TD's don't have orifice tubes. They have expansion blocks. And yeah, I bet his is stuck or clogged. But yeah, he does need to put gauges on both sides.
On 8/3/05, Eric . <[EMAIL PROTECTED]> wrote: > checking ONLY the low side is pointless. ALWAYS check with the high > side too. Chances are you orifice tube is shot and full of crap, or > worse, your condensor. > There's a few great AC forums out there...google! > > On 8/3/05, Craig Grass <[EMAIL PROTECTED]> wrote: > > Hello All, > > > > I have an air conditioning question: > > > > I converted over to R-134A in my 1991 Dodge Spirit R/T. It seems to work > > great at idle. However, whether I'm moving or not, when the revs come up > > over 2000 RPM, the A/C doesn't work very well at all. > > > > Actually, if I'm cruising in 5th gear with low RPM (1500 or less) the A/C > > works well at that point too. It only acts up when the revs increase. > > > > I initially checked the system pressure and the gauge indicated that the > > pressure was in the "good" range while the A/C was running at maximum at > > idle. However, when the revs come up, the AC clutch engages for less than 2 > > seconds on a somewhat infrequent basis and the pressure drops to "low" on > > the gauge. > > > > I thought I might have too little refrigerant in the system so I added more > > R-134A so the pressure would be higher when the revs come up, but the load > > was much on the compressor that I backed the pressure back down. > > > > Any thoughts? > > > > Please respond to: [EMAIL PROTECTED] > > > > Thanks, > > > > Craig > > > > -----------------------REMOVE-FOOTER-WHEN-REPLYING---------------------------- > > Questions? Visit http://www.sdml.org/ > > > > To be removed, visit http://www.sdml.org/pages/leave.html > > -----------------------REMOVE-FOOTER-WHEN-REPLYING---------------------------- > Questions? Visit http://www.sdml.org/ > > To be removed, visit http://www.sdml.org/pages/leave.html > -- Brian J. Schulteis Bremerton, Washington '83 Shelby Charger (Megasquirt MPFI) '87 Shelby GLHS #895 '88 Daytona Pacifica (Intercooled 2.5L daily driver) '90 Plymouth Horizon (soon to be little sister's car) -----------------------REMOVE-FOOTER-WHEN-REPLYING---------------------------- Questions? Visit http://www.sdml.org/ To be removed, visit http://www.sdml.org/pages/leave.html
