The automatic transmission on my 10-year-old Chevy would occasionally get stuck in 3rd gear after slowing to a stop and engine would stall. Would have to wait 10-or-so minutes before transmission would release and I would be able to start car again.
I do 98% of my own repairs on my cars, but I generally don't mess with transmissions so I took it to Aamco for an opinion and estimate.
Without driving the car or even looking at the transmission, I was told that the torque-converter was bad and that the repair and replacement would be around $2,500.00
I didn't want to spend that much on my old junker so I left. After a few minutes research on-line, I found a General Motors service bulletin that addressed exactly the problem I was having.
Some models of my car had a transmission pressure switch that was prone to failure (I asked several other mechanics about this problem and they were all familiar with it.)
I bought the new-style replacement switch at the local Chevy dealer for $35.00 and it took me 20 minutes to install it. (Removed the front left tire to gain access to the switch's location, unbolted the easily accessible switch mounted on the side of the transmission, and installed the new switch and the tire.
Home come a "professional" transmission business who deals solely with transmission problems wasn't aware of this common problem and fix? I know the answer to that and so does Aamco!
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