I have 94 ford Explorer XLT rear wheel drive my trans was shiffting great but last week i notice when is cold trans dosent shift from one to two, but when the truck get warm trans shift great even i stop couple hourse and i drive again shifting great only when is cold i mean in the morinng or even at night if the truck sits 5 ,6 hourse and i come to drive dosent shift from one to two i keep drive little till start shifting ok. after that i check trans oil was ok but i change trans the filter and oil but still is same problem i hope some one knows exactly what going one.
thankyou
NO No any codes no service engine light on do i have to put scanner to check the code even the light is not ON? because I didnt check with the scanner . i even add Gear Lube special for Trans accordnig trans specialist but still the same