Silverado 6 speed problems

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July 14th, 2010, 10:10 AM

dbsmith44

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Silverado 6 speed problems

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ersonal; mso-style-noshow:yes; mso-style-unhide:no; mso-ansi-font-size:11.0pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:Calibri; mso-fareast-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; mso-default-props:yes; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:Calibri; mso-fareast-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} @page WordSection1 {size:8.5in 11.0in; margin:1.0in 1.0in 1.0in 1.0in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.WordSection1 {page:WordSection1;} --> </style> My 2010 Silverado 5.3 w/6speed seem to not want to downshift. It wants to stay in the higher gear even at 1000 rpm, causing the truck to labor quite a bit. Sometimes even stalling for a few seconds. It even shook the truck violently yesterday, like when driving a manual and not giving it enough gas. I notice this more at lower speeds (0-40), but it still happens at any speed. Is there a computer fix or mechanical? Ideas?<o

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July 16th, 2010, 2:58 PM

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I would suggest having the vehicle checked by your local dealership. They would be able to diagnose and fix the issue. Whether it needs some sort of update or a mechanical fix to it they will be the ones that can do it the best for you. I hope that helps you.

Jeff Morris, Chevrolet Customer Service