<VV> Blocked brake hose

FrankDuVal corvairduval at cox.net
Mon Oct 16 22:54:04 EDT 2017

DOT 3, 4 should be flushed every 2-3 years to remove the moisture form 
the system.

I know, I don't know anyone that did this regularly either! ggg

A six point combination wrench is also really helpful for doing this 
job. A 12 point wrench slips usually.

Frank DuVal

On 10/16/2017 9:32 AM, Hugo Miller via VirtualVairs wrote:
> Just doing a brake overhaul on a 1964 convertible I just bought, I 
> found both rear wheel cylinders leaking. Only done the right one so 
> far. There was so much crud in the cylinder I decided to flush out the 
> brake lines - probably still got the original brake fluid in there! 
> Put an air-line on the pipe from the master cylinder, & nothing would 
> come out the back. I could blow from the back to the front (& fill the 
> trunk with dirty fluid!) but nothing from front to back. Flexible hose 
> was acting as a very efficient one-way valve.
> Incidentally it took me a while (and a search on Google!) to figure 
> out how to get the cylinder off - I ended up removing three of the 
> nuts that hold the drive shaft to the backplate, & undoing the fourth 
> to the end of its thread. That enabled me to pull the axle shaft out 
> just enough to get a 3/8" wrench on those little fixing bolts.
> One down one to go!

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