[V8] My V70R Burnt to the groud.

Scott DeWitt scotty at advancedautomotion.com
Tue Aug 20 09:17:25 PDT 2013


The master cylinder would have had to fail, causing intake manifold
pressure to pass through the booster into the master cylinder forcing the
fluid out of the reservoir??

Scott




On Tue, August 20, 2013 11:04 am, pjager at telus.net wrote:
> Had to drive the V8 for a few weeks lol. Actually dusted off the 928,
> while

> I sourced another V70r.
>
> I had a turbo problem (the CBV) and during the hill climb the turbo
> vacuumed
> all the brake fluid from the brake system, spilling it onto the hot turbo
> went up in a ball of flame, with no brakes!. Pretty crazy. Just
> investigating how this could happen, the two vacuum pipes (CBV and brake
> booster) are connected to the same fitting at the manifold.
>
> So I am pretty sure that the failed CBV caused a breach that allowed the
> turbo to become a massie vacuum pump which popped the master cylinder
> fluid
> seal. This all happened in about 20 seconds although there was signs of
> brake fluid combusion happening before hand
>
>
> http://jageng.com/garage9/V70R_CH1.JPG
>
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-- 
Thanks!
Scott DeWitt
Advanced Automotion
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