Ford Ranger rattle

FORD RANGER
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SKIJOR144
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2000 Ford Ranger
70000 Miles, 4 wheel drive, auto, 4.0 V6
I have a rattle at a couple different times. When I accelerate hard, at the upshift it will rattle pretty violently. It also rattles when i am coasting at about 2000-2300 rpm. What might cause that and how could I fix it??
May 18, 2007 at 8:41 PM
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SERVICE WRITER
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Light tinny rattle or heavier metallic rattle?

Like Marbles in a tin can?

Uniform with the rpm, or indifferent to the rpm?
May 19, 2007 at 7:26 AM
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SKIJOR144
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More of a heavy metallic rattle, usually uniform with the rpm......it rattles hard at the upshift after a good acceleration, and when driving and coasting around 2000-2300 rpm
May 19, 2007 at 3:34 PM
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Sounds like an engine ping. The combustion chambers ignite just before they are suppossed to. Ihave a 3.0 that does it from time to time.
May 19, 2007 at 7:12 PM