On Thu, 26 May 2005 08:17:44 -0500, Darren wrote > Issue: A/C is blowing warm when the engine RPM is over 4k. The > blower is on but starts vibrating heavily. At this point, it stops Sounds like either too much R134a or not enough. Go to Wal-Mart get a charge kit with the gauge on it and read the directions. RK -- Raymond A. Kawski