Cut Out Noise
#1
Cut Out Noise
AFTER I HAD MY CUT OUT INSTALLED WHEN I UNCAP IT I GET A METAL TO METAL RATTLING SOUND. CHECKED VEHICLE AND COULD NOT FIND ANYTHING WRONG. DOES ANYBODY HAVE ANT CLUE. 02 WS6 AUTO. THANKS FOR ANY HELP
#2
do you remove all the wing nuts from the studs when you uncap it? Thats the only thing i can really think of that would be obvious. A more underlying cause could be the frequencies of the cutout rattling something under the car. you would have to go under their and look for it. I know on my car i had this rattling noise after i install the exhaust and it turned out to be a metal ring that just seemed to be hanging out around the exhaust pipe after the cat.
#5
I HAVE CHECKED ALL OF THE BOLTS AND HEAT SHIELDS. EVERYTHING IS TIGHT. WHEN I REV MY ENGINE ONCE THE RPMS START TO COME DOWN I CAN HEAR THE NOISE OR WHEN IM DRIVING RIGHT BEFORE THE CAR SHIFTS,. I JUST INSTALLED A ELECTRIC CUT OUT TODAY AND THE NOISE IS THERE IF I OPEN CUT OUT AT ALL. NO NOISE AT ALL IF ITSW CLOSED
#6
Okay, does the sound only occur when the engine is dropping in RPM, like if you rev it or if you're driving along and put the car in neutral, or does it happen all of the time? If it only happens when the RPM is dropping, it's normal. Every LS1 with a cutout I've listened to has done it. I believe it is caused by a valve fluttering up closer to the engine. I don't recall which valve, but I saw somewhere a write-up for putting a restrictor on the valve to reduce the problem. It is a rather disconcerting noise, but it doesn't hurt anything and there is no rubbing.
#8
I PURCHASED THE CUT OUT FROM SUMMIT AND DIDNT UNCAP THE CUT OUT TIL A WEEK AGO. MADE THE NOISE AS SOON A THE CAP CAME OF AND I REVED THE ENGINE. SOUNDS LIKE METAL IS BOUNCING AROUND .INSTALLED ELECTRIC CUT OUT AND SOUND IS STILL THERE THANKS FOR ANY HELP.
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autoxr166
General 1967-2002 F-Body Tech
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09-25-2015 04:21 PM