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Right front Brake hose

(05-15-2024, 04:54 AM)The Jack Houpe Wrote:  When the line broke off the brake actuator did it not lock up the front tire?

If you lost the line it would not affect anything until you apply the brakes, the brake chamber needs air to actuate the brakes. Once you apply the brakes you will get a big air leak. I have heard people just capping off one line in a pinch just to be able to move the coach. I would not recommend this unless it was an emergency. 

If you lose air to the parking brake chambers on the drive axle then the brakes will apply. The parking brake is held open by air pressure, if you lose that air pressure then the spring brake applies the parking brake automatically. This is the difference between service brakes and parking brakes. The parking brake uses air to release the brake, the service brakes need air to apply the brakes. This is why air system maintenance is so important.

Jeff LoGiudice
Temple Terrace, Fl
1984 Bluebird Wanderlodge PT40
1998 Newell 2000 #490
1986 MCI/TMC 102A3 (sold)

Thank you Jeff, I actually had it backwards. I thought the lack of air applied the brakes due to a spring..

1999 45'  #504 "Magnolia"
Gravette, Arkansas
1996 40 XL Prevost Marathon 

Not until you get on the brakes then it was like a garden hose of air blowing out

Willie and Rachel Moore                                         
1997 45’ #465 DD60                                          
2020 Coachmen 210QB
2010 26’ Conquest tt
38’ Wellcraft Scarab Thunder twin 500 
1988 Donzi 29Z t 454 mag

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