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Old 08-14-2013, 08:59 AM   #1
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Tiffin Owners Club
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Question Brake resevoir under coach

Help Please,

I have a reservoir under my coach behind the transmission, it says to use dextron fluid. I can tell it has been leaking due to fluid on the bottom of the tank. It has no dip stick, but does have electrical wiring running to it along with tubing. I think it is part of the parking brake but not sure. Has anyone had any dealings with this, if so what it is and how do I fix.

Thanks

Tnhunter
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Old 08-14-2013, 12:09 PM   #2
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Hunter, what chassis , engine do you have.
Workhorse ?, Ford ? 8.1, V-10 , FRED with an ISB ?
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Old 08-14-2013, 12:15 PM   #3
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Quote:
Originally Posted by Hunter 45 View Post
Help Please,

I have a reservoir under my coach behind the transmission, it says to use dextron fluid. I can tell it has been leaking due to fluid on the bottom of the tank. It has no dip stick, but does have electrical wiring running to it along with tubing. I think it is part of the parking brake but not sure. Has anyone had any dealings with this, if so what it is and how do I fix.

Thanks

Tnhunter
Here is a similar question:
I have a problem, can anyone figure out what coach I own and tell me how to fix it?
Thanks
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Old 08-14-2013, 12:34 PM   #4
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Quote:
Originally Posted by mel stuplich View Post
Here is a similar question:
I have a problem, can anyone figure out what coach I own and tell me how to fix it?
Thanks
I believe its a Safari, and there is no fix, only replacement.
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Old 08-14-2013, 12:45 PM   #5
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I believe its a Safari, and there is no fix, only replacement.
az bound
Right you are!
Thanks
I didn't expect an accurate answer that quickly
I will do just that, (after another 100-200k miles).
Mel
'96 Safari Sahara, 132k miles, (105k mine).
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Old 08-15-2013, 07:24 AM   #6
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Sorry guys, it is a 1999 Allegro Bay 36 ft, 454 Chevy
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Old 08-17-2013, 07:40 PM   #7
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I suspect that you have infamous GM auto park system. If so, it is dangerous! If it runs out of fluid the auto park will engage at highway speeds and will burn up the shoes on the drive shaft brake. Don't drive the M/H until you understand the problem and the system. Jon and the guys at
Barzels RV
3912 Harrison Avenue
Centralia, WA 98531
(360) 736-9494
are the experts on this system. A phone call or e mail to them will help you figure out what system you have and what to do about the problem.
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Old 08-18-2013, 07:15 AM   #8
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Can you pull the fuse on the Auto Park System and use the manual parking instead, the auto park system is leaking back at the tank for the Auto Park System, can't tell if it is the pump, tubing, or actuator that is leaking, I do not want this sucker engaging while driving or locking up at camp
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Old 08-18-2013, 09:54 PM   #9
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Breakdown of system causes brakes to apply, can't turn off system, can disconnect it but then you don't have a parking brake.
By disconnect I am talking about physically disconnecting the rods that move hydraulic mechanism applying the brake, not electrically.
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Old 08-19-2013, 12:50 AM   #10
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Beware of a 1200 spring

Hydraulic pressure keeps a 1200 lb spring from applying the auto park. When you shift out of the park position the pump starts and hydraulic pressure retracts the spring releasing the brake. If you lose that hydraulic press the brake engages. When attempting to disconnect any linkage be aware the spring can bite you. There are many different configurations of this system but they all operate basically the same. The high fail item is the green switch (rotten green switch "RGS"). Costs about $4O and is easy to change. The system on our 99 Rexhall Anthem has three switches, the only one that has failed in the RGS (twice). It auto park engaged at 30 mph, lots of noise and smoke. The "auto park light" came on but the brake locked up about 2 seconds later. Had to have the shoes relined (big bucks), they don't make new shoes for 99's. I check the fluid level and for leaks before and during every trip.
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Old 08-19-2013, 04:05 AM   #11
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Before you crawl under your Motor home to work on your Parking brake, Chock your wheels first. Just in case it gives way.
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