Re: 101 Servo problem??
On Thu, 15 Sep 2005 19:18:49 +0100, "Graham G" <NOSPAM@here.com>
>On the way to peterborough at the weekend in the GS the brake pedal
>inexplicably went to the florr (or close to it) about two thirds of the way
>to the show. I carried on to the show regardless, there was just enough bite
>to stop you quick enough if you needed to. the pedal would come back up if
>When I got to the show I stopped the truck and proceeded to explain to one
>or two people on the stand what had happened. We looked for leaks and there
>were none, no missing fluid either. When I tried to demonstrate how far down
>they had gone they worked perfectly (engine stopped), so put it down to
>On the return journey, I hadn't even got out of the gate when they went
>again. It then became apparent that they only went to the deck when the
>engine is running, so I'm guessing I must haver a fautly servo, although I'm
>somewhat surprised on two counts. Firstly I was lead to believe it had a new
>one on it when I bought it, and it does look new, all nice and shiny!
>Secondly, I wouldn't have thought it would have just gone like that, I would
>have expected it to be more gradual.
>Any ideas, before I start pulling it to bits and spending money?
>Thanks in Advance
Have a look in the master cylinder reservoir as the brake pedal is
pressed, fluid movement or air in the fluid means the primary seals in
the master cylinder are leaking. ie brake fluid is passing back over
the seal to the reservoir as the pedal is pressed.
Normally a replacement seal kit is enough to repair.