Question about 2000 Buick Century

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Transmission shifts extremely hard.I had trans rebuilt, still

When you shut engine off then wait 10 seconds restart car the trans shifts fine.....sounds like a computer issue to me and not a mechanical issue...hey what do i know Help!

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  • Anonymous Mar 18, 2014

    My 03 acura mdx, 96k miles only goes a few feet in reverse when the engine is cold. The transmissio was rebuilat 96k miles. I tokk it to the mechanic who rebuilt the trans, He scanned and no codes come up. Help please

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The Buick (GM) Corp, has offically released this as an on-going problem with this style of tranny, but will not issue a recall. Basically, it can only be fixed by replacing the pressure valve within the tranny. This is a costly fix (400 to 650, depending on the shop). The pressure valve (over time) wears a groove between the valve cylinder wall and piston (of valve) which allows tranny fluid to bypass thru the line, thus causing the hard shifting, mostly when the tranny is hot and the fluid is thin. Trust me when I say, no other fix will work, such as changing tranny fluid, flush and fill, or any additives such as Seafoam or other tranny slip or fix additives. Bite the bullet and find a tranny shop which will give you a LIFE TIME warranty, mostly, in case they install yet another defective valve.

Posted on Mar 14, 2009

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If its an electical it would be connections on transmission itself

Posted on Jan 29, 2009

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