Seafoam Trans-Tune fixed my harsh shift!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-22-2009, 11:36 PM   #1
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Default Seafoam Trans-Tune fixed my harsh shift!!

I had the problem that folks diagnose as a PCS solenoid problem. Harsh shift from 2-3 and 3-4. I paid 10 bucks for a can of Seafoam Trans Tune, poured it in, drove home from the parts store (about 10 miles) and the next day the transmission worked perfectly. I couldn't believe it so I've driven it all over town this weekend and it has been perfect ever since I poured the stuff in on Friday night.
I had to let everyone know.
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Old 02-22-2009, 11:40 PM   #2
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Love that Seafoam.
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