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Thread: Hot hubs after diff upgrade

  1. 1st April 2012, 03:52 AM #1
    markb
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    Hot hubs after diff upgrade

    Hi Guys
    I have just had an Ashcroft locker fitted to the front diff on my 87 Rangie along with as set of Hy tuff axles and A pair of Ahcroft cv's. All works well accept that the hubs get very hot. Even after a short drive of 20mins I couldn't hold my hand on the front hubs as they where so hot.
    I questioned my mechanic so he checked the hubs and bearing but said everything is ok. Is this normal?
    Cheers
    Mark
    Last edited by markb; 1st April 2012 at 04:26 AM. Reason: Double entry
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  2. 1st April 2012, 06:03 AM #2
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    Johnno1969
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    How tight are the wheel bearings?
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  3. 1st April 2012, 06:11 AM #3
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    Blknight.aus
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    nope, brakes may be touching, bearings may be slightly too tight OR worse the drive axle may be scuffing inside the stub housing or its bearing.
    Dave

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  4. 1st April 2012, 07:45 AM #4
    uninformed
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    are your swivels oil filled or grease filled? What cv type did you go for?
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  5. 3rd April 2012, 02:24 AM #5
    markb
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    Thanks for the replies.
    Seems that after a bit more driving they have settled down. After an hour long trip on the freeway the hubs where warm but not hot.
    What are the advantages of oil filled hubs? Mine are still greased.
    I have put in Ascroft cv's.
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  6. 3rd April 2012, 06:51 AM #6
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    benji
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    Gee, I wish I could do an upgrade like that to mine! LR changed to a runny grease to stop the swivel balls leaking. I've always used oil in my 93, as I feel it looks after the cv better.
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  7. 3rd April 2012, 07:00 AM #7
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    Quote Originally Posted by markb View Post
    What are the advantages of oil filled hubs? Mine are still greased.
    Oil lubricates better and is easier to change for routine maintenance or after water ingress.
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  8. 3rd April 2012, 05:51 PM #8
    uninformed
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    Quote Originally Posted by markb View Post
    Thanks for the replies.
    Seems that after a bit more driving they have settled down. After an hour long trip on the freeway the hubs where warm but not hot.
    What are the advantages of oil filled hubs? Mine are still greased.
    I have put in Ascroft cv's.
    Yes I saw you had Ahscroft CV's just wondering if the are the AEU2522 type or other. Reason I asked is, if they dont do a drop in exact replace ment cv, ie the R06665 or what ever the RR cv is, then there may be some slight change in parts like bonze bush etc. Just wanted to make sure all the correct parts where in there Incase a miss match was casing issue???

    IMO oil is better and it will lubricate the splines of the axle and driveflange along with the wheel bearings

    good to hear they have settled down
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