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#1
03-11-12, 03:43
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That is a washer, non-metallic, paper, .040 thick, pn (victor gasket co) 26301. In other words it is a gasket that goes behind the seal to prevent the oil from sneaking around the outer edge of the seal. That was in the days before RTV. Put a slight film of rtv (automotive silicone...Room Temperature Vulcanizing) on the outer edge of your seal before installing and you'll be fine. Throw away the paper washer.
If you really want to be original, you can get some .040 thick gasket paper and cut one, but you really don't need it. Also, it will only work if your seal is a double sided case like what you took out. Most likely your new seal is a more modern single lip and open on the inside. The gasket will likely do nothing on that type of seal. 
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#2
03-11-12, 04:04
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Hey thanks Rob. I have some of the parts ready at the store but others are on the way.
I figured the seal was ancient. I know to put some grease in the spring side as well but will most likely put the seal in while the whole unit is on the bench, then re install the unit. maybe will have it ready for the Lions football game tomorrow for the veterens...? We'll see...?
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M38A1 CDN 53-32490
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#3
03-11-12, 04:43
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The reason you put the grease on the inside is to prevent the spring from popping off while you are driving it in. Don't overdo the grease.
There should be shims in between the housing you removed and the transfer case. They are what set the bearing preload. Make sure they are clean and re-install all of them.
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#4
04-11-12, 04:17
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Yes there was one shim. I did clean it and it is ready to put back in. Yes sparing the grease. I did get the same seal you suggested for the pinion the 5778. It has the goop on the rear part of the seal housing...I'll put some rtv on it anyway..on the sides... Thanks for the heads up Rob!
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M38A1 CDN 53-32490
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#5
08-11-12, 04:53
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Well got the rear seal out and compared it to the original...they look good. The onlt difference is that the rear pinion seal i had in there was a cone shape. Now i know this shouldn't really matter but the new one is not and the new seal will run on a previously unused part of the shaft. We are talking rear pinoin diff here.
So with the discolouration on the unused portion there are no grooves...can this be cleaned up with super fine steel wool to polish the surfice back to smooth clean? Also since the groove that was in the rear output shaft wasn't deep at all and there were no burs the directions said to put a small amount of a non hardening compound to hold the speed sleeve in place. I am going to say that the RTV will work for this and let it cure before installation? Do you think it wise to remove the ridge that is provided to press the sleeve on? It is already cut for this purpose but it did say it is not essential to remove if it is not in the way... I am thinking take it off once cured and in place..the less stuff that can come off there the better. Otherwise will have it back on the road Monday hangover or not.
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M38A1 CDN 53-32490
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#6
08-11-12, 06:24
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I would polish it with some extra fine emery cloth and just run the seal without a speedi sleeve. Saves you $40.
In the old days we would use crocus cloth, but I am not sure they make that anymore. But if you mount the yoke in a vise, and work thin strips of fine emery like a shoe shine cloth, the shine should come back.
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