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vibration on above 3k rpm...why?

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Old Jul 21, 2006 | 06:46 PM
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vibration on above 3k rpm...why?
after i change the engine and i got vibration and noise ,,,,,,,i guess it is related to drive train,,,,,,,the loudest noise occurs at 3k rpms.......seems like i have noise coming from the catalitic converter area!
please help
Last edited by yesevo; Jul 21, 2006 at 08:33 PM.
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Old Jul 21, 2006 | 09:46 PM
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Originally Posted by yesevo
after i change the engine and i got vibration and noise ,,,,,,,i guess it is related to drive train,,,,,,,the loudest noise occurs at 3k rpms.......seems like i have noise coming from the catalitic converter area!
please help
Possibly the downpipe rattling?
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Old Jul 22, 2006 | 12:14 AM
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Timing belt out of phase with balance shafts.
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Old Jul 22, 2006 | 05:36 AM
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Timing belt out of phase with balance shafts.----------
OMG,,,,I HOPE NOT.,,.CUASE THE ENIGNE REVS GOOD I THINK ITS MORE LIKE RELATED TO DRIVE TRAIN!

WHEN I HIT THE GAS AVOBE 5K RPM AND LET THE GAS PEDAL OFF AND AS RPM FALLS DOWN , I COULD FEEL VIBRATION ON THE SHIFT KNOB AND NOISE , ESPECIALLY AT 3K RPM AND ABOVE 3K RPMS,,

HELP
Last edited by yesevo; Jul 22, 2006 at 05:39 AM.
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Old Jul 22, 2006 | 11:31 AM
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caps please

and thats nto good if your trying to sell it
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Old Jul 22, 2006 | 01:47 PM
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vibration at 3k is usually timing belt is wrong.
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