re:When not to trust...

[Dana Loomis <dloomis@domain.elided>]

Mark Battley in NZ wrote: 
>On boosted brakes - I have found on the twin remote booster systems that we
>RHD people are "blessed" with, it helps to bleed the system a second time
>with the engine running - I might be imagining it, but it seems to give a
>firmer pedal. All I can postulate is that without engine vacuum the boosters
>don't use their full range of movement.

I've had the same experience with single-circuit brakes using the same type
of hydraulic booster.  Sometimes the pedal just won't firm up without
running the engine.

Dana Loomis
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