If you can get hold of a good scanner you can see the counts on the actuators and watch for fully closed and fully open. It will also set a code if the command and actual counts are not meet.
If a blend door is sticking a indicator would be.
Shad-tree approach.
set the temp mode fully cold Shut off the engine let it set for 5 min.
Start it does it blow heat HOT heat before it starts blowing cold air.
Feel the inlet and out at the evaporator do they both feel COLD about the same temp.
Do you have a pressure gauge reading you can post.
I am putting a compressor on a 04 pontiac GP today if it does not COOL I am going to be looking for HELP
:cry: It has a variable displacement compressor with a TXV :twisted:
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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