Symptoms of servo membrane failure?

Talk about the E-Type Series 1
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jagwit
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Joined: Thu Oct 18, 2012 6:52 am
Location: Pretoria
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#1 Symptoms of servo membrane failure?

Post by jagwit » Thu Jun 07, 2018 1:20 pm

Obviously the most apparent symptom would be a very hard brake pedal that requires considerable pedal pressure to achieve the desired braking effort.

I suspect there might be another, less visible symptom:
The relevant thread starts here : Plugs as found in the car, before the servo diaphragm was diagnosed as torn

New plugs after less than 1000km driven with torn brake servo diaphragm:
New plugs after < 1000km
Best Regards
Philip
71 E-type V12 Coupe,
80 XJS (EFI by Megasquirt & EDIS-6 + 5sp manual overdrive)
73 Jensen Interceptor
74 Interceptor (EFI by Megasquirt + overdrive 4sp auto)

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