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Old 12-16-2014, 06:01 PM   #1
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Parking brake not releasing

Winterized my new to me 04 Monaco Dynasty about a month ago. After researching decided to take it for a short drive when there was no snow/ice. Low and behold it wouldn't budge.

Started up just fine. Air pressure was real low (30 psi or so) which has been normal since April when we bought her. Waited until the PSI was 110+ released the parking brake with it's usual "swoosh" put the rig in gear and it didn't move. No error codes on the transmission. I could actually feel the coach trying to move but what it felt like was something was locking the wheels.

My guess is something in the parking/emergency brake system is broken. Any ideas out there.
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Old 12-16-2014, 06:09 PM   #2
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Quote:
Originally Posted by Procyon View Post
Winterized my new to me 04 Monaco Dynasty about a month ago. After researching decided to take it for a short drive when there was no snow/ice. Low and behold it wouldn't budge.



Started up just fine. Air pressure was real low (30 psi or so) which has been normal since April when we bought her. Waited until the PSI was 110+ released the parking brake with it's usual "swoosh" put the rig in gear and it didn't move. No error codes on the transmission. I could actually feel the coach trying to move but what it felt like was something was locking the wheels.



My guess is something in the parking/emergency brake system is broken. Any ideas out there.

I think your Dynasty has Drum brakes on the drive axle. I'm guessing that the brake shoes are stuck to the drums. If you block the wheels and smack the drums with a big hammer it should break loose. It might anyway with some gentle rocking with the throttle in both drive and reverse. Just be careful.


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Old 12-16-2014, 06:14 PM   #3
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Try putting it in reverse Randy and backing up, real easy..... I have read/seen the brake hardware is hung up from sitting and trying it in reverse breaks them loose. Just be easy trying it.......the next step if this does not work, is to make sure the air is making it to the brake chambers and if not.........keep trouble shooting. Let us know.
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Old 12-16-2014, 06:18 PM   #4
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When ever we had rain, my Diplomat brakes would rust to the drum. Rocking as stated above and then hammer if that doesn't work. You haven't broken anything.
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Old 12-16-2014, 09:00 PM   #5
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It is a very common problem and like said above just rock it a bit. Reverse is usually what will break it loose. It will be fine after that until the next time.
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Old 12-16-2014, 09:23 PM   #6
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I have had this happen a few times. Usually, give it some juice and it breaks loose.
Now, this may be a fluke, but what I do now is whenever I back it into a spot, I will apply the parking brake, then release it and drive forward a couple of inches and re-apply the parking brake. Since I started doing that I've not had a lockup.... yet!
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Old 12-16-2014, 09:40 PM   #7
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How long since the brake linkage has been greased?
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Old 12-16-2014, 09:47 PM   #8
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If the brake lining was damp or wet and it is now below freezing lining could be frozen to the drums. If so it won't move till spring 😢
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Old 12-19-2014, 10:54 PM   #9
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Be careful applying too much throttle with stuck brakes. A friend shelled out his differential. Smacking with a hammer should do the trick..


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Old 12-20-2014, 06:52 AM   #10
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Oh where , oh where did the OP go...........Brake problem fixed?
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Old 12-20-2014, 07:00 AM   #11
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I am thinking that if you have low air pressure the brakes may have gone into safety mode and that is your problem, find the reason for low pressure and you may be good to go.

That said the other folks have very good suggestions too, so try that first.
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Old 12-20-2014, 07:05 AM   #12
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Quote:
Originally Posted by Procyon View Post
Winterized my new to me 04 Monaco Dynasty about a month ago. After researching decided to take it for a short drive when there was no snow/ice. Low and behold it wouldn't budge.

Started up just fine. Air pressure was real low (30 psi or so) which has been normal since April when we bought her. Waited until the PSI was 110+ released the parking brake with it's usual "swoosh" put the rig in gear and it didn't move. No error codes on the transmission. I could actually feel the coach trying to move but what it felt like was something was locking the wheels.

My guess is something in the parking/emergency brake system is broken. Any ideas out there.
Quote:
Originally Posted by wa8yxm View Post
I am thinking that if you have low air pressure the brakes may have gone into safety mode and that is your problem, find the reason for low pressure and you may be good to go.

That said the other folks have very good suggestions too, so try that first.
Read post #1 please...........
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Old 12-20-2014, 03:09 PM   #13
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Weather has been to bad for me to attempt to get her moving. Will let you know my results when I get a chance.
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Old 12-22-2014, 04:25 PM   #14
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Now I'm confused

Finally had some good weather (almost 50) so went to the storage lot to see if I could get her to move. Tired both banging the brake shoes with a hammer and rocking gently with no luck. For the guy who asked the brakes were serviced last April.

Now the new troubleshooting info. When I have the brake applied and put the rig in gear it doesn't move at all and you can feel the transmission engage. When I do the same thing with the brake released the coach rocks forward about 6 inches and a little less in reverse. So it seems to me as if the brakes are releasing but something else is preventing movement.

I checked again underneath and can't see anything remiss. Any new suggestions or is it time to break out the checkbook and pay an "expert" to come look at it.
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