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1970 custom · 12-03-2013, 08:43 PM

i have a 2001 2500hd 4x4 with a 6.0 gas 4l80e it shift out fine when its cold in the morning but after it reaches temp of 150 it shift hard from first to second then stays in second till cools down just started this crazy crap

12-03-2013, 08:43 PM	#1
1970 custom Registered User Join Date: Jun 2011 Location: troup tx Posts: 123	4l80e problems i have a 2001 2500hd 4x4 with a 6.0 gas 4l80e it shift out fine when its cold in the morning but after it reaches temp of 150 it shift hard from first to second then stays in second till cools down just started this crazy crap