Automotive Air Conditioning Information Forum (Archives)

drhill on Tue July 17, 2012 1:49 PM

Year: 1973
Make: Rolls Royce
Model: Silver Shadow
Engine Size: 6.75
Refrigerant Type: r12
Ambient Temp: 93
Pressure Low: 50
Pressure High: 300
Country of Origin: United States

Hello everyone, I have another post on the board about a cooling/charge issue with this car but I noticed a separate issue today.

There seems to be a large quantity of grease (or metled clutch material?) coming from the front edge of the compressor pulley, between the front side of the pulley and the clutch - there is a small gap there. The clutch seems to engage and disengage normally. The best tension does seem a bit tight.

There was a thick line of it on the hood just above the clutch , 1/8 to 1/4 inch thick in some parts of the line.

This is a fairly new compressor - any ideas of what to do as I don't want to ruin it!

Thanks!!

drhill on Tue July 17, 2012 11:46 PM

Drove the car more today - wiped off the grease/metled clutch reside from the hood, and a very small splattering reappeared after a 10 minute drive with ac on. Wiped it of again and drove 10 more minutes with the ac off...same thing. any ideas? clutch engages and disengages well...

powerflite on Wed July 18, 2012 1:11 PM

Likely the front seal, a common symptom on older A6's. In fact, some GMs, Buick for one, installed oil shields over the pulley to prevent the mess. I sounds like yours may be leaking excessively.

TRB on Wed July 18, 2012 1:45 PM

Yep, sounds like the typical oil sling from an A6. Double lip seal might help a little or going with a newer version of the A6.

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