1989 Chevy Blazer rear differential

1989 CHEVROLET BLAZER
20,000 MILES • V8 • 4WD • AUTOMATIC
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BLAZER25
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i just put on a new cover for my rear differential and drove it around for about an hour. it just blew a hole in it again for the second time. that was the reason i replaced it. what is the problem and how much will it cost to fix
Mar 5, 2009 at 5:12 PM
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RHALL77
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what do you mean by blowing a hole in it. is the correct one being put on. does the rear diff make noise when driving
Mar 6, 2009 at 8:44 AM