westlynch Posted September 7, 2021 Report Share Posted September 7, 2021 Fleetwood Southwind 1994 Chevy 454 P30 Lately I've been experiencing what I describe as a lock and skid when I touch the brake pedal. It doesn't always happen and it's not related to a sudden hard stop as that hasn't happened either. I just touch the brakes to slow for a light and sometimes it feels like the brakes lock up and I skid a bit. I've discussed this with several people and have had several mechanics look at it and they all tell me everything is fine. I've also had new brakes and tires installed this year as both were due. Some have mentioned the proportioning valve? Wouldn't a complete brake job have required at least taking a look at that part? I'm a wit's end here. Any suggestions? Quote Maureen1994 Fleetwood Southwind 31'Chevy 454 Forward Control Chassis"Enough is as good as a feast."~Mary Poppins Link to comment Share on other sites More sharing options...
Darryl&Rita Posted September 7, 2021 Report Share Posted September 7, 2021 (edited) What wheel position? Rear brakes can be out of adjustment, or contaminated shoes. It's not normal. ETA: A proportioning valve isn't normally covered in a brake service, unless there is a complaint about it. Edited September 7, 2021 by Darryl&Rita Quote I have been wrong before, I'll probably be wrong again. 2000 Kenworth T 2000 w/N-14 and 10 speed Gen1 Autoshift, deck built by Star Fabrication 2006 smart fourtwo cdi cabriolet 2007 32.5' Fleetwood QuantumPlease e-mail us here. Link to comment Share on other sites More sharing options...
steiny93 Posted September 7, 2021 Report Share Posted September 7, 2021 which brakes are you thinking are doing this? the trucks or the trailers? Quote 2000 volvo 6102013 cyclone 3950 Link to comment Share on other sites More sharing options...
usbusin Posted September 7, 2021 Report Share Posted September 7, 2021 Sounds like a motorhome to me. Quote 2001 Freightliner FL70, Cat 3126b 300hp, 860 lb/ft, 6 speed manual Eaton/Fuller Motorhome body by Transport Designs (37 ft overall) Motorhome Specs and Pictures Our Music Ministry Link to comment Share on other sites More sharing options...
Ray,IN Posted September 7, 2021 Report Share Posted September 7, 2021 When were the flexible brake lines at each wheel replaced? It is not uncommon for old brake lines to appear fine, but inside the lining is falling apart. This can allow pressurized brake fluid into the brakes but not the un-pressurized fluid back to the master cylinder. Quote 2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG retired;Good Sam Life member,FMCA ." And so, my fellow Americans: ask not what your country can do for you--ask what you can do for your country. John F. Kennedy 20 Jan 1961 Link to comment Share on other sites More sharing options...
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