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  #46  
Old 03-14-2012, 07:30 PM
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Do you have unusually thick oil or a high pressure pump?

I'm grasping at straws here...
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'87 F-250
460, 4V 0-80457s, Edelbrock Intake, Saginaw PS Pump, BW 1356 4x4, 4.10 10.25", 130A 3G Alt., PMGR starter, ZF-5, - Lil' Red
http://i246.photobucket.com/albums/gg117/donjamer/FTE%20Pics/blumax500-1-1.jpgFTE Fraternity of Blue Max
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  #47  
Old 03-14-2012, 07:34 PM
explorer1803 explorer1803 is offline
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A local repair shop checked my oil pressure with an external guage and informed me it was way within tolerance. They did not tell me what the pressure was however. My oil pressure indicator inside the vehicle does not register exceedingly high but very average. It does not have lbs. but just bars on the guage. It registers about in the middle or a little less.
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  #48  
Old 03-14-2012, 07:35 PM
explorer1803 explorer1803 is offline
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I forgot to add that I am running Castrol 10-30 oil.
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  #49  
Old 03-14-2012, 07:44 PM
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Sounds like everything is good there!
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'87 F-250
460, 4V 0-80457s, Edelbrock Intake, Saginaw PS Pump, BW 1356 4x4, 4.10 10.25", 130A 3G Alt., PMGR starter, ZF-5, - Lil' Red
http://i246.photobucket.com/albums/gg117/donjamer/FTE%20Pics/blumax500-1-1.jpgFTE Fraternity of Blue Max
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  #50  
Old 03-16-2012, 08:42 PM
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460 Oil Leak E350 Class C Motorhome

It appears I finally solved my oil leak problem(s). The leak was in two places from what I can determine. The oil filter adapter was leaking no matter what "0" ring I installed. It also leaked around the adapter bolt head after trying several different types of washers. I removed the oil filter adapter. I purchased an insert from Ford (Part #FIAZ-6890-B. I installed this in the hole in the block where the oil adapter bolt had been. I then installed three different sizes of Fram oil filters, PH16, PH43 and a PH8A. They all leaked no matter how tight I dared tighten them. I tried a Motorcraft FL-1A and tightened it down as tight as I dared. It did not leak! However, I then noticed the oil pan was also leaking. The pan was leaking in the direct proximity of the oil filter which made it very difficult to discern where the oil was coming from. I carefully removed a couple of pan bolts one at a time and added some Permatex Ultra Grey RTV Silcone Gasket Maker into each bolt hole and on the bolt threads. I carefully screwed them back in taking care not to over tighten them. I let the material cure for 24 hours before starting the engine. I drove the Motorhome 25 miles and no leakes! So, that said, I hope I have the problem solved.
Thank you to everyone who patiently and kindly gave me suggestions.
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  #51  
Old 06-13-2013, 01:49 PM
Gruffbanejoe Gruffbanejoe is offline
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83 FORD Recurring Problem ME TOO!

I was having this same problem and just replaced the filter with the Motorcraft and it stopped leaking...for almost two months. It started leaking again and I tried to tighten it.
Like the first time when I installed it, the filter moves strangely when I tighten it, as if the boss or adapter are loose.
But this time the leak didn't stop.
So I bought another motorcraft, but I can't find a Ford part
#FIAZ-6890-B suggested in this thread.
Is there another name for that part? Is it called a oil adapter replacement?
I am going to try to tighten the bolt in the existing adapter as I saw mentioned in another thread, but don't know how long or if it will work...

Last edited by Gruffbanejoe; 06-13-2013 at 01:52 PM. Reason: clarification
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  #52  
Old 06-13-2013, 03:23 PM
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The mentioned part number is a block insert to allow a filter to be installed sticking straight out from the block.
It may work in a motorhome but definitely won't fit the crossmember in my F-250.

If the 'O'ring that seals the adapter to the block is damaged no amount of tightening will help.
Get a new O-ring and a sealing washer to go under the banjo bolt.
Fit the filter to the adapter so you make sure it won't contact the frame or lower radiator hose before you tighten the adapter back down.

I bet that will solve your problem.
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Jim (AKA Princess Glitzhooter)
'87 F-250
460, 4V 0-80457s, Edelbrock Intake, Saginaw PS Pump, BW 1356 4x4, 4.10 10.25", 130A 3G Alt., PMGR starter, ZF-5, - Lil' Red
http://i246.photobucket.com/albums/gg117/donjamer/FTE%20Pics/blumax500-1-1.jpgFTE Fraternity of Blue Max
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  #53  
Old 06-13-2013, 03:35 PM
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I see that part available all over the place for $7.11
It is the same as D7AZ-6890-B and you need a 7/16" Allen wrench to install it.

If you want to find Ford parts on the internet use no caps or dashes.

For example; f1az6890b -or- d7az6890b
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Jim (AKA Princess Glitzhooter)
'87 F-250
460, 4V 0-80457s, Edelbrock Intake, Saginaw PS Pump, BW 1356 4x4, 4.10 10.25", 130A 3G Alt., PMGR starter, ZF-5, - Lil' Red
http://i246.photobucket.com/albums/gg117/donjamer/FTE%20Pics/blumax500-1-1.jpgFTE Fraternity of Blue Max
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  #54  
Old 06-13-2013, 08:51 PM
Gruffbanejoe Gruffbanejoe is offline
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Yes thanks I finally figured that out.
However torquing the bolt in the existing adapter stopped the wierd moving and torquing both the filter and the bolt fixed the leak, at least for now. If it happens again might try the part.
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Old 06-13-2013, 08:51 PM
 
 
 
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