Brake fluid Subaru Forester SK (2018–2023) — DOT 3 specification
Brake fluid for Subaru Forester SK (2018–2023) — required specification, boiling points, system volume, and approved brands.
Specifiche tecniche
| Parameter | Value |
|---|---|
| Marca / Modello | Subaru Forester SK |
| Anni di produzione | 2018–2023 |
| Specifica del liquido | DOT 3 |
| Punto di ebollizione secco | 205°C |
| Punto di ebollizione umido | 140°C |
| Volume del sistema | 500 ml |
| Intervallo di sostituzione | 60 000 km / anni |
Marchi approvati
Subaru DOT 3 / ATE DOT 3 / Castrol DOT 3
Why Brake Fluid Must Be Changed Regularly
Brake fluid is hygroscopic — it absorbs moisture from the air over time. As moisture content increases, the boiling point drops significantly. When the fluid boils under heavy braking, vapour bubbles form and the pedal goes to the floor (vapour lock). Subaru requires DOT 3 with a dry boiling point of at least 205°C.
How to Check Brake Fluid Condition
- Test strips — dip a strip in the reservoir; colour indicates moisture content
- Electronic tester — measures boiling point directly (most accurate)
- Visual inspection — dark/brown fluid indicates it must be replaced (fresh fluid is amber/clear)
Domande frequenti
What brake fluid does Subaru Forester SK use?
DOT 3 specification. Punto di ebollizione secco: 205°C. Volume del sistema: 500 ml. Marchi approvati: Subaru DOT 3 / ATE DOT 3 / Castrol DOT 3.
How often should I change brake fluid in Subaru Forester SK?
Every 60 000 km or every anni — whichever comes first. This is a safety-critical service.
Can I mix different DOT grades?
You can mix DOT 3 and DOT 4 in an emergency, but never mix DOT 5 (silicone-based) with DOT 3/4 (glycol-based). Always use the correct specification: DOT 3.
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