Brake fluid VW Touareg III (2018–2023) — DOT 4 Plus specification
Brake fluid for VW Touareg III (2018–2023) — required specification, boiling points, system volume, and approved brands.
Technische specificaties
| Parameter | Value |
|---|---|
| Merk / Model | VW Touareg III |
| Productiejaren | 2018–2023 |
| Vloeistofspecificatie | DOT 4 Plus |
| Droog kookpunt | 260°C |
| Nat kookpunt | 165°C |
| Systeemvolume | 600 ml |
| Verversingsinterval | 60 000 km / jaar |
Goedgekeurde merken
ATE SL DOT 4 Plus / Castrol DOT 4 LLT / Pentosin Super DOT 4 Plus
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). VW requires DOT 4 Plus with a dry boiling point of at least 260°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)
Veelgestelde vragen
What brake fluid does VW Touareg III use?
DOT 4 Plus specification. Droog kookpunt: 260°C. Systeemvolume: 600 ml. Goedgekeurde merken: ATE SL DOT 4 Plus / Castrol DOT 4 LLT / Pentosin Super DOT 4 Plus.
How often should I change brake fluid in VW Touareg III?
Every 60 000 km or every jaar — 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 4 Plus.
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