2003 Pontiac Aztek Questions

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When I'm driving for about an hour my car will shut off. My Temperature gage will read high. When I start my vehicle again it trying to Idol but then shut off . I would have to let my car rest for while then it'll be fine until my temp gage goes up.
After its gets going its fine only at take off
Had a loud thump taking a turn and then car stopped. Can shift from park to reverse to drive but car acts like it in neutral. When move to R, speedo registers 10mph, likewise in D, speedo registers 30mph. When moving from Gear back to Park there's a loud clanking noise (just like when you would shift to park while still moving). Any thoughts? I
And it is making my trans slip really bad
The service engine light still works along with the signal light indicators and all the cluster lights. I just had the whole cluster rebuilt and the pcm is sending the signal because it reads rpm, temp, fuel, and wheel speed on obd2
Only when braking the sound is a growling and the vibration is terrible. It gets worse as I slow down and stop until I let off the pedal and speed up. I have replaced the brake pads and rotors. The vehicle stops well. The technical thinks it's the transmission. Need help!
When I am driving any distance when I take a complete stop and take off again it won't shift from 2nd to 3rd gear. However when i shut the engine off and restart it and drive any distance without making a complete stop it shifts perfectly fine.
Changed lock tumbler, now no power at all except for the dome lights any suggestions?
Macanic macani
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