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4r100 Excessive line pressure!!
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[QUOTE="bowtieguy069, post: 1565919, member: 38701"] Hey guys, Welly son has a 2002 excursion that he has invested over 25k in over the last 5 yrs or so..lift kit tires,rims etc etc..he calls me one day and says he has blown his trans..we pull it, I tear it down order all the parts it needs including a billet converter hi-performance clutches,all new final drive unit including new planets,all new bushings everything plus a TRANSGO TUGGER KIT..put it in and had immediate codes and problems..and a front pump leak..pull it back out reseal the pump thinking I did something wrong although I couldn't find anything wrong..go thru the valve body again put it back in and now I have extreme late shifts 1-2 2-3 And no 3-4...and the front pump is leaking again so I put a gauge on it..it's supposed to be about 50 psi at idle in park..it's around 90..rev it up it pegs the gauge at 275 and in reverse it blew my gauge apart so I don't know how high it went but the gauge maxed out at 500 psi..pulled it out bought a new pump put the TUGGER pressure regulator in it put it back in the truck..same thing..extreme high line pressure..max rpm shifts and front pump leaking..oh and codes for shift errors on the 1-2 2-3 and the 3-4 but it still won't go into 4th Any thoughts would be greatly appreciated..my son is about to lose his mind over this truck!! [/QUOTE]
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4r100 Excessive line pressure!!
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