Brake fluid. Does it need changing every 5 minutes?

Discussion in 'Motorhome Chat' started by wingman, Jan 8, 2016.

  1. wingman

    wingman Funster

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    I booked a service today with a Peugeot main dealer. It was a 'first' service (20,000 miles or 2 years). I've done the two years, but only 8,400 miles!

    Once I had regained consciousness after suffering supra-ventricular tachycardia on hearing the cost, the receptionist says, "Well, I could include the £55 for changing the brake fluid in with the price"

    I could understand it if the fluid had bubbles in it and was black from 20 year's abuse by a throttle & brake merchant, but surely my brake fluid is in its virgin state!

    I declined the fluid change and negotiated a discount on the service BUT, does it really need to be changed every 'five minutes' or is this a ruse?
     
  2. scotjimland

    scotjimland Funster Life Member

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    Brake fluid is hygroscopic and should be changed as per schedule..

    not changing the fluid can result in brake fade due to moisture boiling and turning to steam in the slave cylinders.. so it's not a ruse..

    edit..

    more info here
    https://en.wikipedia.org/wiki/Brake_fluid
     
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  3. Wildbill

    Wildbill Funster

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    Mark one eye ball is it cloudy is it dirty no I changed mine when I changed my brake linings.
    I would think my brake fluid was original and was a clean as a whistle.
    in my humbill opinion you don't need to change it every service.
    if I have broken containment of the system I usually change it
    if for instance.
    I have changed out a master cylinder or slave cylinder .
    if I don't know the history of a vehicle a new vehicle to me
    but at 20000 Frome new NO
    regards bill
     
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  4. wingman

    wingman Funster

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    No Bill. It's not done 20,000 from new, it's only done 8,400. It's a 20,000 or 2 year service

    James
     
  5. Wildbill

    Wildbill Funster

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    each to there own it will be on the service schedule but I do mine as above but it is recommended ever 1to2 years
    bill
     
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  6. olley

    olley Funster

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    Get them to do a boil test, that will tell you if it needs changing.

    Ian
     
  7. Neckender

    Neckender Funster

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    What did they quote you wingman, as my Peugeot based Auto Sleeper is due in March 2 years old and 16,000 miles.

    John.
     
  8. Minxy Girl

    Minxy Girl Funster Life Member

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    Might be worth getting prices for a service from other places too, even main dealers, as they can differ quite a lot. As for the brake fluid change, it's part of the vehicle service requirements to maintain any warranty so needs to be done regardless of whether you think it's needed or not.
     
  9. jonandshell

    jonandshell Funster

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    Wait for a brake related recall and it gets changed for free!:)

    It's a SEVEL chassis you won't have to wait long!

    Only joking, but in all seriousness, Scotjimland's answer is textbook.
     
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  10. PeteH

    PeteH Funster

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    Lots have been written, over the years about the "need" to change the brake fluid. It is a recommendation that it be changed every couple of years ONLY because the fluid absorbs moisture from the atmosphere, that lowers the boiling point and can lead to loss of braking.

    Viz: A18 slight downhill into the village of Wraby (Melton Road if anyone knows it?.) 7tonne Pusher R-V, Towing Smart. Moderate braking, Oh poo! (stronger!) NO BRAKES, SWMBO says What`s Wrong? Me. No ******** brakes. Managed to get to a halt in the Bus lay-by at the bottom and jambed the tyre into the curb! Phew!! (Change underwear!!). Made some check`s plenty of fluid, no leaks, the the light bulb moment, The last fluid change had been 3 to 4 years earlier when the disks where replaced, sure enough about 3/4hrs later fired up and I now had braking. Found a site (behind Pub) in the village and spent the weekend changing the fluid.

    Lesson Learned. Change fluid in any vehicle that spends a lot of time standing!!, forget Mileage not relevant.

    Pete
     
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  11. Techno

    Techno Funster Life Member

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    Following another thread about the stopping fluid, I bought a moisture detector on recommendation of @dave newell lvs
    My 2009 Berlingo has Zero reading and so too does the motorhome that I bled two years or so ago.
    Unless you have a complete trustworthy mechanic I'd not trust that it gets done even when paid for.

    So in answer to the topic title NO
    I'd hazard a guess the £55 waived is no loss to them
     
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  12. steviebouy

    steviebouy Funster

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    No one has mentioned the corrosive effect of the "damp" fluid on the ferrous parts of the braking system leading to stuck pistons in the future.
    I've never had an incident caused by boiling fluid but plenty caused by "cheap" pads/linings. For the avoidance of doubt boiling fluid would allow the pedal to hit the floor as the steam produced is compressible whereas faded pads just lose their effectiveness and pressing the hard pedal gives little or no results.
    Steve
     
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  13. Techno

    Techno Funster Life Member

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  14. Wildbill

    Wildbill Funster

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  15. Badknee

    Badknee Funster

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    I use ally change the fluid when I bleed the brakes every two to three years on all my vehicles/bikes. It's not massively expensive stuff.
     
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  16. iandsm

    iandsm Funster

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    No, not every five minutes but every two years as recommended by the manufacturer. It might be a belt and braces approach but to ignore the recommendation if very foolish and could result in stopping distances in emergency being greatly increased as I once found out myself. Normal gentle braking will not show your fluid is not up to the mark, sudden violent braking with the resultant fast heat build up will.

    If you have the tools and belief in your own ability to test the fluid yourself and are competent then perhaps you could leave it longer but otherwise why, for the sake of £50 possibly put yourself and others in danger.
     
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  17. John Laidler

    John Laidler Funster

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  18. Techno

    Techno Funster Life Member

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    There's always the doubt that it was actually done and properly too. If in doubt test it yourself before they claim to have done it. If it passes no need if it fails then it should be better after taking your money
     
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  19. Techno

    Techno Funster Life Member

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    I tested mine on new fluid, my existing fluids and fluid with water added
     
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  20. Wildbill

    Wildbill Funster

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    So you make a control sample grate idea is it hard to get the fluid to absorb the water
    bill
     
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