tranny problems
 

anyone here have problems with their 4l80? my cousin is on his second rebuild. first rebuild was done by the dealer at something like 40k. this time at 123k he got it beefed up with hardened gears, stronger bands and a shift kit. truck in question is an 08 ccsb

Re: tranny problems
 

4L80Es are very durable transmissions, but not indestructable. Are you sure it has a 4L80E & not a 4L60E? You did not mention if its a 2500 or a 1500.

Re: tranny problems
 

you know, it may be the 60. it's a 1500 ccsb tx edition with the tow package, actually , now that i think about it i think it's the 60

Re: tranny problems
 

The #1 killer of a 4L60E is low fluid level, followed by overloading, Then theres the hotrodder with a lead foot. Does your cousin fall in to one or more of these categories?

Re: tranny problems
 

trans never sees more than 200 degrees. trans is always full, and i would have to say that he does have a heavy foot, but doesn't hot rod all the time. here and there he will, i know he doesn't ever use cruise and cant seem to hold his speed. when you ride with him he gets pretty bad about being in and out of the gas some, especially if he is on the phone. i would imagine as well that with about a third to half of the miles on his truck have had a loaded trailer behind it, it could be the reason too. this time i made him get some goodies for his trans, he's now got a shift kit, hardened gears and wider bands. i'm unsure of the brand of the kit, but i'm friends with the tranny guy so he rebuilt it for 1420 no tax