Author Topic: overhauling a birfield joint  (Read 3548 times)

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weakyota91

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overhauling a birfield joint
« on: Mar 23, 2011, 08:21:51 PM »
So ive had my spare front axles sitting in my garage colletcting dog hair and dust now for about a year. I found a good writeup on how to take the birfields apart, clean them, re-grease them and put them all back together. http://www.runandplaymotorsports.com/Birfield%20Build.htm My question is how important is the type of grease i use? Bel-ray waterproof, marine grease is what i have a ton of in the garage. Will it be life or death situation if i use the "wrong grease" :gap: i know its not routine maintence to tear these apart but anyone ever done it?

ninja turtle

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Re: overhauling a birfield joint
« Reply #1 on: Mar 23, 2011, 08:50:50 PM »
cv grease is what is called for but i use moly most the time. since these are your spares i would just run what you got.

i always pop the birfs open when you got them out. you can find stuff like this before its a problem.

weakyota91 [OP]

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Re: overhauling a birfield joint
« Reply #2 on: Mar 23, 2011, 09:03:27 PM »
ya probly really true. i really havent done any wheelin that will break a birfield yet but am puttin dual cases in and plan to go to the rubicon and other trails soon and will break one sooner or later im sure. i will probly wait till i break 2 stockers before i fork out the money for longs. but didnt know taking a birf apart is as easy as it is, basically  just for inspection, good cleaning from neglect until i got to researching.

OOPS

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Re: overhauling a birfield joint
« Reply #3 on: Mar 24, 2011, 03:11:54 PM »
There is nothing to rebuild in a Birfield, you take them apart to inspect them for cracks and clean them up. Stock ones come apart easy and is covered in the FSM, Longs are another story, but they do not come apart as easy, but they do come apart.. I have always a high tack molly red grease with success. CV grease is not called for in the FSM, it says to use Molybdenum Disulphide Lithium Base grease, what ever that is.
« Last Edit: Mar 28, 2011, 09:15:32 PM by OOPS »
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Re: overhauling a birfield joint
« Reply #4 on: Mar 28, 2011, 08:37:48 PM »
OOPS said it better than I was gonna, but ya the rebuild is either it becomes a paper weight or some sort of lawn ornament.
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