===
Components named
SERVICE BRAKES, HYDRAULIC
Source: NHTSA ODI investigations file, action PE89098. Text as published by NHTSA.
An investigation is a step in NHTSA's review, not a finding that a defect exists. NHTSA links no recall campaign to it.
===
Make, model and model years as listed in the investigation record.
| Make | Model | Model years |
|---|---|---|
| Buick | Electra | 1986 to 1988 |
| Buick | Lesabre | 1986 to 1988 |
| Cadillac | Deville | 1986 to 1988 |
| Cadillac | Fleetwood | 1986 to 1988 |
| Oldsmobile | 88 | 1986 to 1988 |
| Oldsmobile | 98 | 1986 to 1988 |
| Pontiac | Bonneville | 1987 to 1988 |