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#1
07-24-2010, 09:27 AM
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Rattling Noise
I have a 2003 s-10 p/u with 4.3 and 4 wd. When I accelerate from a stand still, or slightly power brake I have a rattling noise coming from under the truck. I checked all the heat shields, tried to shake the cat. conv. ad can't find where it is coming from. Any help would be greatly appreciated. Thanks, Keith
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#2
07-24-2010, 10:23 AM
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Re: Rattling Noise
Does it increase with MPH or RPM or engine torque?
SITTING STILL UNDER LOAD OR WHEN YOU START MOVING?
__________________
Remember proper testing gives us the answer to many problems. MT
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#4
07-24-2010, 11:29 AM
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Re: Rattling Noise
Does it increase with engine RPM or truck MPH or any gear?
Does truck have to be moving to do it?
__________________
Remember proper testing gives us the answer to many problems. MT
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#5
07-24-2010, 12:54 PM
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Re: Rattling Noise
does'nt really seem to increase with speed. It will do it with just revving the engine sitting still, or slightly power braking the truck in gear. Truck seems down on power and fuel mileage has dropped.
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#6
07-24-2010, 05:41 PM
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Re: Rattling Noise
Quote:
Also check back pressure on cat.
__________________
Remember proper testing gives us the answer to many problems. MT
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