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can a 1g CAS make noise when bad?

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bsbllfit7

10+ Year Contributor
1,104
3
Feb 17, 2009
Salem, Oregon
I have done the 1g cas swap for my 1995 talon tsi. So the car was driving magnificently with the swap tell this issue. It is making a loud tapping noise right above the CAS on the valve cover. I had thought it was lifters so i bought new ones and installed them today. I still have the noise and want it to go away! Can CAS's make a loud tapping noise?

anyone i need to know whether to try and get a new CAS or diagnose the problem further....
 
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