[DeTomaso] Fw: Poor Brakes

[JDeRyke at aol.com]

In a message dated 7/13/09 7:05:52 PM, wdemelo at cogeco.ca writes:

> I disconnected the booster vacuum hose under the car. I then attached a 
> vacuum and gauge to the hose to the booster and it won't hold a vacuum at 
> all.  Booster is toast, correct?
> 
Maybe. There are 3 things that sometimes go south: the big rubber diaphragm 
inside the can (rot or cracks), the plastic connector/check valve on the 
booster bottom (varnish and crud but it can be cleaned) and the hose going up 
to the booster from the under-floor hard line. I also found one wide-body 
Pantera that had an under-floor hard line cracked in the middle. Try your 
vacuum test directly into the check valve with a known-good vacuum hose, 
bypassing both factory hoses and the hard line. A surprising number of Panteras are 
driving around with that front hose rotted or cracked. Stock brakes are 
good enough at around-town speeds that they hadn't noticed.... Good luck- J 
Deryke


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