Posted by GLENN on October 03, 2001 at 05:55:17: via: or 192.152.140.9
In Reply to: Re: LOW SUCTION PRESSURE posted by Street Rodder on October 01, 2001 at 07:29:53:
THE PARTS WERE ALL NEW,VACUUM WAS PULLED FOR 8HRS.AMB. TEMP WAS 88 AND THE GAS WAS FREEZE12. AT A IDLE OF 800RPMS,THE HEAD WAS 230 SUCTION WAS 28. THE OUTLET TEMP WAS 47 AND IT WORKED GREAT AT IDLE.THE PROBLEM COMES IN WHEN YOU GO DOWN THE ROAD AT 55 THE COMP.CYCLES ON AND OFF EVERY 3-5 SEC. BECAUSE OF THE LOW PRESSURE SWITCH. I SET THE SWITCH DOWN TO 18PSI,AND IS DOING ITS JOB BUT THE SYSTEM STILL ACT LIKE IT LOW . IT HAS 48 OZ. OF REFRIG. AND CAN'T BE LOW . COULD THE COMP. HAVE A BAD VALVE OR IS THERE A RESTRICION IN THE DRIER,I HAVE ALREADY CHECKED THE ORFICE TUBE.HELP!!!!!!!!!!!!!1