1985 Porsche 928 "vacuum servo" Questions

...vacuum lines for the cruise control or a bad cruise control vacuum servo. I myself am a former owner of a 1979 Porsche 928 5 speed, a very beautiful and extremely powerful stock automobile. Good

...vacuum servo on the rear heater box. if vacuum is lost then the servo defaults to heat. I recomment removing the rear left quarter trim to access the vacuum servo(servo cylindrical and a little ...

...vacuum servo disconnected, as the brakes may not be effective. - The pedal pressure required to apply the brakes effectively may exceed your capabilities. If the brake booster servo diaphragm is ...

Sounds like the servo is shot ! Clamp off the vacuum pipe,to the servo with a brake hose clamp, and if noise disappears, you need a new servo unit. A FixYa would be nice, Thank´s..... Good Luck ! John

...vacuum for servo this may be pump thet is worn out ? or hose split ? or on some occasions thedrive belt slack? also on some diesels the vac pump can be driven off therear of camshaft ? in which case ...

...vacuum assist servo.To check if you have a vacuum leak before the servo unit, first check hoses and connections, then pull off the vacuum hose to the servo unit and put your thumb on the end of it. ...

vacuum servo. This servo may be located under the battery tray and is operated by a vacuum supply that comes from the engine and goes to the t-case. When 4x4 is selected, a switch on the t-case allows

...servo,or simply a vacuum leak ( between the pump and servo ) you would normally be able to hear a vac leak. If you are able to pull the hose off the servo hold your thumb over the end of it and you ...

...vacuum servo? if not its cable. if the cable is bad its obvious right? one end moves and other dont? mech 101? or if vacuum ? you apply hand vac tool to vac. servo (yes hose removed) and does the ...

vacuum actuated servo's. That is, vacuum, produced, when your engine is running (when each piston goes down it creates vacuum) This vacuum can be Co-gen erated to be used in other parts of the vehicle