Apologies, another question. I need to bleed the whole brake system (and clutch) and have a can of Dot 4 Synthetic fluid. Is this the best fluid to use? Very grateful for any advice.
Best wishes
Mike
Brake Fluid
Started by
MikeJE
, Aug 31 2019 01:48 PM
8 replies to this topic
#1
MikeJE
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Posted 31 August 2019 - 01:48 PM
#2
Ethel
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Posted 31 August 2019 - 02:12 PM
DOT 4 is correct, see if it mentions glycol anywhere for reassurance.
#3
nicklouse
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Posted 31 August 2019 - 04:06 PM
you can sue and of the DOT3,DOT4,or DOT5.1 fluids. they are all mixable and work.
#4
MikeJE
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Posted 31 August 2019 - 06:27 PM
Brilliant! Thank you both...
Best wishes
Mike
#5
Rorf
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Posted 31 August 2019 - 08:18 PM
Apologies, another question. I need to bleed the whole brake system (and clutch) and have a can of Dot 4 Synthetic fluid. Is this the best fluid to use? Very grateful for any advice.
Best wishes
Mike
Dot 4 is definitely not synthetic; but is the correct brake fluid to use in the brake and clutch systems.
#6
Spider
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Posted 31 August 2019 - 08:22 PM
Apologies, another question. I need to bleed the whole brake system (and clutch) and have a can of Dot 4 Synthetic fluid. Is this the best fluid to use? Very grateful for any advice.
Best wishes
Mike
Dot 4 is definitely not synthetic; but is the correct brake fluid to use in the brake and clutch systems.
I did hear only this week of a 'Synthetic' DOT4 Fluid. I guess they are all 'Synthetic' really !!
I'd suggest a little cautious research here to find out what the fluid is (Glycol or Silicon or ??? based) and it's compatibility with other fluids. Some are, some aren't.
#7
gazza82
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Posted 01 September 2019 - 01:26 PM
Castrol React which was known as Response:
"Castrol Response Super DOT 4 is a high quality fully synthetic brake fluid that can withstand high load and high temperatures."
On Castrol site described as polyglycol ...
"Castrol Response Super DOT 4 is a high quality fully synthetic brake fluid that can withstand high load and high temperatures."
On Castrol site described as polyglycol ...
#8
Pete - W.Sussex
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Posted 01 September 2019 - 05:00 PM
DOT 3, 4 and 5.1 are all ‘synthetic’ and glycol ether based. DOT 5 is also synthetic but silicon based. It is hardly necessary to talk of any of them as being synthetic as it does not help differentiate them.
I think DOT 2 was mineral or veg oil based and therefore not synthetic but I’ve never seen any!
I think DOT 2 was mineral or veg oil based and therefore not synthetic but I’ve never seen any!
#9
MikeJE
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Posted 02 September 2019 - 12:52 PM
That's really helpful, thanks. The fluid I have is made by Comma and has the word 'synthetic' on the bottle so I think that confirms what Pete says. Very grateful for everyone's help as always
Best wishes
Mike
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