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4L80E problems

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Old 06-20-2004, 10:37 PM
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Default 4L80E problems

I changed the filter and fluid in my '97 GMC 4X4 and know it shifts rough from2nd to 3rd and 3rd to OD. Any thoughts?
Old 06-23-2004, 12:29 AM
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Sounds like shift solnoids, possible gummed up valves or faultly shift solnoids. What class is it 1500 or 2500. Is it possible that when you put the pan back on that it did not go back smooth.




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