Re: [DML] Vacuum brake bleeding kits

[Robert Brandys <BobB@xxxx>]

Hank

I have tried the one person vacuum tools a number of times over the 
years. After the first time it did not work, used an electric vacuum 
pump. Still not as good as two persons.

Don't know the specific reasons, other than vacuum can such more air 
into the system even if a tiny leak is present. Perhaps they would 
okay on perfect systems, but not on old cars.