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Dana 30 Axle Shaft Slingers/shields

Discussion in 'Early CJ5 and CJ6 Tech' started by linckeil, Feb 25, 2020.

  1. Feb 25, 2020
    linckeil

    linckeil Member

    Danbury CT
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    I'm looking for the shields that press onto the axle shafts (both inner and outer) of a dana 30 out of a 1973 CJ5. Here is a picture from a FSM illustrating what I am looking for - see yellow highlights:

    dana30shields.PNG
    Part number 10.004-16 is listed by some vendors as Dana part number 36364 and is said to fit all CJ dana 30 axles.
    Per my research, Dana 36364 has an ID of 2.125" and an OD where the seal rides of 2.25". However the shield that came out of my 1973 axle (in need of replacement) has an ID of 1.875" and an OD where the seal rides of 2".
    Where can I find the correct shield for my application? I can't locate it.

    And I also highlighted the inner axle shield 9.368-9 above. Any good part numbers for that piece?
     
    Last edited: Feb 26, 2020
  2. Feb 25, 2020
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
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    "And I also highlighted the inner axle shield 9.368-9 above. Any good part numbers for that piece?"

    8126232, 1974 and later.
    73 and prior years, they were only furnished as part of the axle shaft from the factory.
    Are they the same?
    Should be I would assume.
     
  3. Feb 25, 2020
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
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    8121398 would be the correct Jeep part number for 72 and 73 models as well.
     
  4. Feb 25, 2020
    linckeil

    linckeil Member

    Danbury CT
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    thanks. the 8121398 jeep number is given above in the drawing. the trouble is that when i search for that part number, the few listings that come up call for the spindle thrust washer - which i believe is actually part 10.004-15 in the above drawing (jeep part number 8121397). Here is what comes up:

    Front Drum Brake Spindle Thrust Washer Fits 72-77 CJ with Front Dana 30
     
  5. Feb 25, 2020
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
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    Is that one spacer not included in the spindle bearing kit ?
     
  6. Feb 25, 2020
    Steve's 70-5

    Steve's 70-5 Active Member

    Louisville, Ky
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    Just did my 30, the parts are still available. I think I found parts on Amazon.
     
  7. Feb 25, 2020
    linckeil

    linckeil Member

    Danbury CT
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    i've only come across this one. QU40324 Early 2" Outer Axle Shaft Slinger

    it is the only one i found that has the 1.875" ID and a 2" OD where the seal rides, but $50 is outrageous. all others are a 2" ID and a 2.25" OD where the seal rides and sell for under $10.

    Steve - what year is the dana 30 you rebuilt? and you replaced this shield? what was the part number?
     
  8. Feb 25, 2020
    Steve's 70-5

    Steve's 70-5 Active Member

    Louisville, Ky
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  9. Feb 25, 2020
    linckeil

    linckeil Member

    Danbury CT
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    ok, i think that's the difference. this odd ball shield i'm looking for appears to be specific to the '72-'75 dana 30. the 1976 and on shield is all over the place, but the pre '76 seems to be hard to find.
    but if you are able find the packages i would still be interested to see what part numbers you used.

    in the meantime, i'm hoping someone who replaced this shield on a '72-'75 axle can chime in.
     
  10. Feb 26, 2020
    Lockman

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    Silver Hill,...
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    If you can wait on me, I think I did that shield last year on my front Disc conversion. Very soon now, I will be checking my parts list, ' Cuz I'm installing a Lock- Right in the front Dana 30 of my '75.
     
    Last edited: Feb 28, 2020
  11. Feb 27, 2020
    Steve's 70-5

    Steve's 70-5 Active Member

    Louisville, Ky
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    Parts I used

    Inner dust shield, Splicer 35168
    Slinger Splicer 36364

    Got parts on Amazon.
     
    Lockman likes this.
  12. Feb 28, 2020
    linckeil

    linckeil Member

    Danbury CT
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    thanks for digging up the part number. I mentioned in my original post that the dana spicer 36364 outer axle slinger/shield has a ID of 2.125" and OD where the seal rides of 2.25". this is for '76 and up dana 30s which makes sense for you to use as you said your axle is a '76 or '77 model.

    the shield/slinger i need is for a '72-'75 dana 30 and has a ID of 1.875" and OD where the seal rides of 2".

    In searching the ECJ5 archives, I found 2 posts (each from 10 years ago) where someone was struggling to find this part. Neither post ended with answer, but i messaged each of the original posters, but neither has been to the website in a few years.... Still keeping faith someone who rebuilt a 72-75 axle will have an answer.

    Any recommendations for good, knowledgeable vendors that i can call? my experience is that most are just part houses and can't help with anything beyond a part number.
     
  13. Feb 28, 2020
    45es

    45es Active Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I looked up the part you are looking for in an old Spice catalog dated 1990. It appears unfortunately as jpflat2a indicated, that the part was included with the axle assembly and not listed as a separate item.
     
  14. Feb 28, 2020
    linckeil

    linckeil Member

    Danbury CT
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    Thank you for checking.

    The part that jpflat2a indicated was part of the axle assembly prior to 1974 (8126232, 9.368-9 in the drawing) is readily available in the aftermarket. This inner axle shield is part 16527.04 made by Omix-Ada. Getting this part is not a problem.

    The problem is locating part 10.004-16 in the drawing (jeep part number 8121398). This is the outer axle shield/slinger for a '72-'75 dana 30 and has a ID of 1.875" and OD where the seal rides of 2".
     
  15. Feb 28, 2020
    45es

    45es Active Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I understand completely what you said and what you are looking for. jpflat2a noted in post #2,

    "73 and prior years, they were only furnished as part of the axle shaft from the factory."

    In the catalog, it also noted "if used" with respect to the slinger. I think you are SOL in finding the part. But, I will also look to see if a generic manufacture can be found who do make such parts.
     
  16. Feb 28, 2020
    linckeil

    linckeil Member

    Danbury CT
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    I put together a side by side of both the 1972 and 1974 FSM's so that the differences can be seen.

    The inner axle shield was “part of” the axle shaft 9.368-1 in 1972 (hence the “PO” preceding the number in the drawing). In 1974, this shield became available separately and was no longer part of the axle shaft and received its own unique designation of 9.368-9. This shield is readily available today through the aftermarket.

    The outer axle shield/slinger always had its own unique designation of 10.004-16. This shield has proven very difficult to find.

    72vs74FSM.JPG
     
  17. Mar 2, 2020
    Steve's 70-5

    Steve's 70-5 Active Member

    Louisville, Ky
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    What did Dana change to need a different shield/slinger, from the years, the axle housing, spindle or axle shaft. Check into that. Will the new shield/slinger work with the new seals and related parts.

    Call Yukon Gear, Parts Mike, The Jeep Guy and any other vender that makes upgrades parts for the Dana 30 and talk to them. The venders on the West Coast are knowable.
     
  18. Mar 2, 2020
    47v6

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  19. Mar 2, 2020
    linckeil

    linckeil Member

    Danbury CT
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    It seems to boil down to a drum brake vs disk brake issue. The smaller 1.875" ID of the 72-75 (drum brake) shield is a light press fit onto the 72-75 axle shaft. Seeing as how the 76 and later (disk brake) shield measures an ID of 2.125", I have to assume the 76 and later out axle shaft have a larger diameter where this shield presses on.

    I've thought about what i'd have to do if i can't find the smaller shield. I haven't looked into it yet as its a last resort, but if i swapped the outer axle shafts, thrust washers, and seals to the 76 and up setup, i would then be able to run the larger 76 and up shield. seems like a lot of money for what is just a simple sheet metal shield. i'll probably talk to a machine shop about making the shields before going this route....
     
  20. Mar 2, 2020
    linckeil

    linckeil Member

    Danbury CT
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    Yes, I did read the thread - it was one of the first ones I came across when I began looking for this shield. There is talk of the shields being different and Nickmil mentioned that he wasn't sure if the smaller shields were still available and I didn't see any further discussion past that confirming or denying their existence - although its unfortunately looking like they are not being reproduced.

    I'm really curious to know what someone who has a 72-75 axle (and kept the drum brakes) did if they needed this shield? I can't be the only one looking to replace it.....
     
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