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Discussion Starter · #1 ·
Ok this should not be a hard job.I have already removed the wheels ,drums,rear end cover and the pinion shaft.I can not get the axles to push in enough to get the c clips out.This my first time to do this if that realy matters but it seems like the clips are hitting the plates on the outside of the springs.Its a 3:31 posi.In a 70 ss 396.Do i need to rotate the axles or what.Both of my cars have leaky seals all the sudden the other one is a 9 inch in a 56 210.They just pull out.Very much appreciate your input.I'am going crazy here.
 

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You have to pull out the plates with the springs then the axels will go in futher. On the 210, I haven't had one of those apart for so long? I think you unbolt the axel flanges at the backing plate and PULL. Good Luck, Rick................
 

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Before you try to pull the plates out, try moving them around some with a screw driver. If you pull them out you could have a hard time getting them back in. You almost need 4 hands to get them in sometimes. I have removes C clips in posi rear ends many, many times without ever removing the plates. Just be patient and keep trying.
Here is a little tip on the axle seals. When you put the new ones in clean the axle tube well and smear a light coating of RTV sealant around the hole before you drive in the new seal. Many times a new seal will leak around the outside. Put a little wheel bearing grease on the lip of the seal before you put the axle back in. You may want to clean the axle surface with some steel wool or something to remove rust or varnish and give the seal a smooth surface to run on.

[This message has been edited by big gear head (edited 08-21-2001).]
 

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All you need to do is remove the retaining bolt that holds the center shaft in place, slide the shaft out, and now you will be able to push the axles in so the c clips can be removed. Don't remove the plates or the springs. Be careful so the spider gears that the center shaft goes thru don't get knocked out of alignment with the holes in the case- the bushing washers behind the spiders could fall out and you wouldn't notice it easily. Like the guys said above, you may have to move the plates by tapping or lightly prying on them for alignment, but you shouldn't have to remove them.

[This message has been edited by Wooderson (edited 08-21-2001).]
 

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Discussion Starter · #5 ·
Well I was hoping someone else would tell me i did not have to take any spring/plates out that did not look like fun even though it would have worked but getting them back in no way for me on the ground working to.So tonight when i get home i will try it again the way you guys said maybe a little prying or moveing the plate around.When i first took out the pin and moved the axle a washer fell out and it was cracked so i got 2 new ones from my local chevy dealer.I think they go on top of the spider gears one on each between the gear and the posi housing i know thats not the right word to call it.What i dont understand is only one fell out so one should have one in it but i can not see one and i dont know which one it came off of.Could it have been missing already or is it that hard to see them.This is not one of those fun first time jobs for sure.With your guys tips it make it much nicer.Let me know about those washers too.Thanks.

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My 70 Chevelle SS & 56 Pro Street Chevy
 

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The last posi that I pulled the axles on had the "axle-saver" bearings in it. They seemed to stick outboard more than the standard seal/bearing combination. I had a devil of a time getting the clips off. Through a combination of hammering on the axle drive plates (I was changing the axles anyway), prying on the clips and chiseling on them, I got them out.

I think mine would have been easier with an "open" rear-end. Your results may vary. Good luck.
 

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Discussion Starter · #7 ·
I got them out
What i did was to rotate the unit 360 the other way around and they missed the plates,pushed in enough so i could pull the clips out with my fingers.Now whats the best way to remove the old seal with damaging the axle hub.Should i use a screwdriver i dont want dent or scratch up anything.After the old seal is out and the new one goes in i still have to get those washers in where they go.If you have any tips on getting the seals out and those washers back in let me know.I'am trying to get this done before the weekend,then i can start working on my 9 inch that has bad seals,i guess they just pull out,its hard to beleive both rear end axle seals went out in the same week .

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My 70 Chevelle SS & 56 Pro Street Chevy
 

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I'm afraid that you will now have to pull the ptates and springs to get the spider washers back in. The one being broke would come out easily, but a new one probably will require pulling the springs/plates. After the springs/plates are pulled, rotate an axle to move the two small spiders so you can slip a washer underneath. Then rotate the other direction(not too far) and slip the other washer in. It can be tough getting them in. For the springs/plates I use small c clamps to compress one end just enough to allow it to start and a hammer to tap the spring/plate assembly back in when ready. Remove the c clamps when it starts to fit in. Big slip joint pliers will work if you have a friend to assist. For the seals, I use a slide hammer with a hooked end to pull them out.

[This message has been edited by Wooderson (edited 08-22-2001).]
 

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Discussion Starter · #9 ·
Thanks Wooderson for all the info.I'am sure this is a easy job for someone who has done it before but this is my first time to do this.Before i take out the springs/plates has anyone ever installed the washers with out taking out the spring/plates.If they have to come out i will but it does not look easy looks like a lot of pressure on those plates.I got my new seals in and this is where i'am at now one step at a time i guess.
 

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This is too late to do you any good, but I once used large C clamps and a piece of steel angle across the axle flange and clamped to the backing plate. This pulled the axle in far enough to get the C clip out. It's easier to get them out if you use a magnet.

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My '69 SS
 

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If the clutches have some wear on them, which it sounds like they do,it may be easier to get the thrust washers back in with the springs still in there. They will push the axle gears apart and let the pinion gears lay loose in the case, which will give you room to get the washers in. You may have to rotate one axle gear a little to move the pinion gears around some, then you can put the washers on the gears and rotate them back into place. Don't rotate them too far out of place or you may have a hard time getting them back.
 

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Discussion Starter · #12 ·
I'am going to give that a try tommorow maybe i can get them in by rotating the axles around.I think i can get my better half to help me out she can rotate the axle while i work on getting the washers in its pretty tough rotating the axle and crawing back under the car to see what is going on inside the housing.If this does not work i will just try to take out the springs and plates like wooderson said.Its worth a shot.
 

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A Chevy chssis service manual and overhaul manual for your year will show and tell how to do everything the best way. Its well worth the $$$ if you are going to get into more than oil changes and such on an old car. Available on CD and in (re)print.

My $0.02
 
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