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Old 09-20-2020, 12:27 PM   #1
Junior Member
Join Date: Dec 2019
Location: Wichita KS
Posts: 8
1998 Damon Intruder Brake Failure Issue

Hello I am new here and this is my first post.



I am in desperate need of someone that could tell me what I need the repair shop to check.

I have been doing some research and reading since I purchased my 1998 Damon Intruder last year Aug 2019. Yet I still don't know what they need to look at.

I am having a problem with the brakes. The issue has happened two times, once when I drove and once when my daughter-in-law drove.

The issue is that the brakes have gone out, while trying to stop, and the parking brake will not hold when the RV is sitting on, an even very slight, incline.

1. The first time I had this issue I was driving it home when I purchased it in August 2019. I was, thankfully going slowly, trying to stop at an intersection and my brakes did not work. The petal went straight down with no engaging the brake. I pumped them several times and that helped some so to get me stopped. I parked it and had it towed to a shop.

The first shop thought it was the master cylinder and ordered the master cylinder but since they could not "get to it", it sat for 3 months, I had it towed to my home.

Then I had a RV guy come out and check it over, again. I had it checked out before I purchased it. This guy drove it around and the brakes were fine.

I didn't feel comfortable with just that check up so I took it to another RV shop. I drove it and that time the brakes were fine.

The shop said the master cylinder was find so they didn't install the new one I had already purchased. This shop drove it around and told me they "could not replicate the issue". So I paid the bill and took it home.

I had health issues and had to park it until last week Sept 2020.

2. I had a lock and door that needed fixing so my daughter-in-law drive it about 1.5 miles to the body shop and when she was driving the brakes went out again. Thankfully she was going very slow. When she parked and put on the park brake it would not hold and started sliding down.

The RV repair shop sent a guy to pick it up and I am waiting on them to let me know what they think again. The last time it cost me 550.00 for them to drive it.

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Old 09-20-2020, 01:10 PM   #2
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Join Date: Jul 2014
Posts: 24,207
First, tell them to flush out the brake fluid. That involves bleeding out the old fluid while replacing it with new.

I would be surprised that that wasn't done or suggested yet.

Old RVs accumulate water in the fluid and when braking, the water boils to steam. Steam causes the pedal to go to the floor.

There are occasions when a bad master cylinder will also let the pedal go to the floor at random times.

Second, the parking brake is a whole other system. Many just need adjustment. Some need new brake shoes.
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Old 09-20-2020, 01:26 PM   #3
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Join Date: Sep 2010
Location: Bossier City ,Louisiana
Posts: 372
I agree with Twinboat ,first things first ! while that's being done the mechanic will more than likely notice any other problems.If you still have the new master cyl would be a good time to just go ahead and replace as you are bleeding the system anyway /
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Old 09-20-2020, 04:02 PM   #4
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Join Date: Dec 2019
Location: Wichita KS
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Thanks. No never suggested or done.
I think being an Old Lady who didn't know anything does not help.
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Old 09-20-2020, 07:29 PM   #5
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Location: oregon
Posts: 412
Perhaps posting your location might be in order here, with a smidge of luck someone here may be able to refer you to a mechanic familar with that vintage and dependable. Older P30 brake systems are as simple and as basic as it can get.
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Old 09-21-2020, 12:14 PM   #6
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Location: Wichita KS
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Wichita Kansas. Sorry for not posting this earlier.
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Old 09-21-2020, 10:28 PM   #7
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Join Date: Jun 2020
Posts: 13
I just had the same similar thing happening on my 91 Damon Challenger. The brake pedal would randomly go to the floor, with no stopping power. Ended up replacing the master cylinder and flushed out all the old brake fluid. Thing stops like new now. Mine sat for 5 years prior to me getting it, and I think the seals in it were going bad, act up when warmed up...

Also, if the parking brake isnt holding the RV still, have them check and adjust it. It should be holding regardless if the hydraulic brakes are working, its mechanical.
MtylerAZ is offline   Reply With Quote

brake, damon

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