[TR] TR3A Brake Bleeding Woes

Kinderlehrer kinderlehrer at comcast.net
Mon Nov 18 15:29:49 MST 2019

Thanks Bill. I don't have the bottle that high. I had my wife pump and hold the brake while I opened the nipple and keep pressure until I closed it, also my tube has a one way valve on the end and was in the bottle below the level of the previously drained fluid. 


-----Original Message-----
From: Wbeech at flash.net [mailto:wbeech at flash.net] 
Sent: Monday, November 18, 2019 2:22 PM
To: Kinderlehrer
Cc: Triumphs
Subject: Re: [TR] TR3A Brake Bleeding Woes

You may already know this but I learned recently that you should always have you drain bottle above the cylinder outlet to prevent bubbles from entering through the bleeder threads.  

Only other suggestion is to revisit the brake adjustments so the system is not using that first pedal pump just get the shoes started out.  

Hopefully more good suggestions will follow. 

All the best,

Cactus Jack drinks coffee black......MMM

> On Nov 18, 2019, at 3:53 PM, Kinderlehrer <kinderlehrer at comcast.net> wrote:

I replaced the master cylinder in my TR3A and now I can't seem to get the brakes bled. I've been around all 4 wheels a few times but I continue to get bubbles and a soft peddle to a point. The peddle will get hard a few inches from the floor and will pump up somewhat. Is it possible that the new master cylinder is bad? I can't see how air is getting in the system, I know I've pulled several reservoirs worth of fluid through.

Thanks for any ideas,

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