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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Rear Axle Trouble

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Old Feb 7, 2009 | 12:40 PM
  #1  
1979FORD400's Avatar
1979FORD400
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Question Rear Axle Trouble

I've got a 1988 F-150 that has a bent rear left axle shaft. I took the wheel off got the brake drum off pulled the pumpkin cover off then took the little screw on the side to get the lockpin out it came out fine but I can not get the lockpin out any suggestions greaty appreciated!
 
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Old Feb 7, 2009 | 01:26 PM
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quisp-n-quake's Avatar
quisp-n-quake
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Originally Posted by 1979FORD400
I've got a 1988 F-150 that has a bent rear left axle shaft. I took the wheel off got the brake drum off pulled the pumpkin cover off then took the little screw on the side to get the lockpin out it came out fine but I can not get the lockpin out any suggestions greaty
appreciated!
Go behind the Brake drum Backing plate attached to the axel housing-(where the brake bleeder is)-4 bolts in the backing plate releases the axel
 
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Old Feb 7, 2009 | 03:50 PM
  #3  
F150xlt's Avatar
F150xlt
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From: Baltimore
Originally Posted by 1979FORD400
then took the little screw on the side to get the lockpin out it came out fine but I can not get the lockpin out any suggestions greatly appreciated!
If this is a 8.8 rear, are you sure the lock pin bolt head didn't snap off?

Here's a picture of the lock pin. The head sometimes snaps off and the rest of the lock pin still holds the pinion shaft in place.

To get the rest of the pinion lock bolt out you either drill it out or use a torch and cut a groove in the pinion shaft (which requires the pinion shaft be replaced) to get the remains of the pinion bolt out.

If the lock bolt is out, use a punch and knock the pinion shaft inward about one inch. Rotate the axle 180 degrees so you can grab the pinion shaft with some vice grips and pull it out.

Once the pinion shaft is removed, you push inward on the axle and remove a C shaped clip. The axle can then be pulled out. Note where the C clip seats, there is a rubber O ring next to it that you need to transfer to the new axle.


 
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Old Feb 7, 2009 | 06:43 PM
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icrman
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Jack up both rear wheels. Rotate that carrier with the pin in it, till the end opposite the bolt is facing you take a punch and hammer and tap it a bit till it moves about 1/2 inch then roll it around till ya have the other end facing you then stick something like a small punch in the hole and wiggle it and pull it out.
 
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