REFLECTOR: Matco Brake leaking

[Kevin Baker]

Hi Doug,
Where did you get the new ones and what part #?

Thanks
Kevin

.

On Dec 28, 2012, at 4:36 PM, Doug Kanczuzewski <doug at customstudio.com> wrote:

> Mine is the nylon hose fitting at the caliper, not the master. I recently replaced both master cylinders as well, could not get a rebuild kit, but a new master cylinder was only like $27 each.
> Doug
>  
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Dennis King
> Sent: Friday, December 28, 2012 1:57 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Matco Brake leaking
>  
> I had a leak on the master cylinder between the plastic reservoir and the aluminum casting that I fixed by tightening the clamp.  I've seen several other reports of a leak in that area.  Mine was on the left side as well, and it seems like others have leaked on that side.  Must just be a coincidence that it happens on that side a lot.
>  
> Dennis 
> 
> From: "John Dibble" <aminetech at bluefrog.com>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Friday, December 28, 2012 1:30:45 PM
> Subject: Re: REFLECTOR: Matco Brake leaking
> 
> I lose fluid on the pilot side as well.  I never see anything on the ground or around the wheel area, but there is a big streak under the wing.
> 
> John
> 
> On 12/28/2012 12:23 PM, Doug Kanczuzewski wrote:
> Has anyone ever had a problem with the breaks intermittently leaking from around the ferrule?
> Have had a problem for a while with brake fluid leaking out completely on the pilot side.  Not at first or after a flight but will come back to the hanger a few weeks later, and prior reservoir is full and all of a sudden the fluid has leaked out.
> For the longest time was never sure where it was leaking from but actually caught it last Saturday, from not even being moved for a couple weeks, leaking on to the hanger floor. Determined it was the nylon hose fitting leaking out. 
> I have replace everything in the brake system at least once, yes I have kept about ¼” of flex past the ferrule.
> My final thoughts have been temperature change, hot when landing to temperature dropped into the 30’s (southern California) two weeks later and nylon tube shrinking and leaking?
> I figured you pilots on the east coast would have bigger temperature shifts then I do? But I have a heavy airplane and probably get more heat on landings. Any thoughts?
>  
> Doug K
>  
> Ps I have tried out the new matco calipers and think they work great, a lot more stopping power.
> 
> 
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