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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #41  
Old 12-10-2018
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George George is offline
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Personally I don't think you really need a breather. If your tube is long enough no oil will climb that high. And a clogged breather will just increase pressures. I used an old stainless dune biggie fuel tank I had. Worked great.
The trick is to lengthen the cap at the breather vertically by about 12 inches. That should work.
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2001 40 FT LX
Cummins ISM
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  #42  
Old 12-13-2018
lexton2186 lexton2186 is offline
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I went ahead and installed a 1" vent, 2' long, coming out of the top of the tank. We'll see how that works. Headed out to southern AZ right after Christmas. That should be enough miles to get a handle on it.
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Carl Threatt
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1989 SP36
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  #43  
Old 08-15-2019
lexton2186 lexton2186 is offline
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Default Slobber Tube Filter V.2

OK. couple of years ago I built the filter like the one Curt posted on this thread. Evidently, I don't follow instructions well because it didn't work to good. Also, where I had to mount it was hard to get to. And it leaked thru the threads of the end cap. So, I set out to design mine from scratch. I used a 2.5 gallon plastic fuel tank. I drilled 2-1" holes in it, one in the side for the input tube and one on the top for the vent. I threaded each with a 3/4" PVC connector and used JB weld to epoxy and seal the joints. I then inserted a short piece of PVC into the connectors, then I rerouted and attached the 1" slobber tube hose into the side connector and a new 1" hose into the top for the vent. That hose is 5' long and vents out to the back right rear between the body and the raise up hood. On the bottom of the tank I installed a motorcycle fuel petcock, again sealing it with epoxy. The tank is mounted inside the right rear engine access vent door at the bottom of the wall of the adjoining storage bay. I get ZERO blowby on my toad, and when the tank gets some oil in it I just put a container under it and open the petcock. All in I have about $100 in it.
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Carl Threatt
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  #44  
Old 3 Weeks Ago
lexton2186 lexton2186 is offline
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On top of the valve cover there is a rectangular box that the slobber tube is connected to. Is there a filter of some kind in there? I have checked with Cat and they say the rectangular box was installed by BB.
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  #45  
Old 3 Weeks Ago
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??? the round thingy for the crankcase breather tube has a mesh filter.
There should be a square or rectangular box for the ZF throttle position control
on top of the 3208 or near-by
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  #46  
Old 3 Weeks Ago
lexton2186 lexton2186 is offline
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Been a while since I looked at it. Just went back and looked. It's round. Does the mesh filter need to be changed?
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