I have a 1989 Buick Lesabre Custom with the 3.8 L V-6 which has about 170K on it. The tranny is a 4-speed overdrive model. All fluid levels have been checked correctly and kept up with. The engine and the rest of the car are excellent. However the transmission has an erratic shifting problem. When the car is started and has run for 5 minutes the transmission will go into reverse and drive (first gear) fine. But for the first 2 minutes of forward motion the car will not get out of first. After that 2 minutes the car will begin shifting into second, but only after reving the engine to higher than normal RPM's to get it there. The car doesn't shift out of second. Are there a few things I can do on my own like cleaning/changing sensors or vaccum lines before spending $900-$1100 for a rebuild

Ive got an old 1977 dodge pickup and the window will not roll up or down. The metal part that has the teeth on it is worn down and does not catch to roll the window. Is this part called a window regulator? Does anyone Know of a good website that sells old dodge parts? Do you think that this piece could be heated up and deeper slots put in for it to catch to roll the window down. Thanks for any advise because the model is so old can not find parts at a junkyard.