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Old 11-15-2013, 07:31 PM   #3
sb01box
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Join Date: Dec 2006
Location: Santa Barbara, CA
Posts: 308
Quote:
Originally Posted by Burg Boxster View Post
Typically the bumper/hood gap is cause of whistling in 9x6s (in 9x7s it's side mirrors). Quick test... put a piece of painters tape over gap from bumper to hood and re-test.

If no whistle sound then your issue is there. Proceed to remove tape and using the two upper most screws for bumper (under trim where hood latch is), adjust gap from bumper to hood. Visually you *think* it should be same as gap b/w hood & fenders but from factory it's actually about 50% larger than those on side. That said, you can also adjust hood's closing height too to ensure it's below the bumper. Pull back frunk carpet and adjust by loosening the two 10mm (IIRC?) nuts holding the latch receptacle a bit lower. Small increments here are all that is needed here and don't forget to also adjust the black rubber screw-in bumpers in corners of hood.

Good luck
Took your suggestion, pushed the bumper skin as much from the lip of the trunk. Went out for a drive and found whistling started at about 85 mph.
Lowered thr trunk by lowering the latch mechanism just a little. Adjusted the rubber spacer on each corner.
The best i can conclude, just a very light whistling. Noe.
Thanks much
Thanks
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