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rear differential swap 2003 to 1997 Express 1500

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Old Jun 20, 2021 | 3:36 PM
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squirrel9's Avatar
squirrel9
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Default rear differential swap 2003 to 1997 Express 1500
Hi! Just stupid question maybe but is that possible to install newer model Express 1500 (from 2003) rear differential + complete axle body (w/ disk brakes) to 1997 Express 1500?
My 97 Express differential (8.5" 10 bolt, splines 30) making vibration and trying to find replacement options...

Thanks for help in advance.
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Old Jun 20, 2021 | 4:54 PM
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2003 had substantial frame+chassis changes so likely not
https://en.wikipedia.org/wiki/Chevro...s#2003-present
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Old Jun 25, 2021 | 10:35 AM
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William Kisselstein
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Just the change to rear disks will mean the rear brake lines need more pressure to run them, which is going to be a pain to do with the ABS unit.
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