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Author What Brake Fluid
Mertin
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Registered: 12th Oct 05
Location: Scotland
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5th Sep 11 at 15:30   View User's Profile U2U Member Reply With Quote

Just got a set of 312mm Audi TT calipers with Pagid pads, EBC USR discs and HEL braided lines.

Only ever run standard spec brake fluid in my cars, whats a good fluid that you would reccomend for when I come to fit the brakes and change my fluid at the same time?
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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5th Sep 11 at 15:34   View User's Profile U2U Member Reply With Quote

DOT 5.1 is the best for road use.
Mertin
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Registered: 12th Oct 05
Location: Scotland
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5th Sep 11 at 15:35   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by sand-eel
DOT 5.1 is the best for road use.

Now onto manufacturers
Any to avoid?
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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5th Sep 11 at 15:38   View User's Profile U2U Member Reply With Quote

Not really, its all the same stuff...prob just stay with known people like Motul, Casterol, Carlube etc
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Online
5th Sep 11 at 15:40   View Garage View User's Profile U2U Member Reply With Quote

Surely for road use DOT 4 is better as it's less hygroscopic?

Yes, the boiling point in DOT 5.1 is higher, but it takes on water a lot quicker...
Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
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5th Sep 11 at 15:40   View User's Profile U2U Member Reply With Quote

ATE super racing blue, euro car parts sell it
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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5th Sep 11 at 15:41   View Garage View User's Profile U2U Member Reply With Quote

Super Blue dot 4
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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5th Sep 11 at 15:41   View Garage View User's Profile U2U Member Reply With Quote

fuck u mieran
Mertin
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Registered: 12th Oct 05
Location: Scotland
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5th Sep 11 at 15:45   View User's Profile U2U Member Reply With Quote

The car likely isnt going to see a track, so you reckon just DOT4 will be ok?
Anyone used halfords brake fluid before? Would get it at trade price

[Edited on 05-09-2011 by Mertin]
Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
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5th Sep 11 at 15:48   View User's Profile U2U Member Reply With Quote

Go for the ATE, only £12 I think it was

No more brake fade
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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5th Sep 11 at 15:52   View Garage View User's Profile U2U Member Reply With Quote

get brilliant trade discounts on halfords stuff my 5.1 was almost half price!
pow
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Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
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5th Sep 11 at 15:59   View Garage View User's Profile U2U Member Reply With Quote

I use Halfords DOT4 in everything at home, never had an issue.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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5th Sep 11 at 16:02   View User's Profile U2U Member Reply With Quote

dont waste your money on designer brake fluids for a road car.

We use motorfactor dot5.1 in both track cars and have done for a number of years. If you are worried about it absorbing moisture - use a sealed cap!!! or use dot5.0 silcone based
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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5th Sep 11 at 16:08   View Garage View User's Profile U2U Member Reply With Quote

Can't use silicon based fluid in most cars though as it eats the seals, also, it's actually worse unless you're regularly changing it, as it's hygrophobic, so you get water and brake fluid separating in the system, which is a recipe for disaster.

As for using a sealed cap, most VAG cars use a sealed cap, but still require a change every 40k (according to the manufacturer's figues) if not sooner.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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5th Sep 11 at 16:30   View User's Profile U2U Member Reply With Quote

hmmm......

i thought the advantage of 5 was that it was less prone to water absorbtion.

I'd change brake fliud yearly - for the sake of £5
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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5th Sep 11 at 16:31   View User's Profile U2U Member Reply With Quote

ok, re-read your post and saw phobic
Toby
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Registered: 29th Nov 05
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5th Sep 11 at 19:17   View Garage View User's Profile U2U Member Reply With Quote

motul rbf 600 if you want fancy though

 
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