Tired of my 45 leaking oil!!

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   My father and I have been dealing with a nasty oil leak since we rebuilt our wd45 a little over a year ago.  It usually leaks about a pint of oil from the time we leave our trailer weighted up to the time we return back to the trailer in between classes. It is a big pain in the a$$ adding oil between each class and it needs to stop. We have replace the actual rear main seal twice, and the oil pan gaskets probably 6 to 7 times with still no luck.  We have looked at the end of the crank it is fine, nothing is coming out of it. The oil actually leaks out right infront of the flywheel where the oil pan goes around the rear main cap and make the moon shape if you will. Now I know not to cut them, but I do not know what we could be repeatedly doing wrong. I was wondering if the hole in the rear main cap shown in the picture below is a return hole for oil to go back down in the pan, and if so could that be where our problem lies? I don't if a guy could be putting the gasket to far forward, causing oil from that hole to build up and leak between the gasket and the pan. I just have no idea what is going on and any help is appreciated. Thanks!!!

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Juiceman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 26 Aug 2013 Location: West Virginia Points: 110	Post Options Post Reply Quote Juiceman Report Post Thanks(0) Quote Reply Topic: Tired of my 45 leaking oil!! Posted: 12 Jun 2015 at 2:02pm
	My father and I have been dealing with a nasty oil leak since we rebuilt our wd45 a little over a year ago. It usually leaks about a pint of oil from the time we leave our trailer weighted up to the time we return back to the trailer in between classes. It is a big pain in the a$$ adding oil between each class and it needs to stop. We have replace the actual rear main seal twice, and the oil pan gaskets probably 6 to 7 times with still no luck. We have looked at the end of the crank it is fine, nothing is coming out of it. The oil actually leaks out right infront of the flywheel where the oil pan goes around the rear main cap and make the moon shape if you will. Now I know not to cut them, but I do not know what we could be repeatedly doing wrong. I was wondering if the hole in the rear main cap shown in the picture below is a return hole for oil to go back down in the pan, and if so could that be where our problem lies? I don't if a guy could be putting the gasket to far forward, causing oil from that hole to build up and leak between the gasket and the pan. I just have no idea what is going on and any help is appreciated. Thanks!!!

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nella(Pa) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Allentown, Pa. Points: 3086	Post Options Post Reply Quote nella(Pa) Report Post Thanks(0) Quote Reply Posted: 12 Jun 2015 at 2:51pm
	There are two small F shaped gaskets that go under the rear main bearing cap. If they aren't in there it might leak. I always use gasket material on them to be sure that they seal.

bradley6874 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 05 Sep 2010 Location: salisbury md Points: 1344	Post Options Post Reply Quote bradley6874 Report Post Thanks(0) Quote Reply Posted: 12 Jun 2015 at 3:53pm
	Check out the viedo in the very first line in the tractor section that might help its a good viedo my hats of to the guys that took the time to do the viedo
	You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul

Don(MO) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Bates City MO. Points: 6862	Post Options Post Reply Quote Don(MO) Report Post Thanks(0) Quote Reply Posted: 12 Jun 2015 at 6:05pm
	You might like to watch this video they shot of me at last year's GOTO a time or two before putting her back togather again. If you still have trouble or have questions send me a PM and we can talk. Don http://www.youtube.com/watch?v=9LWCMvO_Dis&feature=youtu.be Edited by Don(MO) - 12 Jun 2015 at 6:08pm
	3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 19641	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 12 Jun 2015 at 6:29pm
	That crankshaft appears to be stroked somewhat.......more than 5 inches???

Juiceman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 26 Aug 2013 Location: West Virginia Points: 110	Post Options Post Reply Quote Juiceman Report Post Thanks(0) Quote Reply Posted: 12 Jun 2015 at 9:34pm
	Yes it is 5.5. And about that video i will be sure to watch it tomorrow morning before we start.

Juiceman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 26 Aug 2013 Location: West Virginia Points: 110	Post Options Post Reply Quote Juiceman Report Post Thanks(0) Quote Reply Posted: 13 Jun 2015 at 8:25am
	So that front seal that gies around the crank. Do you put the front cover on and install it only by shoving it in the with pvc pipe? Or should it already be in there when we install it?

Bill_MN Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Sioux Falls, SD Points: 1463	Post Options Post Reply Quote Bill_MN Report Post Thanks(0) Quote Reply Posted: 13 Jun 2015 at 7:38pm
	Front seal needs to be installed in cover before bolting up, make sure cover and seal are centered on crank so one side of seal doesn't wear down and leak. As far as rear main, the F gaskets are important but not as important as the glob of RTV you put in the corners where the seal meets the pan gasket. That's the only opening big enough to spew out a pint of oil in that short a time. Don's video is very clear on this
	1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow

Larry(OH) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Shreve Ohio Points: 1576	Post Options Post Reply Quote Larry(OH) Report Post Thanks(0) Quote Reply Posted: 14 Jun 2015 at 7:40am
	rear plug in Camshaft?
	'40 WC puller,'50 WD puller,'50 M puller '65 770 Ollie ALLIS EXPRESS contact I can explain it to you, BUT I cannot understand it for you!!

Juiceman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 26 Aug 2013 Location: West Virginia Points: 110	Post Options Post Reply Quote Juiceman Report Post Thanks(0) Quote Reply Posted: 14 Jun 2015 at 8:11am
	^^^^Yes it is. We are going to attempt to seal it this afternoon.

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 19641	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 14 Jun 2015 at 12:20pm
	If the rear plug is leaking, I'd remove it and make positively sure the drain hole to that cavity is open and not plugged. Should be able to shove a piece of mechanics wire thru it to be sure it's open, and don't plug it again with too much goo to seal the plug. Seal the plug externally.

Larry(OH) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Shreve Ohio Points: 1576	Post Options Post Reply Quote Larry(OH) Report Post Thanks(0) Quote Reply Posted: 16 Jun 2015 at 5:37am
	Did you guys find your leak?
	'40 WC puller,'50 WD puller,'50 M puller '65 770 Ollie ALLIS EXPRESS contact I can explain it to you, BUT I cannot understand it for you!!

Juiceman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 26 Aug 2013 Location: West Virginia Points: 110	Post Options Post Reply Quote Juiceman Report Post Thanks(0) Quote Reply Posted: 16 Jun 2015 at 7:08am
	Well we didn't even have the F gaskets in it, so there is a start. And the moon shape gasket had indian head not just in the corners, but everywhere, so they may have caused it as well. To be honest after watching that video its no wonder the thing leaked as much as it did. We decided to wait a little while before we put it back together because we might put new pistons and rings in. Have not totally decided yet so until she'll set. Thanks for all the help though, that video was a very good description of how to do it and like I said we did more than one thing wrong, so i'd say just the combination of things caused it to leak so badly.