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2008 Chevrolet Impala Questions

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We have a 2008 Impala, we just changed the cam sensor seemed to be fine. but the next morning when we started it remotely the car died after a few minutes. so we started it with the key. The engine starting making a ticking noise that seems to go away for a few mins after you rev the engine. The oil is fine so we know thats not the issue. Not sure what is going on with it now.
I am looking for a possible answer to why I have no heat in.my 2008 Chevy Impala LT. I had the thermostat and coolant replaced about a week ago when problem first occured..It was fine for a week and now suddenly no heat again..The temp gauge shows normal, no noises from car, no coolant leaks. Any idea what may be the problem? Bill
Whenever the lights come on, the car makes a loud beep every 10 seconds.
3.5L v6 flexfuel. Feels like the whole vehicle is vibrating, almost like ABS but slightly less intense. Always happens from a stop, wheels straight or turned. I don't accelerate very quickly from stops. Letting off the gas for a moment then accelerating again makes the rumbling stop. Front tires are maybe halfway through their lifespan, rears just got changed changed a month ago. I took it to a shop a couple months ago for the same problem, got the following replacements: Delco control arms, Delco front hub assys, (MOG?) F sway bar link kits, (DTM?) Eng mount hydraulic, (WES?) Trans mount, akebono ceramic f/r brakes, (CEN?) f/r H.C. coated discs. Car was driving smoothly after service, until about 2 weeks ago. Mechanic was just replacing anything he saw needed some tlc (he knew im student on a budget), but seemed a bit stumped by the description I gave him and was unable to replicate it himself. Sometimes it'll happen once in 5 trips; sometimes twice/several times in one trip. I don't r
2008 Impala auto trans
squeals when starting
drives for a few blocks and slowly slips out of gear
appears to be in neutral and requires time with the engine off then a restart.

replaced trans no leaks and not the motor.
is this even worth the trouble? I do not want to spend more than 500$?
There is no sound. There no air, hot or cold. Nothing is blowing out as if i did not even turn it on. It worked earlier this morning got back in the car about an hour later and just nothing.
my transmission seized up and I could not push it off the road. The reason Im asking is I had just had the tie rods replaced, new brakes and warped calipers replaced on that side. Could one of those things come loose and jammed the tire causing the transmission to seize up ? I have rear wheel drive so I don't know how the front wheel could seize
We it reads that on the dash I can take a code reader and clear the codes out and it is ok for a few days or it can go a couple of weeks before it does it again. Plus it will give me like 8 codes the codes it is giving me are PO411, PO651,P2430,P2444,PO411PD,P2444PD,P2440PD and P2430PD. What do you think the problem is that is causing it to give me all these codes.
What seems to make the problem better or worse? It worse when you start it on cool morning
How long have you had this problem? A few weeks

What seems to make the problem better or worse? Door lock messed up

What seems to make the problem better or worse? Rough road
2008 Chevy impala.... all of a sudden my car's steering wheel feels so loose and is all but impossible to ed even stay in lane
What seems to make the problem better or worse? N/A
How long have you had this problem? few days
Replacement
Diagnosed at Auto parts store
How do i change back. 3 spark plugs in Chevy impala 2008
oil lite comes on
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