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so Iím trying to service the AC in my 2002 Lexus IS 300. Almost 300K miles and the AC has been working like a champ until this summer. Car has been superbly maintained, but AC is probably my weak area as it jsut never needs work.
This summer, car stopped blowing cold air. Compressor is engaging and turning on. Went and got a can of 134 with a gauge on it. Hooked the gauge up and the gauge is in the red reading 100psi. WTF? So I didnít try to push any 134 into the system because of this.
Whatís wrong? Any tips or ideas what to check? What should I do next?
System seems to be in tact cause with the car turned off, itís holing that pressure.
Ooops, thought I put that in there. Pressure was up around 100psi on the low side. This is with the car running, compressor running, AC on high. Pressure is steady at that pressure all the time. Even after sitting over night, pressure does not bleed off and still holding at 100 (in the red).
I donít have a gauge to check the high side, so I may have to take it somewhere for at least the troubleshooting.
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