Rear differential - Replace or rebuild
Laughing Gas
Joined: Sep 2005
Posts: 984
Likes: 8
Unless you drive in a straight line and never turn the spider gears will be moving. Shock load is what typically kills anything in a diff. If it were mine I would, just rebuild it including the bearings. Don't be afraid of a used carrier if you need one. Remember don't mix and match bearings and races.
Elder User
Joined: Sep 2006
Posts: 798
Likes: 1
From: Alma Arkansas
I agree with the not broke no fix crowd.
HOWEVER if you do decide to rebuild don't bet the farm on your existing housing even being rebuildable
https://www.ford-trucks.com/forums/s....php?t=1269163
HOWEVER if you do decide to rebuild don't bet the farm on your existing housing even being rebuildable
https://www.ford-trucks.com/forums/s....php?t=1269163
Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
If it runs and drives just fine why bother fixing what isn't broken? These things last a LONG time, and you could have lots of time left on yours.
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
Guy's if there is a bunch of metal in there he needs to find out where it came from and repair it..If you let it go it could become a major problem. It could take out all the bearings if he were to let it go.
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Freshman User
Joined: Sep 2010
Posts: 48
Likes: 0
It was not making any loud noises except for a little amount of what I would call a groan with some floor vibration when I would let off the pedal on the highway.
Honestly I don't tow often with the truck (it is more truck than I need) and if I wasn't about to move across the country in a few months I would just keep driving on it until it failed. Now that I have seen the metal bits in the oil I don't trust it to take me, my trailer, and my new bride across the US. I'm not tight on money so I am willing to pay extra for piece of mind.
The mechanic reports about two grand for the jasper differential and about 300 in labor to install. I'm going to go that route for the piece of mind that the warranty brings. I know nothing will guarantee that I won't have the same out different problem on the drive but I think this is my best bet.
Good idea on having the backing plates checked. I'm also going to have him drill and tap a grease fitting on the slip yoke for easier greasing. Any other ideas on things to do now that he has things apart back there? Thanks again
Honestly I don't tow often with the truck (it is more truck than I need) and if I wasn't about to move across the country in a few months I would just keep driving on it until it failed. Now that I have seen the metal bits in the oil I don't trust it to take me, my trailer, and my new bride across the US. I'm not tight on money so I am willing to pay extra for piece of mind.
The mechanic reports about two grand for the jasper differential and about 300 in labor to install. I'm going to go that route for the piece of mind that the warranty brings. I know nothing will guarantee that I won't have the same out different problem on the drive but I think this is my best bet.
Good idea on having the backing plates checked. I'm also going to have him drill and tap a grease fitting on the slip yoke for easier greasing. Any other ideas on things to do now that he has things apart back there? Thanks again
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
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Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
Well if he is going with a reman rear axle the brake will be gone threw I am sure. I am curious though, does the new axle come with brakes? I would assume not but you never know.
Good time to add/remove or change rear springs.
Good time to add/remove or change rear springs.
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
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Freshman User
Joined: Sep 2010
Posts: 48
Likes: 0
Well everyone, just got the truck back. Cost was 2300 for the rear end, 300 for labor, and 250 in taxes. No small ammount but at least it is back together and driving smoothly. Parking break looked fine but it's time to change the rear brakes. Thanks to everyone again for the input. I do like having the piece of mind of the 3 year 100k mile warranty is always there if I need it.
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