Rebuilding the Midland 490-G Brake Boosters.

We took the Glastron out for a spring ride on Easter Sunday and I found out I was having problems getting it to slow and stop! I got home ok and did some head scratching and finally realized there was no brake assist going on from the boosters. Got out my computer and my manuals and did the necessary research to find out what could be wrong. I found a place online who could provide parts for the two boosters on my rig and called. Finally bit the bullet and took both boosters out for a post mortem. The front booter unit had the diaphragm flooded with nasty looking brake fluid. No wonder it could not operate. Both front brake and rear brake units are going to be rebuilt by yours truly and I will post some pictures of the surgery and some helpful hints to do the job yourself. Cost savings is significant as the cost to rebuild in a shop is close to $200 per unit and I can get the parts and do the job myself for $160 for both. Plus, I like to do the work. Stay tuned. Jim

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Comment by Lakota Wolf on April 24, 2014 at 10:15pm

Sounds great, good luck

Comment by Pat Daly on April 24, 2014 at 10:09pm

Well be watching for it Jimmy.

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