[Rovernet] Abundance of air when bleeding

[Jim Pile]

 Thanks, Roger. I will give it a try. The tricky part will be fashioning the fitting, My super-handy son-in-law will help me figure it out. But boy, do I hate bleeding the rear brakes! They're a pain in the neck, literally!

    On Tuesday, June 9, 2026 at 08:59:46 AM EDT, roger.matheson--- via Rovernet <rovernet at rovernet.org> wrote:   

 
Hello,

  

An easier method is to pressurise the reservoir with 5 lbs psi You can make an air compressor fitment by drilling out the cork float in the screw top. Glue in a vale and even a bike pump will do. Open the bleed screw on one calliper and fit a clear  plastic pipe emptying into a spare can. When fluid stops moving , close the bleed and pump up the pressured. Pumping  in air on top of the fluid should push fluid  through the booster and into thee calliper. Keep pumping, opening and closing the bleed screw  and replenishing the fluid in the reservoir. When there are no bubbles in the fluid evident  in the clear plastic screw, that calliper is bled. Repeat on the other side.  Text me if you require more details. Cheers Roger in OZ

  

From: Rovernet <rovernet-bounces at rovernet.org> On Behalf Of Tom Rymes via Rovernet
Sent: Tuesday, 9 June 2026 12:55 PM
To: Rovernet <rovernet at rovernet.org>
Cc: Tom Rymes <tom at rymes.net>
Subject: Re: [Rovernet] Abundance of air when bleeding

  

I've had some pretty good luck on various cars with a Gunson eezibleed.kght be worth a shot.

  

On June 8, 2026 10:27:54 PM EDT, Jim Pile via Rovernet <rovernet at rovernet.org> wrote:


After several years of the '68 TC sitting in my garage, I finally got around to rebuilding the front calipers.. Problem was, the fluid reservoir had gone completely dry during the interim. Bleeding the brakes produce mostly air, so much that the fluid coming out of the caliper nozzle looks like milk! 

   Am I correct in guessing that the brake master has so much air in it that the brake fluid doesn't have much of a chance to get through? If so, is it necessary to "bench bleed " the master, or is there an easier alternative than removing the master?  Your thoughts please, oh wise Rover buddies.

  

        Jim Pile

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