Question about 2002 Oldsmobile Silhouette
2002 Oldsmobile Silhouette V-6-3.4L Vin E 76000 miles. My AC
was not blowing cold air and not much force. I had the condenser replaced and
the cabin air filters replaced. Now I have a great amount of air blowing thru
the vents. I used a thermometer to measure the temp. I have cold air down to
40deg. F. This is cold air.
The blower will blow air thru vents and can be changed to the different settings. All the settings work. Air will also blow from the rear vents when using the front panel or the rear panel. The problem is while the air is blowing the temp will fluctuate, or not come on at all. Then for no reason the temp will drop. I can feel this with my hand and watch it on the thermometer. I also notice that the thermometer will form condensation on it. This is a signal that the air is cycling off. The ac will cool for about a min. and then cycle off for around 30 sec. this will continue until I turn it off. Then when I stop for a break and restart the van the ac will not cool, the air blows but will not cool. Then it will start to cool and cycle.
While I was playing with all the controls, I moved the climate control slides up and down. I then noticed that I was getting cold air on the driver’s side and HOT air on the passenger side at the same time. The climate control sliders were both in the same position, all the way at the bottom, (cold air position).
Today on my way home I stopped the van and let it sit for about 2 minutes. Then started up again, I turned on the ac but no cold air. Also non tempered air was blowing from the rear vents. I got in the back and controlled the ac from the rear controls and still non tempered air. But the front was cooling.
I have taken my van back to the service center a couple of times. He said after he replaced the cabin air filters that he did not have a good feeling about the unit. But go ahead and drive it and see what happens. I have taken 4 trips of 150 miles at a time, and another of 100 miles. I have had the van back to the service center and he cannot seem to find the problem. Of course it was not very warm the days that I was able to leave the van with him. I now have this extra information and would like any feedback that you may offer. Now it is very warm (80-95 deg F), and the problem is worse. When first started the ac will not kick on for about two to five minutes. Then will cool for a minute or two and go off. This cycle repeats and the thermometer never registers below 55 deg.
Would have him check out side air temp sensor ,thermister and rerove control head and inspect for burned terminal.1st.
Posted on Jun 20, 2009
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Posted on Jan 02, 2017
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