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Old 05-02-2019, 03:22 PM   #21
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Originally Posted by WARGEAR View Post
That is truly interesting! Perhaps splash lubrication kept the oil in the bottom end on the bearings and piston skirts.
I ended up scrapping the bus and made more than if I'd sold it. Wasn't going to put anymore time or money into diagnosing it.

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Old 05-02-2019, 10:06 PM   #22
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That has been what surprised me. I unhooked the oil feed line to the compressor. With the engine running there is no oil coming out the supply line, no pressure indicated on the oil pressure guage. I'm still trying to figure out how I drove 25 miles with no oil pressure, no increase in engine temp. A car or truck would have made all kinds of heat, noise, loss of power before it blew up before 5 miles. So you tell me?



So, I guess, the answer is that the same oil pump serves both the engine and the compressor?
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Old 05-02-2019, 10:21 PM   #23
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So, I guess, the answer is that the same oil pump serves both the engine and the compressor?
I wouldn't know on that mode,l DD Fuel Pincher 8.2 motor. I wasn't going to waste any more money or greasy labor to find out at that point. After spending hours and ended up days getting the radiator out because I couldn't lift the weight by myself, just too awkward. All to take 3 seconds backing out one bolt to get the compressor out. I pulled the engine cover and there was the compressor right on top, couldn't be easier to access. No , one freaking bolt in the front , required pulling the whole front and radiator out. I was through and found scrap was up $2 at the time so off it went.
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Old 05-10-2019, 12:14 PM   #24
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Ok, I traced down the noise this morning. The noise appears to becoming from this. Is this my air filter? It was struggling to release air a bit and POOSSHHH'ed right in my face at 120 psi. Going to try to find a replacement? Any help of what this is and where to find it would be great! Thanks!

Sorry about the blurry picsIMG_20190510_120911.jpegIMG_20190510_120832.jpegIMG_20190510_120848.jpegIMG_20190510_120844.jpegIMG_20190510_120830.jpeg
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Old 05-10-2019, 12:15 PM   #25
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Googled it. It's the air dryer
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Old 05-10-2019, 12:16 PM   #26
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http://waterstorage.tpub.com/TM-5-38...6-24-4_242.htm

Relevant information for future reference
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Old 06-19-2019, 11:07 PM   #27
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My bus does the loud air evacuation sound as I drive, or idle... whenever the engine is running, at certain intervals.


Does that mean I have an air dryer and don't need to drain the tanks?

I had no idea of any of this until bumping into this thread.
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Old 06-19-2019, 11:40 PM   #28
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My bus does the loud air evacuation sound as I drive, or idle... whenever the engine is running, at certain intervals.


Does that mean I have an air dryer and don't need to drain the tanks?

I had no idea of any of this until bumping into this thread.

I'd guess that you do in fact have an air dryer. However, I still recommend occasional tank draining. It's not like it costs anything aside from a little effort, and if it prevents big trouble down the road ..... I would expect a bit of moisture from the "wet" tank (a little oil mixed in is not unusual) but the others should be relatively dry.


Many Air dryers *DO* need service occasionally. There are cartridges that can be replaced. This is often neglected and eventually the oil and sludge works its way into the valves and hangs them open (at which point your air system won't build/hold pressure). Does this sound like the voice of experience talking?
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Old 06-20-2019, 12:24 AM   #29
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I got ahold of SKF and they let me know my air dryer is super out dated, which makes sense since it's about 30 years old. They recommended looking at the Turbo 2000 line. I also empty my tanks occasionally.

Attached is what they sent me with the email.T2000 NEW.pdf
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Old 06-20-2019, 12:25 AM   #30
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Try this lol.Screenshot_20190619-222427.jpegScreenshot_20190619-222432.jpeg
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Old 06-20-2019, 03:22 AM   #31
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The link in your first post worked for me ... as a single PDF.
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Old 06-20-2019, 08:48 AM   #32
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That's good information. My bus is a 2004, so it shouldn't be bad.
Still, I need to find out about that air thing and how to drain the air tanks.
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Old 06-20-2019, 10:14 AM   #33
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That's good information. My bus is a 2004, so it shouldn't be bad.
Still, I need to find out about that air thing and how to drain the air tanks.
Should just be a valve on each tank.
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