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Velcro
Joined: 05 Dec 2010
Posts: 23
Location: St-Hubert
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 Posted: Sat Sep 10, 2011 6:40 am Post subject: ss Impeller rattle at idle |
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Is there a fix for the SS impeller rattle when engine is idling, and if so, what is the best way to fix it.
Pump is an A/T sd309 |
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Will R
Joined: 31 Jul 2005
Posts: 677
Location: NWT/Alberta
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| Posted: Sat Sep 10, 2011 11:44 am Post subject: |
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yup...put your foot in er!!!!
_________________
When in doubt hammer down! |
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shallowman
Joined: 03 Apr 2006
Posts: 199
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| Posted: Sat Sep 10, 2011 12:39 pm Post subject: rattle |
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the only way is to put in a flywheel not a flex plate and that will help alot
as it is not the stainless impeller that is rattling it is the spline at the pump off the drive shaft , . believe it or not , its true , as the impeller and shaft are heavier then the counter balance of your flex plate ,
good luck |
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Akgravelpumper
Joined: 26 Apr 2006
Posts: 22
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| Posted: Sat Sep 10, 2011 1:03 pm Post subject: |
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| The issue is Torsional vibration, a heavier flywheel changes the rpm were the harmonics occur, changing idle timing a few degrees will move the rpm up or down a little. A Torsional damper of some sort in the driveline will also solve the problem, but $$$$ |
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coho dr.
Joined: 27 Jun 2010
Posts: 18
Location: Mission B.C.
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| Posted: Wed Sep 14, 2011 10:50 am Post subject: |
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| My SD312 rattled also with the stainless impeller. I would just leave it alone or you could upgrade to the SD191AF kit. Call Ron at American Turbine he will answer all your Questions |
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