Model: New Yorker
Engine Size: 440
Refrigerant Type: 134-A
Ambient Temp: 85
Pressure Low: 40
Pressure High: 180-212
Country of Origin: United States
Bought a clean, gently driven 97,000 mile New Yorker. Found the system empty & with a rebuilt (by Murray) RV2 on it. The car spent it's life in the metro DC area. Fixed leak & replaced dryer, changed oil, pulled a good 2 hour vacuum & charged with 134-A. System cools well, but compressor has a mild knock. Tech says they were on the noisy side, I don't remember that. Should I replace the compressor or let it go?
Edited: Tue July 22, 2008 at 7:18 PM by dplotkin
I have seen a bunch of RV2's vibrate a bit but I have never had a good one knock. I would check all of the brackets and be sure all are securely attached. Be sure they are secure, not just tight, as sometimes bolts are installed that are too long and bottom out in the blind holes. Next, be sure all of the cross bracing is in place, i.e. the brackets from the RV2 heads to the intake. Check a factory manual to see what yours should look like. Finally, be sure there are no cracked brackets. If you find any, replace them or weld them up. If all of this turns up nothing, replace it.
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