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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 07-25-2019
mjk1950 mjk1950 is offline
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Join Date: Sep 2018
Location: Ypsilanti
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Default 1973 FC Brakes

HELP! Having a tough time with getting the hydraulic brakes repaired correctly.
The mechanic replaced all cylinders and shoes that were wearing thin. Recently replaced hydrovacs.
Problem still remains......hard pedal? and seems that it takes much further to stop than it did before the work was done. I don’t know where to go from here.
He suggested replacing drums but that doesn’t compute if the brakes worked ok before. Reason we replaced them was a long trip we wanted to take and be safe. That never happened. Mechanic said the rear brakes “locked up” when he tried them but front didn’t. Are the cylinders the same for front and rear? How can I narrow this down? I’ve inspected vacuum lines and don’t see anything obvious and the vac gauge seems to indicate good vacuum with 16 at idle. Seems like something happened after the brake work.
Any suggestions?
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Ypsilanti, Michigan
1973 31' FC
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Old 07-25-2019
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isp2952 isp2952 is offline
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Quote:
Originally Posted by mjk1950 View Post
HELP! Having a tough time with getting the hydraulic brakes repaired correctly.
The mechanic replaced all cylinders and shoes that were wearing thin. Recently replaced hydrovacs.
Problem still remains......hard pedal? and seems that it takes much further to stop than it did before the work was done. I don’t know where to go from here.
He suggested replacing drums but that doesn’t compute if the brakes worked ok before. Reason we replaced them was a long trip we wanted to take and be safe. That never happened. Mechanic said the rear brakes “locked up” when he tried them but front didn’t. Are the cylinders the same for front and rear? How can I narrow this down? I’ve inspected vacuum lines and don’t see anything obvious and the vac gauge seems to indicate good vacuum with 16 at idle. Seems like something happened after the brake work.
Any suggestions?
Change mechanics.
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2000 LX ME
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  #3  
Old 07-25-2019
badwrench badwrench is offline
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Default brakes

Poss drums are over size, shoe arch. Not making full contact with drum. Reducing brake preformance?
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Mc Clure, Ohio
1986 38 PT 8V92
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Old 07-25-2019
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Randy Dupree Randy Dupree is online now
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i would replace the rubber brake lines,two reasons,they are old and the other reason is they get plugged up with age.


When plugged up they don't let fluid get to the cylinders.
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2000 LXI 43
Bainbridge,Ga.
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Old 07-25-2019
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78bbird 78bbird is offline
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When I had the duel hydrovac done on the BB INN, Ford Truck sent the duel unit to a school bus repair shop, when the unit was returned they had a very hard time bleeding & getting the brakes to work right, they finally got it right!
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  #6  
Old 07-28-2019
mjk1950 mjk1950 is offline
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Thanks all. I will look deeper into the issue this week.
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Ypsilanti, Michigan
1973 31' FC
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