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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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Old 10-10-2000, 10:27 AM
dougg dougg is offline
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Movement in rear axles

I just bought a 92 f150 4x4 302 auto supercab. I noticed that I get a shake coming form the rear of the truck when driving. I need new tires so I just thought is was balancing. The other day I had a load in the back and the shaking changed. So I jacked up the back and pulled and pushed on the tires. They would move in and out about 1/16 of an inch. I didn’t notice any movement up and down or left to right just in and out. Does anyone have any ideas what this may be?


Thanks

Doug


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Old 10-11-2000, 02:19 AM
Superdave Superdave is offline
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Movement in rear axles

dougg, You should have the 8.8" rear end. And from what I have seen this is normal.

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Old 10-11-2000, 03:04 AM
PAUL_2 PAUL_2 is offline
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Movement in rear axles

The play is , Like Superdave said ,Is Pretty much normal . If you need new tires or if they dont have the correct pressures this can cause the problems you described .
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Old 10-11-2000, 08:37 AM
RGAZ RGAZ is offline
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Movement in rear axles

I am with superdave and Paul. If you have the 8.8 rear, which you probably do, the movement is normal. IF it really concerns you, you can have someone open the diff and see if the rubber-rings on the ends of the driveshaft are still intact. They kind of buffer the c-clip that holds the axles on the side-gears of the diff. The play is OK since the c-clips are captured and cannot come off the axles (thank-god) but the c-clip itself can take a beating if the play is excessive. 1/16" is not excessive.

Randy
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Old 10-11-2000, 09:08 AM
dougg dougg is offline
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Movement in rear axles

Thanks All,

Well it is unanimous! It is normal. But, I don't know if I now feel better about it or worse. I would think that on every corner I take it is going to slam. And make it worse. I can’t help but think that this is bad. Searching though the post on this forum I have read that axles are known to wear and that there is an “axle saver” bearing. Could this have any affect on the in/out play? Also how would I find out which rear I have?

Thanks again



Doug

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92 F150-302-4EOD Auto-Nite supercab LongBox.
Bassani Y-pipe W/Cat flowmaster force II cat back
Front leveling springs

99 Isuzu Trooper
94 Pontiac Grandprix 3.1
04 Searay 180 Sport!
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Old 10-11-2000, 10:00 AM
RGAZ RGAZ is offline
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Movement in rear axles

[font size="1" color="#FF0000"]LAST EDITED ON 11-Oct-00 AT 11:00 AM (EST)[/font][p]The axle saver bearing isn't for the problem you describe. That is for the wheel bearing side and has to do with bad bearings.

How do you know it's an 8.8? I don't remember how to tell off-hand, but it is most likely an 8.8 if it is a F-150 (vice a 250 or 350).

Randy
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Old 10-11-2000, 01:03 PM
dougg dougg is offline
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Movement in rear axles

Thanks, Randy

I was just thinking that since the bearing sits in a different location(with axle saver) that maybe it may hold the axle titer.

Doug


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92 F150-302-4EOD Auto-Nite supercab LongBox.
Bassani Y-pipe W/Cat flowmaster force II cat back
Front leveling springs

99 Isuzu Trooper
94 Pontiac Grandprix 3.1
04 Searay 180 Sport!
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Old 10-11-2000, 02:38 PM
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Movement in rear axles

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Old 10-11-2000, 02:38 PM
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Go Back   Ford Truck Enthusiasts Forums > Older, Classic & Antique Trucks > 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks

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