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Joined: Apr 2014
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Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
Posts: 3,547 Likes: 4 |
Testing it at the reservoir end is pointless when all the work and degradation occurs at the business end.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3)
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Joined: Aug 2011
Posts: 898
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2011
Posts: 898 |
Do not for a moment trust the majority of brake fluid testers.
The ones that work boil the fluid and check the temperature that it boils at and these are near £800 to £1,000.
The testers most garages have are a visual unit or an electric unit that tries to check water content via butting a current via the fluid.
There are no proven results from the cheaper units and very few garages can afford to purchase the very expensive units therefore I would change the fluid at the advised intervals.
As always there are people on this forum and other motoring talking shops that are proud as punch in saving the cost of changing brake fluid, not changing crush washers on drain plugs and not changing antifreeze and boast of driving on tyres over 10 years old.
To them a penny saved is a prisoner indeed.
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Joined: Apr 2008
Posts: 11,863 Likes: 137
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 11,863 Likes: 137 |
Testing it at the reservoir end is pointless when all the work and degradation occurs at the business end. Absolutely. Unless you can draw off a sample from each bleed nipple, it's not going to tell you much useful - although I have seen cars where the brake fluid was so bad even the fluid in the reservoir was brown.
Tim H. 1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: May 2010
Posts: 9,285 Likes: 69
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,285 Likes: 69 |
Do not for a moment trust the majority of brake fluid testers.
The ones that work boil the fluid and check the temperature that it boils at and these are near £800 to £1,000.
The testers most garages have are a visual unit or an electric unit that tries to check water content via butting a current via the fluid.
There are no proven results from the cheaper units and very few garages can afford to purchase the very expensive units therefore I would change the fluid at the advised intervals.
As always there are people on this forum and other motoring talking shops that are proud as punch in saving the cost of changing brake fluid, not changing crush washers on drain plugs and not changing antifreeze and boast of driving on tyres over 10 years old.
To them a penny saved is a prisoner indeed. This is oh so true. There comes a point where the “economies” become dangerous, lead to long term problems, breakdowns etc.. Yes.....look for good deals when buying oil/antifreeze,and others such as Halfords offers (I bought oil for two changes last time at the discounted offer) but, come on, when safety is a prime consideration there should be no corner cutting. My brake/clutch fluid is due a change this winter after 2 years. It will be done. Antifreeze too despite it looking ok. I do draw the line at replacing the air in the tyres with fresh Malvern Hills air though 
Plus Four MY23 Furka Rouge
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Joined: Sep 2014
Posts: 989
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: Sep 2014
Posts: 989 |
What about Malvern spring water for the washers?
2015 Morgan 4/4 (Wolf fettled) previously 2014 M3W MINI Cooper S and numerous BMC/BL relics.
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Joined: May 2015
Posts: 327
Learner Plates Off!
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Learner Plates Off!
Joined: May 2015
Posts: 327 |
Another issue is the fact that morgan still uses carbon steel brake pipes. Some manufactures have eventually moved to cupro nickel with brass fittings, both far more noble metals! And therefore no internal corrosion should take place (due water ingress). Its a job i'm scheduling this winter just for my own satisfaction....change out all of the hard piping to cupro-nickel. I did it on the elise at 17 years old but the pipework that was out of sight was terribly corroded..... i'm ashamed of myself!
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Joined: Apr 2008
Posts: 11,863 Likes: 137
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 11,863 Likes: 137 |
Another issue is the fact that morgan still uses carbon steel brake pipes. I'm amazed to read that. Mine were replaced with Kunifer (cupro-nickel) years ago, I didn't think anyone still used steel. No wonder some of the guys report fluid degradation after only a couple of years.
Tim H. 1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Aug 2011
Posts: 898
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2011
Posts: 898 |
Testing it at the reservoir end is pointless when all the work and degradation occurs at the business end. +2
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Joined: Aug 2011
Posts: 898
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2011
Posts: 898 |
Mazda, Subaru and Suzuki still use mild steel brake tubing.
November 2016 our 2007 Suzuki Jimny ( 65,000 miles ) had brake failure due to corrosion just an inch or so from where the tubing was plastic covered.
In 2015 our 2005 Subaru Impreza ( 85,000 miles ) had brake failure due to a broken brake pipe caused by corrosion.
Last edited by Eddie Cairns; 08/10/17 11:19 AM.
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Joined: Aug 2015
Posts: 1,576 Likes: 103
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Aug 2015
Posts: 1,576 Likes: 103 |
I'm surprised at the number of otherwise intelligent folk who keep a half opened bottle of non silicone brake fluid on the workshop shelf.
Once that foil seals broken and hydroscopic nature of brake fluid, its hard to keep the water out
Arwyn
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