Yes. Flush it. The problem with PF condensers is that if the compressor explodes, you will not be able to get all the junk out (or through) because of such small passages. But with the noise problem, go ahead and flush... both directions.

Hope this helps! GOod luck!
Peter

Follow Ups:

• Re: Can I/Should I flush parallel flow condenser Marv E 8/27/2002 (0)