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GMC V6 and V12 Engines Engine repair and rebuilding |
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#1
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WARNING to all-NOTICE to Jeannie
There are at least two albums on 6061 regarding spin on oil filter for V6. Each shows the relief valve installed opposite of the other. One shows spring extending into the cavity where filter spins on and the other shows the spring sticking out towards the motor. These albums may used by many to be sure they do it right, like me. That's how I found them. One album is on the banner now. The other is by searching. Mine came with spring installed into filter cavity almost hitting the big threaded post. We need to fix this info. Right now I don't know what is correct for mine. It is possible this could cause serious motor damage. Not sure. Someone please look in their 66-68+ repair manual and let us know ASAP.
http://6066gmcclub.com/forum/album.php?albumid=63 http://6066gmcclub.com/forum/album.p...pictureid=2147 Last edited by AZKen; July 22nd, 2015 at 08:46 PM. |
#2
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Re: WARNING to all-NOTICE to Jeannie
I'm leaning heavily on the album that shows spring towards big threaded post, almost touching post.
Second link above. THIS IS WRONG, SEE BELOW. Last edited by AZKen; July 23rd, 2015 at 10:00 PM. Reason: Bad leaning |
#3
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Re: WARNING to all-NOTICE to Jeannie
Quote:
My reasoning is... Oil flows into the housing, through the filter and out through the center of the unit. So the pressure releif valve needs to have the valve facing where the oil comes in, with the spring behind it, so that if the filter clogs for some reason the pressure pushes the valve open and allows the bypass. The one you can see the spring suggests the valve is at the end of the spring, which means it is either open all the time or closed and the oil pressure won't push against it. So the first link, the one that shows two housings, would be correct. http://6066gmcclub.com/forum/picture...&pictureid=683 The upper passageway should be for the center, the oil going into the block, the lower passageway the oil coming from the oil pump. The bypass valve is in the end of the upper passageway. http://6066gmcclub.com/forum/picture...&pictureid=688 If the pressure in the filter gets too high, the valve in the center of this should push and compress the spring, allowing oil to bypass the filter. http://6066gmcclub.com/forum/picture...&pictureid=691 the valve portion goes up against the opening from the filter, with the spring behind it. This is what makes sense...
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-- - David R Leifheit in Dallas, Oregon mailto: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. (2) 1961 1500 1962 1000 1963 2500 1963 4000 1964 2500 |
#4
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Re: WARNING to all-NOTICE to Jeannie
This is probably next to useless, but it may come in handy on some level. I scanned this from a 1967 manual. My 1960 manual does not even have any pictures, so I know it will not help. Good luck, GM
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#5
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Re: WARNING to all-NOTICE to Jeannie
Thanks to all who are posting. After David posted, I went out and looked at the filter I have and the valve. David is %100 correct. The operation of the valve is such that to let oil back to motor, it needs to be installed with spring totally inside it's cavity. That is, this way.
http://6066gmcclub.com/forum/album.php?albumid=63 If we ever loose the pic: it is installed with the small hole towards the motor. Entire valve stays inside it's cavity. All as David said AND as the Album owner shows. Kudos to him/her. We need to purge any and all info showing otherwise, such as this: http://6066gmcclub.com/forum/album.p...pictureid=2147 This is the "Go-To" site for V6, we can't give out bad info. It would only ruin a motor if the filter got extremely clogged and valve was backwards. When valve is installed correctly and operating, dirty oil is being returned to motor. But dirty oil is better than no oil. I realize it was not the intention to give bad info, I myself was sure it was correct because I received a filter with it installed that way, a EBAY filter shows it that way and the album shows it that way. It fell out and everybody put it back the wrong way. "It's like a box of chocolate." Last edited by AZKen; July 24th, 2015 at 12:04 AM. |
#6
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Re: WARNING to all-NOTICE to Jeannie
Album purged by Admin. thank you. very quick response. All is well in 6066ville.
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#7
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Re: WARNING to all-NOTICE to Jeannie
mine valve came out of the housing last night when i removed the housing is the normal? or does it need to be in there solid? thanks
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#8
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Re: WARNING to all-NOTICE to Jeannie
Yes, it's a press-fit into the housing. Try getting a new valve and see if it's tight. You might try, very carefully, staking the valve in with a long pin punch.
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