Rear End options.. what is inter changable?
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Rear End options.. what is inter changable?
i am looking for a new rear end for my 1998 Expedition, i was wondering what is all inter changable.
like out of which years, what other trucks (ie. will a f150's rear end fit? )
and by rear end mean drive line rear end.
like out of which years, what other trucks (ie. will a f150's rear end fit? )
and by rear end mean drive line rear end.
Senior User
Joined: Mar 2009
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From: Middletown NJ
Just some quick googling of 9 3/4 rear end turned up
Ford 9 3/4 Differential Replacements for 8.8 - Drivetrain.com
Along with a few other links. Google is your friend, don't forget about it. It seems you would have a 8.8 Rear end as the expy is almost an F150, which has it. I am going to go with(if this link was correct at what you were looking for) that it is not bolt on and will take a good amount of time, a fair amount of tools and knowledge, and a couple extra sets of hands to put on.
Ford 9 3/4 Differential Replacements for 8.8 - Drivetrain.com
Along with a few other links. Google is your friend, don't forget about it. It seems you would have a 8.8 Rear end as the expy is almost an F150, which has it. I am going to go with(if this link was correct at what you were looking for) that it is not bolt on and will take a good amount of time, a fair amount of tools and knowledge, and a couple extra sets of hands to put on.
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well that isnt what i was looking but thank you anyway though, i dont need to beef up the diff,
i just want to replace with a complete rear axle, diff, assembly. and i have been looking on google for a few days now and i cant seem to find anything that tells me what can be swapped out with one another.
i just want to replace with a complete rear axle, diff, assembly. and i have been looking on google for a few days now and i cant seem to find anything that tells me what can be swapped out with one another.
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Joined: Dec 2002
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From: Bellevue, NE
No an F-150 rearend won't work without welding. The F-150's have leaf spring rear suspension, while Expi's have Coil Spring or Airbag suspension.
Most Salvage yards have an interchange manual/database. They can usually tell you what to look for. I'm not 100%, but any rear end from a 1997-2002 Expi with the same drive configuration as yours (2WD or 4x4) should bolt in. Also look at the rearends from 1998-2002 Lincoln Navigators. But some Expi's have rear drums and some have rear disc brakes. One with disc brakes likely has a different master cylinder than one with drums. A 9.75" rearend with disc brakes may not accept the backing plates from an 8.8" with drums. The pinion U joint may be different. Also if you find one with a different gear ratio your speedometer will be off. If you have a 4x4, and you change the rear end ratio, you'll need to change the gear ratio of your front differential. This is all stuff you'll need to research before you purchase.
Most Salvage yards have an interchange manual/database. They can usually tell you what to look for. I'm not 100%, but any rear end from a 1997-2002 Expi with the same drive configuration as yours (2WD or 4x4) should bolt in. Also look at the rearends from 1998-2002 Lincoln Navigators. But some Expi's have rear drums and some have rear disc brakes. One with disc brakes likely has a different master cylinder than one with drums. A 9.75" rearend with disc brakes may not accept the backing plates from an 8.8" with drums. The pinion U joint may be different. Also if you find one with a different gear ratio your speedometer will be off. If you have a 4x4, and you change the rear end ratio, you'll need to change the gear ratio of your front differential. This is all stuff you'll need to research before you purchase.
Last edited by merczephyr; Apr 15, 2009 at 06:49 PM. Reason: Added Value... LOL
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thank you, that is exactly what i was looking for. i appreciate your help. i will now continue on my research.
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