Buick has issued 1 technical service bulletins for the 1990 Reatta. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Reatta manual
Is this manual specific to the 1990 Reatta?
Yes. It is the OEM manual matched to the 1990 model year, covering the 3.8L V6 across the Base Convertible 2-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1990 Reatta problems does it help with?
4 recalls are on federal record for the 1990 Reatta, covering air bags, service brakes, hydraulic, power train. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Buick dealers.
Does it include 1990 Reatta 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 Reatta years and 1990 Buick models
1991 Reatta · 1989 Reatta · 1988 Reatta · all 4 years
1990 Buick Century · 1990 Buick Electra · 1990 Buick LeSabre · 1990 Buick Regal · 1990 Buick Riviera · 1990 Buick Skylark · every 1990 model