2000 GMC Jimmy Rear differential

2000 GMC JIMMY
132,000 MILES • 4.3L • V6 • 4WD • AUTOMATIC
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MHODSDON
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  • 7 POSTS
Hello i was wondering if a 98 sanoma rear end was the same as a 2000 jimmy rear end,,,if not could someone please tell me what is compatible that i can use,,thank you. mike
Apr 8, 2015 at 11:32 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
the only difference would be the gear ratio and whether or not it has disc brakes.
Apr 8, 2015 at 11:56 AM
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MHODSDON
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  • 7 POSTS
what would happen if its the wrong ratio,,and how can i find out what my ratio is
Apr 8, 2015 at 11:59 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
there are three numbers stamped on front of axle on pass side letting you know what ratio it is. You might have to have your ecm reprogrammed if it's a different ratio. also if it is a higher ratio say 3:42 vs 2:93 your pickup won't be as fast but they should be pretty close anyhow.
Apr 8, 2015 at 12:11 PM
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MHODSDON
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  • 7 POSTS
ty very much
Apr 8, 2015 at 2:05 PM
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