I just warmed up a similar model. At 76 degrees outside it took 6 minutes to rise from 1/4 to 1/2 with the a/c off.
What happens is that your car gains heat because there is no air rushing through the radiator when you are in park. Also, the fans most likely wont kick on until more like 3/4th on the gauge.
Turning on the A/C increases idle RPM which means your car will get hot even faster.
Your car may get warm when driving around town at say 25 mph with many stoplights, once again just because the radiators won't work as well without all of the air rushing past them.
I guess I am saying it sounds as though things may be normal. I would be concerned however if you are driving in similar conditions to what you are use to (not flooring it, same temps outside, same speeds) and the operating temps have increased.
Depending on what state you are in, your car may be close to a recommended radiator flush.
About the A/C:
If you are in your car and press the a/c button to turn it on, you should be able to hear the compressor kick on. If this is the case you may see a small 100-200 rpm gain in idle speed which should settle back down some within a second or two.
If it doesnt your compressor may be bad, or you may just need new O-rings.
If it clicks on but blows warm air you may need an A/C recharge, or even just O-rings.
I would recommend always having the O-rings inspected before A/C compressor replacement. It saved me hundreds of dollars once. Just remember that the A/C lines are very dangerous.
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Thursday, May 3rd, 2007 AT 12:44 AM