I am looking for a manual to build a speed or transmission box of a Dodge Caravan 88, from the long one, the engine is 4.0, it is automatic, 6 -cylinder, a mechanic according to me, but when I went out to do the second test, the truck no longer entered any speed, and did not give pa a front or pa Of speeds or the transmission box, I do not know what is called, I do not know much about the subject, well the mechanic wanted to knock me a billion to fix it again, and definitely take it away and I have kept it and all unarmed, and I already bother me from the mechanics of my ranch and I want to do it myself, please help me with this problem, I leave my email (I leave my email (I leave my email (I leave my email () I would thank you in advance for any help or manual that made me reach.