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Old 04-01-2011, 11:12 AM
BrianR BrianR is offline
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Default Rattling in a 3.0 at 2500(ish) RPM

So I have a friend with a 1996 B3000, at around 180k miles who's engine starts to rattle around 2500 RPM. We've ruled out anything with the belts, accessories, alternator, and fuel injectors; but the question as to what it is still remains. When the truck is started and is idling or under 2500 it sounds just like any other V6, as well as if it hits around 3000-3250, however there is that small band where it rattles as you rev the engine through that 500-750 rpm range. Any thoughts folks?

-- Brian
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1997 B2300, Expo buckets and center console, a bit of blue paint, and the dual ignition mod. Just over 80k Miles.
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Old 04-01-2011, 07:47 PM
wangbungal wangbungal is offline
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Default Re: Rattling in a 3.0 at 2500(ish) RPM

post a vid here coz it could be a lot of things just my thought
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Old 04-02-2011, 12:34 AM
BrianR BrianR is offline
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Default Re: Rattling in a 3.0 at 2500(ish) RPM

Well the problem is neither of us have a way to take a video, so I'm just hoping for ideas that we can check out.

-- Brian
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1997 B2300, Expo buckets and center console, a bit of blue paint, and the dual ignition mod. Just over 80k Miles.
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Old 04-10-2011, 10:27 PM
Airtruksrus Airtruksrus is offline
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Default Re: Rattling in a 3.0 at 2500(ish) RPM

have you checked the u-joints if the truck is in motion?
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Old 04-11-2011, 02:14 PM
Tommy2 Tommy2 is offline
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Default Re: Rattling in a 3.0 at 2500(ish) RPM

From what I understand it sounds like the cam sync sensor on the back of the motor.

Mine rattles some as well..Not too bad though. They seem to go out on all of the 3.0s eventually. I'll probably wait until it gets worse before I do anything. I've put enough money into my truck.

You should find a lot of info if you start searching it - theres even videos on youtube of people replacing them.

Last edited by Tommy2; 04-11-2011 at 02:20 PM.
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