AXLE SEALS

Looking to replace front axle seal on passenger side of a 94 GMC 1/2 ton 4x4, do you have to take the whole wheel assembly apart or can you break it
apart at the flange and take it apart from there????
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I've never tried it but i suppose you could break it at the flange..... I wouldn't attempt it that way...but do it like u wanna
--
Mad-Dog
'79 Chevy K-10
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Believe it or not....the easiest way to replace that seal on this vehicle is to completely remove the front diff assembly. If you have never done this before, I would do that, then remove the right side extension tube and then remove your right side axle. If you attempt to simply remove the long axle, there is a washer inside the tube that can go sideways...you can re-install the long axle, but your will not be able to shift in 4x4 if that washer is not in the correct position. Removing the extension tube and re-assembling it correctly will make sure the washer stays in it's correct position. The only way to make sure the washer stays in place is to apply voltage to the actuator, it makes it's shift which captures the washer in place, you then can remove the long axle shaft without having to worry about the washer moving around. If it's the old style heated element actuator, you must keep the voltage applied, otherwise it will back off when the voltage is removed. The newer style actuator will stay in position once it's been moved "into the correct position".
On the other hand, I always just use a very long screwdriver to reach down inside the tube, center the washer and then re-install the long axle....but I've done literally hundreds of these types of repairs.
Ian
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