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05-28-2015, 12:57 AM
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#1 |
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Registered User
Join Date: Apr 2015
Location: Plattsmouth Nebraska
Posts: 10
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rear end swap
I just got a 90 GMC c1500 ext longbox with the 5.7 about 130k miles It runs good but shows a couple codes (33,44) for the egr but not a big deal.
The problem with it, is the rear has a leak and the PO drove it like that and now it howls. so it needs worked on or replaced and I have no exp with rears so replaceing it with one from upullit seems my best option. My question is how can I tell if i'm getting one thats right all my options are from newer chevys |
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05-29-2015, 04:30 PM
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#2 |
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Registered User
Join Date: Jan 2006
Location: Big Pine Key, FL
Posts: 758
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Re: rear end swap
If it's howling, it could just be a pinion bearing. I'd have it checked out to make sure it's not something simple.
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Mike |
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05-30-2015, 03:55 PM
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#3 |
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Registered User
Join Date: Mar 2014
Location: Redwood City
Posts: 242
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Re: rear end swap
If you do have to change it all you need to check is the distance between the spring perches and make sure the rear end you get has the right flange on the output shaft to bolt to your driveline. Pretty sure in your case that any six lug 12 bolt from a 2wd should fit. Make sure you know what your gear ratio is and you get a diff that has a ratio you can use.
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1991 R3500 3+3 C+C 6.2/4l80e/14ff Fleetside Dually 1992 K2500 ECLB 5.7/4l80e/14sf(g80) 8600gvwr 1991 CR500 (95 Burb wouldn't stop catching fire  )
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