Shredder1568908593 Posted February 19, 2017 Report Share Posted February 19, 2017 Has anyone had any success bleeding their x40 using the pressure tank attached to master cylinder cap method? I have a motive pressure bleed kit and I drilled through a spare cylinder cap. Only problem is, when I try to pressurize the system, the air immediately leaks out... Its hard to tell but it appears to be leaking out around the oring connection between the plastic container with fluid in it and the actual metal cylinder. I have successfully bled other cars, including two volvos, using this method. Any ideas? Link to comment Share on other sites More sharing options...
Ol' Dirty Noodle Posted February 19, 2017 Report Share Posted February 19, 2017 You can't use the cap, it doesn't seal, you need the motive adapter for odd euros Link to comment Share on other sites More sharing options...
Shredder1568908593 Posted February 19, 2017 Author Report Share Posted February 19, 2017 11 minutes ago, Ol' Dirty Noodle said: You can't use the cap, it doesn't seal, you need the motive adapter for odd euros What part number is that? 1100? Link to comment Share on other sites More sharing options...
Ol' Dirty Noodle Posted February 19, 2017 Report Share Posted February 19, 2017 No idea, so long ago since I did it Link to comment Share on other sites More sharing options...
Shredder1568908593 Posted February 19, 2017 Author Report Share Posted February 19, 2017 2 hours ago, Ol' Dirty Noodle said: No idea, so long ago since I did it After looking around I think ill just make a cap out of metal and some threaded hooks with wingnuts Link to comment Share on other sites More sharing options...
Shredder1568908593 Posted February 25, 2017 Author Report Share Posted February 25, 2017 Theres a good thread over on volvoforums uk in the s/v40 section. Heres my post from there. Managed to get a successful seal using a Motive power bleeder drilled into the cap. Sealed inside of cap using the cut donut method combined with Sikaflex construction sealant, its what I had laying around. Sealed under the donut with sealant and around the lip in the cap. Once i put the cap on I also smeared the sealant around the outside of the reservoir on the portion of the threads where the is a gap, there are 3 sections and it seems like the air always leaks out of one of them. I didnt wait for it to dry just left it smeared while I bled the brakes. I pressurized to 7psi and the flow at each caliper was strong. I ran a LOT of fresh brake fluid through since my brakes were garbage even though I had all new hardware except hoses. After two drive/bleed cycles my brakes are GREAT! Not as firm as a 2005 Acura MDX I drove recently but their performance when braking hard is the best I can remember. Very confident braking heavily and repeatedly at highway speeds and I have poor snow tires on. Really pleased that I finally got this to work... Recently had car at the mechanic to look at brakes and all he had for me was pretty much "yeah your pedal feels a little soft and has some extra travel but I can't find anything wrong..." Not sure why he didn't try bleeding... I literally doubled my braking power/ability by pressure bleeding. Really pumped with the results! Stainless steel hoses next perhaps Link to comment Share on other sites More sharing options...
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