Renault 9, X42 (EU)
Brake fluid capacity & service interval
Renault 9, X42 (EU) models utilize brake fluid with a capacity range of 0.45 to 0.55 liters. Service intervals occur every 50000 km or 36 months. The data covers 6 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| 9 1.7 (1984-1989) |
|
| 9 1.1 (1981-1989) |
|
| 9 1.4 (44 kW) (1981-1989) |
|
| 9 1.4 (50 kW) automatic (1981-1989) |
|
| 9 1.4 (53 kW) (1981-1989) |
|
| 9 1.6 D (1981-1989) |
|
Additional Notes
- Brake fluid capacity across all Renault 9 X42 configurations is expressed as "between min and max" rather than a fixed volume. This indicates the reservoir has marked minimum and maximum lines, and the correct fill level falls within that range rather than at a precise measured quantity.
- The 50,000 km or 36-month change interval applies under normal use conditions across all listed configurations, from the 1.1 petrol to the 1.6 D diesel. Whichever threshold is reached first would trigger the service, making the 36-month time limit relevant for low-mileage vehicles that may not reach 50,000 km within three years.
- Brake fluid is hygroscopic, meaning it absorbs moisture from the atmosphere over time. The 36-month interval reflects this property, as fluid degradation through moisture absorption occurs regardless of distance driven.
- The 1.4-litre engine family appears in three distinct output variants across the 1981-1989 range: 44 kW, 50 kW automatic, and 53 kW. Despite differences in power output and transmission type, all three share the same brake fluid change interval and fill specification.
- The 1.7-litre variant carries a start year of 1984, distinguishing it from the other configurations that begin in 1981. All other specifications for the hydraulic brake system remain consistent with the rest of the lineup.
- The 1.6 D is the sole diesel configuration listed among the Renault 9 X42 brake fluid entries. Brake fluid service intervals for the 1.6 D are identical to those of the petrol variants, reflecting that the hydraulic brake system specification is independent of engine type or fuel.