Miata Mailing List: May 1999, Message #80

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Larry was right... well, half right.  It was the hood alright, 
rubbing against the CAI box.  But without Larrys pointer, I 
wouldn't've been nosing around the front two hood bumpstops.  Then I 
noticed a small shiny spot on the drivers side of the lower half of 
the CAI "mouth", and a corresponding shiny spot on the hood, with 
dust all around.  Grabbed a file and whittled away, took another 
drive and the noise appears to be gone!  The afternoon sun is setting 
in (heating things up), so a test in the morning will prove 100% 
success.

In retrospect this make sense.  Upon initial installation, no 
vibration noise (thing was pressed hard into the hood, and ground 
away w/o rattling).  A few weeks later the noise sets in (once the 
thing is worn down and fits looser), mainly when cold (gap is the 
most when the plastic is cold).  

Thanks, Larry! 

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