mjlayton Report post Posted April 18, 2016 I had my mechanic check the tag axle bearings while he was servicing it for a trip. The brakes are not operating. It has a mor/ryde suspension with Dexter drum brakes. We found shoes and such, but it appears the master cylinder needs rebuilt or replaced. Master Brake Inc is out of business. Any suggestions? Thanks, Mike Layton Share this post Link to post Share on other sites
dickandlois Report post Posted April 18, 2016 Mike, I'm thinking Raybestos Could be wrong, but they are one of the better suppliers for good break parts. Rebuilt master cylinder RAYBESTOS MC390158 Professional Grade; Bore Size=1-5/16" Think others will chime in and there is a good chance they will have some helpful information. Rich Had to do some research on this one and I hope this information help. Looks like your Tag System was built by Mor/Ryde. This is the link that offers the information. http://www.classicwinnebagos.com/forum/index.php?topic=9132.0 I found out that the Tag Axle braking system is a secondary system. The primary braking system is the main chassis axles. http://www.morryde.com/ #1 - the tag axle system was added by the coach builder. Think you coach is built on a F-53 chassis that was extended. http://www.morryde.com/ Other Links that brake down the tag axle assembly. http://www.morryde.com/downloads/technical/SMARTryde%20Owners%20Manual.pdf http://www.morryde.com/downloads/technical/SMARTryde%20Service%20Manual.pdf Just added this one, thinking that it might open a door or a lead. The links picture the axle Assembly parts, but no information on the brake parts. http://www.morryde.com/who-we-serve/motorhomes. Share this post Link to post Share on other sites
mjlayton Report post Posted April 23, 2016 Thanks for your information. After some research I found a rebuild kit for the master cylinder, It's the same as a1950 Ford F3. The mechanic is gong to clean the brake mechanisms up to insure the system is operating. Then I'll look for brake shoes and the like. Mike Layton Share this post Link to post Share on other sites
mjlayton Report post Posted April 28, 2016 Well I got to the bottom of my brake problems. My master cylinder was bad. The one for my motorhome was for a 1950 Ford F1 pick-up. It has a casting #1050, which is a 1'' bore. Some other Nationals use one from an F3 ***** they do not interchange***** bolt pattern & hub are different. The diaphragm in the booster was good & is a Bendix (hydrovac). Thanks to all who commented. Should be stylin' now. New front bushings & air bags, new Airlift rear air bags, working tag brakes. Share this post Link to post Share on other sites
jleamont Report post Posted April 29, 2016 Glad to hear you are back on the road and thank you for sharing the fix! Share this post Link to post Share on other sites
