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No More Shudder

Thanks again for this great product … I used it successfully in my wife’s 2001 cavalier. 150,000 miles and the trans would shudder in 3rd gear at 70mph on TCC lockup. Previously tried shudder fix to no avail. Fluid had 50K on it (interval is 100K per manual), so I followed trans instructions. After treatment and fluid change, TCC is no longer shuddering at 70mph.
—Matt (6/26/13)