Starter Solenoid Problems of Saturn Aura

I had never had problems with the transmission before this. Then one day I was just driving a couple of mile to the bank. On the way there, my 2007 Saturn Aura seemed to kick and I experienced some hard shifting. On the way back, I started to lose power at times and the car was having trouble shifting gears. I barely made it home and got it into park. The next day I had the car towed 5 miles to an independent mechanic who recommended transmission tear-down inspection, plus diagnostics & computer scan revealed codes p0717 - input speed sensor, p0756 - shift solenoid b performance stuck off, p0989-tpf switch 5 circuit low volume, p0016, p0017, p0018, p0019 variable timing actuator, p0300 - engine misfire, p0455 evap leak, p0690 engine control, p0700 -transmission controls. I paid $650 to have 4 new speed sensor/solenoid, variable timing actuators installed, but the car wouldn't get out of 3rd gear so I had the car towed 25mi to the closest GMC Saturn/chevy dealership for the transmission work since I was given $4k - $6k estimates for the balance of the work locally. At the dealership, they looked at it and after a week, they replaced cp $1,328. 11??,internal pressure sensor solenoid failed, replaced trans control module and after paying over $1,050. 00 of the $2,167. 34 bill, they told me that the timing belt was stretched, and I needed to drive it tenderly but that it wasn't worth paying to have the chain replaced and the check engine light would remain on. I drove it home and the next morning the car still wouldn't get out of 3rd gear. I had to drive the 25 miles back to the dealer at 40mph on back roads which took 2 hours. I called gm to reduce the repair costs and finally got my car back oct. 7, 2013 in a drivable state - check engine light was still on and shifting was rough. My problem is now I can't register my car or pass smog without spending another $2k-$5k.

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