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Engine Problems

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Engine Problems
Mon Dec 29, 2008 7:03 pm


Hello,

We have just had a mechanical 6v92 rebuilt resulting from an oil filter collapse. It is in a GM Eagle with a remote oil filter base. Cannot find the cause of the collapse so looking for answers. Detroit Diesel is stumped!
DennisH
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Re: Engine Problems
Mon Dec 29, 2008 9:20 pm


Welcome Dennis,

I wish I could help you with your query but it is beyond my experience. We have lots of folks here with plenty of experience though that might be able to offer some scenarios.

In the meantime, we would love to see some pictures of your bus. Where are you located?
Dale Houston
1993 Eagle 15-45
Nashville, TN
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Songman
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Re: Engine Problems
Sat Jan 03, 2009 10:28 am


I have a GMC Eagle Model 10 and I live in Wisconsin. I'm not sure how to attch a picture of the coach.
DennisH
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Re: Engine Problems
Sat Jan 03, 2009 1:24 pm


What is a GMC Eagle?
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Boomer
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Re: Engine Problems
Sat Jan 03, 2009 6:52 pm


Dennis,

Do you have photobucket or webshots? That is the easiet way to post pictures of your coach. I use webshots, after loading my photos I can then go and choose a size, click on a forum link, copy and paste the code here. If you don't have those options send them to paul_lawry@yahoo.com and I will be glad to do it for you.

Paul
Becky & Paul Lawry
Dreamscape
1968 Eagle 01 #7443
Silver 8V92 HT 740

Dreamscape Eagle Travel Blog: https://dreamscapetravels.wordpress.com/

Dreamscape Build Blog: https://dreamscapesilvereagle.wordpress.com/
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Re: Engine Problems
Sat Jan 03, 2009 9:01 pm


Dennis-

Off-hand taking a "swag" at a possibility, the only experience I've had with a filter collapse (other than the obvious plugged filter), was a defective check valve in some of the after market filter housings or a hunk of silicone from the pan gasket that was sucked into the oil intake.

If you want to diagnose it, you'll probably end-up pulling the lines and pushing with compression or pulling with vacuum (my preference is pushing with compression); if you do this, you'll have to pull the oil pump

If you've had the engine rebuilt and still have the problem, then the problem might be most likely with an ancillary part not directly associated with the engine (such as the filter housing or a line degradation).

Good luck--and don't fire it without oil pressure. . .

Art
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Sunchaser Art
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Re: Engine Problems
Mon Jan 05, 2009 7:34 pm


Art,

Thank you for your response. Detroit Diesel is going to install new 1" oil lines to a new oil filter base, remove the oil pan and checking or replacing relief valves for debris. They will be doing this when it gets alittle warmer in Wis., so it probably won't be done until March or April. We have it in storage and they don't want me to drive it, so they have to come to us. Will let you know what happens.
DennisH
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Re: Engine Problems
Mon Jan 05, 2009 7:36 pm


Boomer,

Sorry I should have typed a 1982 Silver Eagle Model 10.

Thanks

Dennis
DennisH
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Re: Engine Problems
Mon Jan 05, 2009 8:16 pm


OK, Dennis is not getting much help here.

I have no experience here, but I have slept in a Holiday Inn Express :D

I did a google search using "oil filter" + collapse (include the quotes and +) and found several hits. I did not spend a bunch of time, but the following two seem to have some information:

http://www.machinerylubrication.com/art ... icleid=398

http://www.cessna170.org/forums/viewtop ... f=2&t=4614

Seems like the common issue is bypass valve. I don't know if DD filters have/need a bypass valve, or if one is built into the oil filter housing. In any case, that would seem to be a place to start.

I hope you still have the filter and can double check to make sure it is the correct filter for the application (and a quality filter). I would contact the manufacturer and see what they have to say.

Some of the sites mention a stuck pressure valve in the oil pump (too high of pressure) and clogged filter.

If you have the filter, make sure to do a good inspection of the filter and contamination. I would be tempted to take some of the material and see if an oil analysis company could do something with the material left in the filter.

Please keep us informed what you find.

As someone mentioned, don't run the engine until you find a probable cause.

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission - not at all fancy, but fully functional
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Re: Engine Problems
Mon Jan 05, 2009 8:54 pm


Image

Here is a picture of our 82 Silver Eagle. Hope I did it right.

Dennis
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