Hello,
I am hearing this chirp sound while I am driving 75-80 mph. it's comes only when i am driving on highway.
I always leave temp set @73 F at climat control, with A/C and Auto lights on.
Starting car in morning, running in idle. no chirp sound.
I did check belt for compressor. not loose.
I did change all belts @ 210,000. presently 227,500
Need your help.
Thanks,