High Pitch Whine at Start Up - Page 2 - Smart Car Forums
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post #11 of 33 (permalink) Old 01-13-2009, 12:37 PM Thread Starter
 
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muffler bearing? are you serious?
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post #12 of 33 (permalink) Old 01-13-2009, 12:50 PM
 
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"Muffler bearing" is just an old Internet joke on car forums, guys. Just like "blinker fluid".
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post #13 of 33 (permalink) Old 01-13-2009, 12:51 PM
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Quote:
Originally Posted by Smartfor2guy View Post
It's the muffler bearing


Some people can be such smarta$$'s, of course he's kidding, jwright is correct, it's the air pump that helps fire off the catalytic converter when the car is cold, that's why you don't hear it on a warm car. Should run for about 20 seconds then it shuts off.
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post #14 of 33 (permalink) Old 01-13-2009, 01:18 PM
 
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I thought it was the "flux capacitor" at start up...
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post #15 of 33 (permalink) Old 01-13-2009, 01:37 PM
 
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Some times it doesn't work when cold either, I guess the ECU decides when the cat is in heat and if it needs a [email protected]%! job.
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post #16 of 33 (permalink) Old 01-13-2009, 01:45 PM
 
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Mine does the vacuum cleaner noise at first start. Was wondering what that was? Not whiny though.
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post #17 of 33 (permalink) Old 01-13-2009, 07:13 PM
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Quote:
Originally Posted by Padawan View Post
"Muffler bearing" is just an old Internet joke on car forums, guys. Just like "blinker fluid".
I've got a couple cases of this stuff if you are interested.

Yellow-Smart
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post #18 of 33 (permalink) Old 01-13-2009, 07:42 PM
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Is it the new style or the old style fluid?? I have a few vintage cars that need topping off. Just finished tightening the piston return springs. I adjust them every 35,000 miles or 6 months.
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post #19 of 33 (permalink) Old 01-14-2009, 02:39 PM
 
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You're all wrong . . . it is a -

Dilithium crystal heater unit . . . it'll go away after the crystal is at operating temperature . . . not to worry, a normal sound.
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post #20 of 33 (permalink) Old 01-14-2009, 02:59 PM
 
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Don't forget, it has to warm up the neural gel packs in the Smart's computer...
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