When you release the pressure in the Motive tank the air at the top of the pressurized master cylinder reservoir will be forced back down the hose and bubble out of the tube that goes into the fluid. That's what I meant. Pinching off the hose will prevent this, or just don't open the Motive tank until bleeding is done, which means having a good amount of fluid in the tank when you start. It's a great product and I've used it many times on all my vehicles. I also use it to pressurize the Vanagon cooling system for leak testing. Stuart -----Original Message----- From: Neil N <musomuso@gmail.com> Sent: Tuesday, May 5, 2020 9:49 AM To: Stuart MacMillan <stuartmacm@gmail.com> Cc: vanagon@gerry.vanagon.com Subject: Re: Questions about brake bleeding HI Stuart. On 4/11/17, Stuart MacMillan <stuartmacm@gmail.com> wrote: > .... If you have to add more when you crack the cap you'll bubble air > into the fluid remaining and will need to wait several hours or toss it. I'm not familiar with the Motive pressure bleeder. re: "add more". Are you referring to refilling the Motive tool and not in regards to adding more fluid into the master cylinder reservoir? i.e. when cracking the cap on the Motive, air bubbles get introduced into brake fluid in the Motive tool? I use a home made "air" pressure bleeder. I've not noticed air bubbles created in the master cylinder reservoir when topping it up during the bleeding process. Thanks, Neil.
-- Neil n VE7TBN 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8 VAG Gas Engine Swap Group <http://tinyurl.com/khalbay> |
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