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The A/C compressor has seized and the compressor clutch appears to be disengaged, but sometimes I hear noise coming from the engine compartment and the engine does not run smoothly. If I stop, turn the engine off and re-start the engine, everything goes back to normal. This has occurred 3 times in about 100 miles. Any ideas on what is happening?
Hi all. Was driving my 2003 996 cab 2 days ago. I heard a strange noise from the rear and pulled over. I smelled a burning type odor and a small amount of white smoke was coming from the trunk vents. Since that time the a/c is not producing cold air. Fan still produces plenty of air, but it isn't cold. Am I looking at a blown compressor here, or are there other possibilities? It gets rather warm in South Carolina, and sometimes rather than dropping the top I use the a/c. Any input from any of you would be greatly appreciated.
Thank you in advance,
My A/C has been getting warmer over the last week to the point of just warm air. The compressor is engaging as I can see, hear, and watch the tach drop slightly as it does. I figured it just needed a quick recharge, but the low side pressure is ridiculously high at 90psi. Before I go and pull the world apart does anyone have experience with this scenario? Does this point to a bad compressor or Refrigerant Control Valve? I'm not really finding anything in the search dialog.
I have a vacuum and used it on other cars, but have never seen this "overcharge" high pressure issue. I guess I'll try to lower the pressure first, but I have my doubts it will fix anything.
Thanks in advance for any input.
Hi - on my 06 CTTS, over the last few months I noticed occasionally awful smell inside the cabin while driving. My research so far indicates that it is emitted from vents when AC system is on. Believe it smells like sth. burned, and is not present when I switch AC system completely off. Did anybody experience this before on a 955 Cayenne, Turbo or Turbo S ? Thanks in advance.
PS.: side note. It may be coincidence or completely unrelated, but as far as electrical problems I am noticing for about comparable amount of time that the horn is dead (silence when pressing the steering wheel center...).
Let me start by saying I'm not a mechanic, so I do not know the names of certain parts. This is of a 2004 Porsche Cayenne Turbo w/ 4-Zone Climate
However, what I do know is, the A/C electric motor (955.624.915.01) under passenger side dash is steadily going back and forth regardless of A/C or Heat On/Off, High Low, Dash,Floor, Etc. It connects to a flap on the passenger side firewall. Pictures are of the same part, just different angles.
My question is this. How do I test this electric motor to determine if it is bad? Or could something else be bad causing the motor to constantly move? Any response will be appreciated.