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Old 05-26-2013, 04:45 PM   #1
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Default 03 astro trans slipping ?

I have a 2003 astro van with towing pkg. has 150,000 the van has been what feels like hesitating while driving and just yesterday noticed when backing up it felt like van was in neutral but still in reverse but did take hold in just a few seconds, I recently changed fluid and filter and added lucas oil trans additive, also took to parts store to check an service eng soon light it showd no trans codes but did show crank pos.sensor ng. is it possible it is something other than a trans rebuild ? Thank You.!
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Old 05-26-2013, 07:26 PM   #2
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I wonder if your the next sun shell recipient? Some 4L60-E transmissions suffer a sunshell failure and will result in a no 2nd, 4th or Reverse gear situation.
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Old 05-27-2013, 10:20 AM   #3
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what is sunshell failure ?
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Old 05-27-2013, 07:30 PM   #4
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its a internal part to the trans, not something you can fix from under the truck, you did recheck the level? just in case there is a leak or something
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Old 05-29-2013, 05:06 PM   #5
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found out problem was wrong trans filter and it seem to take care of problem but noticed it jerks some under 60mph on occasion any ideas ?
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Old 05-29-2013, 05:20 PM   #6
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has the ign stuff been changed lately? sometimes a bucking from 45-50 w/converter locked is something like that
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