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04-08-2018, 09:03 PM | #1 |
Senior Member
Join Date: Jul 2011
Posts: 165
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Axle End Play, Thrust?
Can anyone tell me what controls the axle end play in the model A differential? I have excessive play on both axle and the drums rub on the backing plates. What needs to be replaced or fixed or is this problem adjustable when rebuilding the rear end?
Thank you in advance. |
04-08-2018, 10:53 PM | #2 |
Senior Member
Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,360
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Re: Axle End Play, Thrust?
To start, is the axle nut tightened to 100 foot lbs?
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04-08-2018, 11:03 PM | #3 |
Senior Member
Join Date: Sep 2010
Location: Danville, CA
Posts: 1,557
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Re: Axle End Play, Thrust?
I have two cone spacers on one of my coupes. That sets the wheel outboard enough to make up for some wear so that the baking plate is free of the drum. My roadster has hydraulics and back when I owned a brake lathe I turned the backing plates and took an eighth off the side toward the drum. Do not need the cone shims on that one. My other coupe gets by with one cone on each side. When I rebuild the differentials, if I ever do again, I will fix the problem, but the cones work swell and have never had one fail. JMHO
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04-09-2018, 06:55 AM | #4 |
Senior Member
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Re: Axle End Play, Thrust?
Are you talking about actual end play, in and out, or just the up and down movement that is normal?
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04-09-2018, 07:12 AM | #5 |
Senior Member
Join Date: May 2010
Location: Epping N.H.
Posts: 3,014
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Re: Axle End Play, Thrust?
The actual end play is fixed,not really adjustable unless you get creative with machining shims and such.The back side of the axle gear rides on a machined surface on the inside of the carrier assembly,and the axle gear rides on the spider gears.Plus,there are little pads on the axle and spider gear shaft to hold it all in place.Nothing on the outboard has anything to do with end play.If the carrier bearings are loose the whole thing will slide back and forth,but that is not end play.It will give the same effect,or problems though.
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04-09-2018, 08:34 AM | #6 |
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Join Date: May 2010
Location: Jordan, MN
Posts: 1,411
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Re: Axle End Play, Thrust?
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So you may need to find replacement axles, spider gears and carrier as I did. Good Day |
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