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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have the original servo on my 1966 BJ8 (Girling MK2A) it was rebuilt by PO at some time</p><p class=MsoNormal>I recently noticed when stopped at a light….idling ,foot on brake……the idle increases by about 300-500 rpm… is this normal? Also noticed the brake peddle is a little lower when applied. </p><p class=MsoNormal>The car appears to stop …OK</p><p class=MsoNormal>What tests can I do ?</p><p class=MsoNormal>Can I put a new check valve in vacuum line ……without removing the valve on the servo? Or would that cause a problem?</p><p class=MsoNormal>And yes I looked in the archives…….little confusing</p><p class=MsoNormal>Any help would be appreciated</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers</p><p class=MsoNormal>Mitch<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></body></html>