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Do I have to bleed all 4 calipers at once in fluid change? S70 2000

posted by  MAT on  Wed Apr 7 07:40 CST 2004
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last visit: Tue Oct 21 23:51 CST 2008
[RELATED]

I'm doing pads front and rear this weekend - will flush brake fluid as well.

When I watched it being done at Volvo the first time (2 years ago) - the mechanical sucked all the fluid out of the reservoir - topped it up with fresh - cracked ALL FOUR bleeders - and passed 3 tins of fluid through.

Easy for him - it was on a lift!

Do I have to crack all breeders at once? Are there pairs that I can do and achieve the same effect? Just drain the first line 3 times longer than the rest?

If I must do all four - I guess I will find a "bleeder" size chunk of tubing for each wheel - and crack them all without removing 4 tires.

Sure be easier to do them one at a time!

THx for your help,

MAT







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    Do I have to bleed all 4 calipers at once in fluid change? S70 2000

    posted by  someone claiming to be Ray N. on  Wed Apr 7 08:11 CST 2004 [RELATED]

    This thread has a good discussion of bleed order:

    http://www.brickboard.com/AWD/?id=606516

    When I do mine I bleed one at a time (I forget the order I used).

    I remove as much fluid as possible from the resevoir and then top
    up with fresh. Then I use the Motive pressure bleeder which makes
    the task pretty easy:

    http://www.motiveproducts.com/

    I bet the tech did all 4 at once to save time. Seems like this
    would also require more fluid since new fluid would be flowing
    for as long as it takes to do the caliper furthest from the wheel
    (so the shorter paths are left open longer then needed). I suspect
    a techs time is worth more then the cost of the extra fluid so they
    do it as fast as possible.








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      The old rule of thumb................ S70 2000

      posted by  someone claiming to be masher on  Wed Apr 7 08:42 CST 2004 [RELATED]

      for the DIY'r is bleed the passenger rear first, drivers rear second, passenger front third and drivers side last. You want to work out all the old fluid starting with the one farthest away from the MC, then work back. Copish?







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