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Old 03-19-2009, 05:52 PM   #1
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Brakes Rusting When it Rains

We just left Rockport Texas this morning. We were there for 5 days and 3 of the days it was raining on and off.

When putting the Dip in gear and expecting to roll, nothing happens. Then I step slightly on the gas and an allmighty "bang" sounds out. We have tried this before, and what apparently happens is that the brakes get stuck. They simply rust in this moist weather, and when we start again they let go with a large "bang". It sound like the front wheel are coming off completely.

Do you all have this or is it just me? Can I do anything to prevent the brakes from sticking? Am I at risk of doing damage to the brakes when this happens?

Thanks guy's (and dolls ).
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Old 03-19-2009, 06:27 PM   #2
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Dane...Mine often does the same thing and will sometimes trigger the ABS light for a few miles.
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Old 03-20-2009, 09:34 AM   #3
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Dane
That is completely normal and happens to a lot of folks.The rear pads (and front for that matter)have metallic compounds and will produce surface rust in damp weather when sitting with emergency brake on for a while and not let the springs return pads off of the drums....or rotors.Gently rocking fore and aft will generally break them free.
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Old 03-23-2009, 07:32 AM   #4
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I havn't had them completely stick when they get wet, but they do get very touchy when I hit the brakes. They also tend to squeel until they are cleaned off. Found that this happens also when there is a lot of dust around, plus mixed with water.
I'm sure my heart would have done a flip or two with the "bang" sound.

cheers,
Tom
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Old 03-23-2009, 08:19 AM   #5
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Quote:
Originally Posted by pipedream2 View Post
Dane
That is completely normal and happens to a lot of folks.The rear pads (and front for that matter)have metallic compounds and will produce surface rust in damp weather when sitting with emergency brake on for a while and not let the springs return pads off of the drums....or rotors.Gently rocking fore and aft will generally break them free.
Every MH that uses air brakes that I've seen uses a drive shaft brake, not the service brakes to apply a park brake condition. The service brakes, as the air pressure decreases, may contact the drums/rotors but should retract when air pressure is restored. I've heard of brake pads/shoes freezing to the rotors/drums but never rusting!
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Old 03-24-2009, 04:52 AM   #6
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Quote:
Originally Posted by Pusherpilot View Post
Every MH that uses air brakes that I've seen uses a drive shaft brake, not the service brakes to apply a park brake condition. The service brakes, as the air pressure decreases, may contact the drums/rotors but should retract when air pressure is restored. I've heard of brake pads/shoes freezing to the rotors/drums but never rusting!
If you look under your motorhome you will not find a drive shaft parking brake. What you will see are two large air chambers on the rear axle. These have two sections with a very strongd spring. Air is needed on one diaphram to release the pressure of the spring. The spring applies the parking brake by causing the service brake to be applied. If you loose air pressure your parking brake will be applied automaticaly because there is no air pressure to release the springs. When your vehicle is towed the tow truck must attach an air hose to release the parking brake or the tow driver must crawal under your coach and screw a large bolt into each air chamber to release the parking brake.

Bob
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Old 03-24-2009, 06:25 AM   #7
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Nodine,
Thanks, that was very educational. I thought it was the other way around. Now I know why there is an air hook-up in the front of my coach....and back.
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Old 04-18-2010, 06:57 PM   #8
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A year later; a wet winter; they really make a loud pop when they finally break loose! And the Dip has only been sitting for two months. Glad I read this forum.

Luke
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Old 04-18-2010, 08:56 PM   #9
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I had that happen once when parked for two months in long Beach. I haven't had it happen again since that time and I am parked for long periods.I agree it is somewhat alarming but I don't think it damages anything.
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Old 04-19-2010, 05:28 AM   #10
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Quote:
Originally Posted by Pusherpilot View Post
Every MH that uses air brakes that I've seen uses a drive shaft brake, not the service brakes to apply a park brake condition. The service brakes, as the air pressure decreases, may contact the drums/rotors but should retract when air pressure is restored. I've heard of brake pads/shoes freezing to the rotors/drums but never rusting!
Pusherpilot
Not one air brake coach ive seen has a drive shaft emergency brake maybe you can name a few ......they are ALL double spring chambers on the drive axels...INCLUDING YOUR Imperial and they do rust to the drums as i said.....please get some facts before posting crap
Better look again
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Old 04-19-2010, 08:02 AM   #11
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FWIW Be careful "rocking" the coach Forward and Reverse. Make sure you stop at Neutral as you go. After having this happen a few times I now always make sure I have plenty of room behind the coach when I park, just in case I need to rock it to get going again! I have had three different DP coaches and all have had this problem. My 05 Knight does not do it anywhere near as much as the 03 did.
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Old 04-19-2010, 08:23 AM   #12
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Quote:
Originally Posted by pipedream2 View Post
Pusherpilot
Not one air brake coach ive seen has a drive shaft emergency brake maybe you can name a few ......they are ALL double spring chambers on the drive axels...INCLUDING YOUR Imperial and they do rust to the drums as i said.....please get some facts before posting crap
Better look again

Alpine Coach has driveline emergency brake! Air activated.

Lighten up a bit
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Old 04-20-2010, 04:24 AM   #13
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Quote:
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Alpine Coach has driveline emergency brake! Air activated.

Lighten up a bit
Beagle
I stand corrected....there may be one or two ....is the Alpine a front or rear diesel ???...He did quote from my post to correct ME.........but as i stated "none that Ive seen"..should have said NO Monaco diesel pusher coaches have driveline brake INCLUDING the Imperial that Pusherpilot has in his signature.There where 5 or 6 posts confirming that this does indeed happen to folks...me included.... and he disputed all by saying basically it cant happen because the bakes are not engaged if its on the drive shaft ....without any facts....just trying to set the record straight for others reading the post.
Sorry if it ruffled your feathers.
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Old 04-20-2010, 07:14 AM   #14
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We have a 07, 42' Camelot -- Was having the brake hang-up problem -- While at the Monaco, Harrisburg Service Center, in Feb, 08 for a windshield replacement,& other problems, I told the service writter about the brake hang-up -- He thought was probably just the cold weather causing the brake freeze -- But, the MH had to stay in the building for 24 hours when the windshield was replaced, & when the tech was taking the MH out of the shop the next day, the brakes was locked - That did away with the cold weather theory -- They then checked the slack adjusters, & they were dry of grease -- I showed them reciepts where I had had the coach serviced twice (the coach had 14,000 miles at that time)since new, & only 2000 miles since last service -- They greased the slack adjusters, & I have not had any problems with the brakes since -- 32,000 miles -- Make sure your slack adjusters get greased -- The zerk fitting is hard to find, & very easy to miss -- Bill Willard
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