I don't know about the hissing or skipping, but the slow return brake problem could be caused by the compensating port in the MC being partially blocked. A long shot might be the wrong size residual pressure valve (usually located where the brake line enters the MC). Jack --------------------------------------------------------------------- On Jan 27, 2007, at 6:28 PM, david dumais wrote: > Thanks to all for all the input on "sticking brakes" on the 64 > Sport.... flushing and replacing the fluid was accomplished, not > the cure. All brake shoes and cylinders are in good shape, > recently replaced. All rubber hoses are now new, pedal slams > brakes and returns slowly to up position. > > There is a hissing noise when pedal is depressed, and the motor > seems to skip when in gear. Could this be the vacuum booster? > There is no evidence of an external leak. > > floundering in Va, Dave D. To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/