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DANA 18 TRANSFER CASE - GASKET |
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ggordon49 
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 Topic: DANA 18 TRANSFER CASE - GASKETPosted: 22 July 2021 at 10:19am |
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Should a gasket be installed in the location shown? I do not see it in any of my books, however, the existing bearing cap I removed appears to show signs of an old one? This would be installed in front of the shims. Thank you!
  Edited by ggordon49 - 22 July 2021 at 10:29am |
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- Don't Let The Fatherless Ones Grind You Down -
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SE Kansas 46 CJ-2A
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Posted: 22 July 2021 at 11:56am |
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No, because it would affect the shim pack thickness and that would affect the preload on the tapered bearings that are used in the rear output shaft. Spray Copper Coat both sides of each shim lightly and let it get tacky. It will serve as a sealant between the case and the shims and each of the shims to each other as well as the rear output shaft bearing retainer.
Edited by SE Kansas 46 CJ-2A - 22 July 2021 at 5:10pm |
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46 CJ-2A #64462 "Ol' Red" (bought April 1969)(second owner)(12 V, 11" brakes, M-38 frame, MD Juan tub)
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OnlyOneDR
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Posted: 22 July 2021 at 12:08pm |
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Another option is a lightly spray coat of Permatex Spray Sealant on all the shims after cleaning and before re-assembly.
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Searching for time to put it all together...
1950 CJ-3A #37751 In Pieces 1969 Chevy Blazer Resto-Mod Waiting for its day... 2001 Nissan Frontier Crawler Adventure Rig |
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ggordon49
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Posted: 22 July 2021 at 12:24pm |
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Ok, great! Thanks guys... That makes sense. Here is an actual photo of the part that got me wondering: I have no doubt someone has been in here before me, so I'm not surprised to find things wrong.
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- Don't Let The Fatherless Ones Grind You Down -
- I like them stock, survivor's with original paint are my favorites - |
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oldtime
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Posted: 22 July 2021 at 12:45pm |
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Originally there was a gasket placed between the rear bearing cap and the brake backing plate.
No gasket is associated with the rear bearing cap shims. The recess area pointed to in pic above is for the bearing cone.
Edited by oldtime - 22 July 2021 at 12:48pm |
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Currently building my final F-134 powered 3B .
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SE Kansas 46 CJ-2A
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Posted: 22 July 2021 at 2:14pm |
Wouldn't that be the bearing cup rather than the cone? |
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46 CJ-2A #64462 "Ol' Red" (bought April 1969)(second owner)(12 V, 11" brakes, M-38 frame, MD Juan tub)
U.S. Coast Guard Chief Petty Officer(ret.) U.S. Army Vietnam veteran and damned proud of it. |
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oldtime
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Posted: 22 July 2021 at 2:58pm |
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Yes exactly, not sure why I typed in “cone” instead of “cup”.
I guess I had the term “race” in mind which I don’t like to use. Willys always refers to them as “cups” and not as a “race” as many other will call it.
Edited by oldtime - 22 July 2021 at 3:01pm |
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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oldtime wrote: