Wipers (all) wont work have tried all the above what else can I do?

electric fans are working about 15 minutes of running it starts overheating it will put a thermostat in if that's what it is how long does it take to put a thermostat in a Buick Rendezvous 2004 my husband is a Certified mechanic but some people keep saying it's going to be a long time some people say it won't be long at all he's never done one on this kind of vehicle so I'm kind of wondering if maybe you could help me out with a little suggestion tell me do you think that's what it is well appreciated my name is Christie thank you so much I'll be waiting for an answeranswer...

Scanner indicated bad ECM and Crankshaft sensor, which were replaced. the fuel filter was also replaced, yet it wont start.

Just started yesterday and I have driven the car since
Also when you start the a funny white residue comes out but dies not appear to smoke!

In the instrument cluster, my RPM's are stuck at 7+ and I have no temperature gauge anymore either. I know I probably will need the entire cluster changed out, but I was wondering if anyone knew what I might expect as far as cost on this project. Also, how hard would it be for me to buy the part and just replace it myself?

When the headlights go out I can use my high beam switch on the steering wheel and get home holding that. The fog lights still work as well as the tail lights but no headlights.

left tire is sticking straight out won't turn left & right. Just stuck.. it will roll but it don't move when you turn the steering wheel only the right tire Moves..

I have a speed sensor problem is this one of the recalls on this car my car is hesitation