Ok there's a few things here ###1 check fluid level ###2 check the shifter cable to see if it broke by getting under the truck have an assistant use the shifter with there foot on the brake wheels blocked engine off and observe if the cable is moving on the transmission bracket and the shifting pawl coming out of the inside is also moving if not grab the cable from the other side and pull on it if it starts to come through its broken if this is not the case and you see the cable and pawl moving on the side of the transmission then we have an internal problem here this could be a blown pressure solenoid / cracked circuit board if you were bouncing around and caught a big rock or something denting the pan this is very possible or a complete shift pack failure or your torque convertor clutch switch or convertor itself has failed so if there was no dents in the pan fluid is good and cable is good moving take off the cable from the linkage arm and try to manually shift it into gear if the pawl is loose with no clicks and resistance when you move it the spring inside has broken that holds it in place watch this video of curt from monster transmissions on you tube okay I tried to tell you as much as I could type in 4r70w shifter pawl and you will see monster transmission come up as well as others but watch curts video first he is very into detail and will guide you through and by the way he likes to call the toothed shifter pawl a rooster tail we are talking about the same thing ok and if your wondering where your info is coming from I'm a taxi mechanic in nyc.with 50 years experience in all phases of the automobile ok good luck stephen
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Ok there's a few things here ###1 check fluid level ###2 check the shifter cable to see if it broke by getting under the truck have an assistant use the shifter with there foot on the brake wheels blocked engine off and observe if the cable is moving on the transmission bracket and the shifting pawl coming out of the inside is also moving if not grab the cable from the other side and pull on it if it starts to come through its broken if this is not the case and you see the cable and pawl moving on the side of the transmission then we have an internal problem here this could be a blown pressure solenoid / cracked circuit board if you were bouncing around and caught a big rock or something denting the pan this is very possible or a complete shift pack failure or your torque convertor clutch switch or convertor itself has failed so if there was no dents in the pan fluid is good and cable is good moving take off the cable from the linkage arm and try to manually shift it into gear if the pawl is loose with no clicks and resistance when you move it the spring inside has broken that holds it in place watch this video of curt from monster transmissions on you tube okay I tried to tell you as much as I could type in 4r70w shifter pawl and you will see monster transmission come up as well as others but watch curts video first he is very into detail and will guide you through and by the way he likes to call the toothed shifter pawl a rooster tail we are talking about the same thing ok and if your wondering where your info is coming from I'm a taxi mechanic in nyc.with 50 years experience in all phases of the automobile ok good luck stephen