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2003 silverado hd 4l80e trans issue

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Old October 30th, 2011, 6:18 PM
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Default 2003 silverado hd 4l80e trans issue

Hey guys im new here, looking for some advice on my transmission issue. I have a 2003 silverado 2500hd 4wd with a 6.0 liter that has about 200k.
Symptoms- If I rev it in park it makes a grinding noise sounds like it wants to engage and move, if i put it in drive it doesnt want to move(truck has been a plow truck) any help is greatly appreciated
Thanks
Old November 21st, 2011, 7:00 PM
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sounds like sun gear and planitary are shot. also maybe snapped the input shaft
Old November 22nd, 2011, 5:26 PM
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Rebuild time. Sounds like the Torque Converter has seen it's better days. If your still going to use it as a plow truck, definitely spend the extra bucks on a beefed up Converter and replace the pump- because even though it may look good, plowing has probably got it close to melt down a couple of times and your rebuild will last and perform great.
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