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 - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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