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I recently noted that the climate control (a/c) is not cooling. I had it recharged x 2 cans, worked great. Parked it for about 1 hour. After my return noted that it wasn't cooling again. I looked for any leaks on the a/c lines, none-noted. Where could the freon have leaked out? Also...

My 1992 SC 400 is ideling high when in park position of when I come to a stop. I have to tun it off on the drive position because if i shift to park the idel goes to almost 2 on RPM:shrug:. Since vehicle is fuel injected, I know there is no adjustment. Any recommendations?

That was not indicated in the owners manual? What is the difference, "green" and "red"?

Climit control unit "lighting" I can still read the control unit "black", but the lighted section "green" on 1/4 of unit is not lited

My Lexus SC400 climate control unit seems to have burned out lights. Do I have to replace the entire control unit or can I just order replacement bulbs? I beleive the radio and the speedometere needle light have gone out as well. Any Advise?

Thanks for the info. Worked great, but I only needed to open bolt on top of the thermostat, heard the air, tightened the bolt and now it indicates just below the normal line. Happy Holidays to All

I seem to be having problems with the coolant system on 92 SC400. Car has not been driven in about 4 months. Now when I run it a couple of blocks the temp goes really high, I have to park and let sit awhile then contniue home, also I noticed that when I turned on the heat, no hot air comes...