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ssmike · 04-08-2011, 02:49 PM

For those of you with the Rx Catch Can, is it normal to hear a pretty loud hissing sound coming from the hoses to the catch can. Sounds like a vacuum leak. It is definatly the sounds of the gasses moving through the hoses in and out of the catch can. The sound goes away if I open the drain petcock but of course you can't drive it that way and it defeats the purpose. So with it closed and under normal operating conditions and engine is warmed up the hissing can be quite loud.

SC2150 says "if properly installed you should not hear any abnormal noise or sound". I double checked the install and I definatly have the hoses hooked up properly. I also removed the valve fitting and installed a non-valve fitting that he sent to me, no difference. Please advise!

04-08-2011, 02:49 PM	#1
ssmike BL1ZZRD Drives: '16 Camaro 2SS, '20 Equinox Redline Join Date: Jul 2009 Location: Buffalo, NY Posts: 7,841	Rx Catch Can hissing sound For those of you with the Rx Catch Can, is it normal to hear a pretty loud hissing sound coming from the hoses to the catch can. Sounds like a vacuum leak. It is definatly the sounds of the gasses moving through the hoses in and out of the catch can. The sound goes away if I open the drain petcock but of course you can't drive it that way and it defeats the purpose. So with it closed and under normal operating conditions and engine is warmed up the hissing can be quite loud. SC2150 says "if properly installed you should not hear any abnormal noise or sound". I double checked the install and I definatly have the hoses hooked up properly. I also removed the valve fitting and installed a non-valve fitting that he sent to me, no difference. Please advise!