clunking noise during auto-shifting
September 12th, 2012, 6:50 PM
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clunking noise during auto-shifting
Today my chevy dealership informed me my clunking sound during the 1-2 and 2-3 shift points is a normal acceptable problem according to GM. My truck is a 07 Silerado 5.3
They say the overlap of the clutches releasing in the auto transmission causes this clunking sound and they say mine is quiet compared to others like my truck. I said to them 'bull crap", people turn and stare at me in shopping malls when this truck shifts from 1-2 at low rpm's after they hear the Klunk sound. I believe it's my ring and pinion play ( I have .250 play at the pinion, or it could be a worn shaft on the spider gears.....
Oh yes, my drive shaft is aluminum, no yoke, and i have check my universal joints.
They say the overlap of the clutches releasing in the auto transmission causes this clunking sound and they say mine is quiet compared to others like my truck. I said to them 'bull crap", people turn and stare at me in shopping malls when this truck shifts from 1-2 at low rpm's after they hear the Klunk sound. I believe it's my ring and pinion play ( I have .250 play at the pinion, or it could be a worn shaft on the spider gears.....
Oh yes, my drive shaft is aluminum, no yoke, and i have check my universal joints.
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