Fluid used in the brake system to transfer pedal pressure to the caliper to stop or slow a vehicle. Commonly used types of brake fluid include DOT 3, DOT 4, DOT 5, and DOT 5.1. A higher "DOT" number indicates a higher boiling point of the fluid.

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Vaxhall Astra H clutch problem

A couple of months ago I noticed some problems starting with the clutch; the pedal became extremely spongy and the biting point was right down at the bottom, expecially on cold starts first thing in ...
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2answers
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Mixing DOT 4 with DOT 4 synthetic

I couldn't see an existing question about this but please link to it if you know of one ... I should point out I'm English and the products described are bought in the UK, in case it makes a ...
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1answer
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Is it necessary to bleed brakes if the system is never opened?

Just wondering if there is a point to bleeding the brakes if the system is never opened, since it's effectively a closed system. For example, does the chemical change should the fluid reach boiling ...
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1answer
592 views

Skoda Fabia, flashes handbrake light and beeps 3 times

When I turn heavy or accelerate hard in my Skoda Fabia the handbrake light flashes approximately 5 times and beeps exactly 3 times.
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1answer
204 views

Ford Escort - Brake Fluid leak in car

I own a Ford Escort 1992, 1.9l, manual. Recently my default-idle had been really high and so I did some research and figured out that my brake booster probably broke. So I went to the junkyard and got ...
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My brake fluid all left on short notice. What gives?

During the very cold weather (here in Ohio) recently, I noticed the brakes on my 2000 Chevy Malibu were a little soft, and made a mental note to attend to them promptly. Then, over the course of 24 ...
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Could my brake problems be caused by a wrong kind of brake fluid?

The brake light is on in my 2007 Toyota Tacoma 4WD v6. The recurring pattern has been that I would fill up the brake fluid but then it would drop below the minimum mark after just a few days. It ...
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1answer
499 views

Brake fluid reservoir level drops fast to minimum but not below

The brake fluid reservoir level drops very fast in my 2007 4WD V6 Toyota Tacoma, probably within 3-5 days of filling it up. The funny thing is, it drops to just below where it says minimum but not ...
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Using DOT4+ in clutch/brakes when DOT3 is recommended?

Looking at Wikipedia's DOT 3 page, it looks like it's been effectively superseded by DOT 4 fluid, but it's still sold and is still recommended on many forums. This question has an answer saying DOT 4 ...
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what is the difference between DOT3 and DOT4 brake fluids?

What is the difference between DOT3 and DOT4 brake fluids? What could possibly go wrong if I use a (4 times cheaper) DOT3 brake fluid instead of the DOT4 which manufacturer recommends (but allows ...