Brake fluid Hyundai Tucson NX4 (2020–2025) — DOT4 specification
Brake fluid for Hyundai Tucson NX4 (2020–2025) — required specification, boiling points, system volume, and approved brands.
Specifiche tecniche
| Parameter | Value |
|---|---|
| Marca / Modello | Hyundai Tucson NX4 |
| Anni di produzione | 2020–2025 |
| Specifica del liquido | DOT4 |
| Punto di ebollizione secco | 230°C |
| Punto di ebollizione umido | 155°C |
| Volume del sistema | 580 ml |
| Intervallo di sostituzione | 40 000 km / anni |
Marchi approvati
Hyundai Genuine, ATE SL.6, Liqui Moly DOT4
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). Hyundai requires DOT4 with a dry boiling point of at least 230°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 Hyundai Tucson NX4 use?
DOT4 specification. Punto di ebollizione secco: 230°C. Volume del sistema: 580 ml. Marchi approvati: Hyundai Genuine, ATE SL.6, Liqui Moly DOT4.
How often should I change brake fluid in Hyundai Tucson NX4?
Every 40 000 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: DOT4.
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