My exhaust break doesn?t work - Dodge Cummins Diesel Forum
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post #1 of 6 (permalink) Old 10-15-2017, 02:21 PM Thread Starter
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My exhaust break doesn?t work

I bought this truck about 6 months ago and it had the exhaust break on it but it never worked. So I decided to take a look at it and found that the break control valve wasn?t even connected to anything, could this be my problem?

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post #2 of 6 (permalink) Old 10-15-2017, 02:23 PM Thread Starter
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Here is a picture of it
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post #3 of 6 (permalink) Old 03-20-2018, 03:26 PM
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Sounds alot like what happened to mine. I had a few other problems as well. You should be able to splice that into your vacuum lines and be ok

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post #4 of 6 (permalink) Old 03-25-2018, 01:23 PM Thread Starter
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Thanks man! I’ve done a little looking around and I think it’s the vacuum cylinder
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post #5 of 6 (permalink) Old 03-26-2018, 08:50 PM
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Quote:
Originally Posted by Trent Low View Post
Thanks man! Iíve done a little looking around and I think itís the vacuum cylinder
Mine also ended up having a leak in the vacuum cyl of the brake itself. I had to replace the o ring. I couldnt get an o ring in time so i made it myself from oring material. Worked great and is still working great. I lube it once a month. Let me know your results!

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post #6 of 6 (permalink) Old 04-07-2018, 03:21 AM Thread Starter
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So I ended up pulling the brake off to find out that the butterfly valve was stuck, so I sprayed carburetor cleaner on it and lubricated it like crazy until I got it unstuck. I works now but I feel like it’s weak. I ordered the new vacuum cylinder a while ago and it still hasn’t arrived. But I think that’s going to fix it completely.
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