

| Subject: | Re: Air in the brake lines? |
| From: | Scott Daniel - Turbovans |
| Date: | Thu, 14 Jul 2011 12:43:42 -0700 |
a reminder not to stroke or pump the brake pedal all the way to the floor .. never do that with a used brake master cylinder, as the seals will be sliding over an often-corroded part of the MC's cylinder... and that can damage the seals. Half stokes only. Old text left on so people can see what this is about. ----- Original Message ----- From: "John Rodgers" <inua@CHARTER.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Thursday, July 14, 2011 9:45 AM Subject: Re: Air in the brake lines? > On;y way to be absolutey certain it IS NOT air in the lines is to > bleed your brakes again - and this time do it yourself so you can see > the fluid coming out, or have it doen and stand there and watch. I get a > helper to man the brakes and pur brake fouid in the tank - and I get > underneath with a wrench, a piece of clear plastic tubing and clear soft > drink bottle. I put the clear tube on the bleeder, turn it, have my > helper pump the brakes, and watch the fluid flow into the bottle until > the fluid runs clear in the tube, then I close it off. I have my helper > top off the tank, and I move to the next one. This is not a hard task, > but to be certain that your bleed job is correct - you must do it > yourself. > > If after all this, you still have problems, then start looking at the > brake master or even the brake booster. I don't know how you would test > the booster, but an internal failure in the master will allow you to > have a good pedal one moment then suddenly go down. If it does that - > relace the brake master cylinder. > > John > > John Rodgers > Clayartist and Moldmaker > 88'GL VW Bus Driver > Chelsea, AL > Http://www.moldhaus.com > > > On 7/14/2011 10:20 AM, T Collins wrote: >> I had my brakes services a little while ago. One of the charges was for >> bleeding the system. I thought that I had been feeling some mushy brake >> pedal feeling when initially starting the vanagon. I dismissed it as >> getting >> used to the new brakes/pedal/bleeding feel. >> >> The last few days i have noticed this pedal feel to be worse. Like maybe >> the >> system was not bleed appropriately. The feeling goes away after a while >> of >> driving. I want to make sure that this is not a booster type thing going >> on >> it was not happening before the service. >> >> My hunch is air in the lines that gets compressed as I used the brakes >> more >> and more, but that fade/mushy feeling gets worst on initial operation >> because of the previous compression of gas and liquid. >> >> Please, could the collective advise? >> >> Thanks, >> Tony >> >> -- >> 82 Scirocco "Rodolfo" >> 85 Vanagon "El Guapo" >> http://groups.google.com/group/wash-co-vws2<http://groups.google.com/group/wash-co-vws2?lnk=gcimh> >> (new) >> >>
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