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1988 Sierra Transmission Problem
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K-Town990
New User
May 15, 2011, 9:49 PM
Post #1 of 2
(1641 views)
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1988 Sierra Transmission Problem
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I have a 1988 GMC Sierra with a 5.0 and around 130,000 miles. Lately it has been shifting a little rough so since I work at a Jiffy Lube, we replaced the transmission filter and the gasket. Now it won't shift out of first gear. I got it to second gear once but not third. I checked the fluids and they are all ok.
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Hammer Time
Ultimate Carjunky
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May 16, 2011, 4:25 AM
Post #2 of 2
(1629 views)
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Re: 1988 Sierra Transmission Problem
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I guess you shouldn't have changed the fluid, huh? The transmission has serious internal problems and changing the fluid just made it worse. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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