01 durango tranmission overdrive shifting in and out constant
Hi, I need help badly!!
My 2001 Durand R/t 5.9 ;256 000 klms ..While driving at 45 mph and up even at 70 will shift from 3 rd to overdrive and back down to 3rd with the slightest touch of the gas pedal.if i take my foot off the gas to coast in 3rd it seems to decompress like something is holding it back then it it jumps to 4 th and rolls freely until i touch the gas peddal and down shifts and reves to about 3500 rpm at 60 70 mph,,it'll do it at 40 mph too..
doesn't matter up hill,on the flat or even more so if going up hill..
dealer didn't seem to know so i took it out of there paws and my local garage is not sure.. they had me change my intake manifold gasket already because the said there was oil in the base and they thought it could be a vacum problem..it didn't fix it truck ran better but not the trani..HELP PLEASE!!!!
Thanks guys I'm dieing here!!
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Ck the fluid level first, Then ck the throttle cable adjustment and ck the PCM for any codes. When was the last time the transmission was service inc band adjustments? You could have a bad TPS sensor, But i would be just guessing without seeing the truck.
2003 durango r/t black with chrome r/t rims 285 70 17 ,6 inch lift shackles with doubled up leaf springs and tbars cranked till the control arms ride on the top of the bump stops, rebuilt transmission with sure cure shift kit 2 shims 15 lb pressure gain hd converter, 9.25 lsd disc brake conversion, 2wd 4hi tcase, k&N high flow, glass pack