Can any one help, I have a 1994 Chevrolet Blazer (Silverado) that has 22,000 orgi. miles. blazer has been garage kept since new but a.c. blows cool but not cold. System has been evacuated and recharges (r134a freon) and still only blow cool. Checked blend door motor it moves when selector is pushed. Any idess will help.

 

You need to get some gauges put on the A/C to see what your pressures are. That should lead you in the right direction.

 

Did you try Mr_Shamrock's advice and did it worked for you