Makes horrible rattle sound in park and reverse

2006 DODGE STRATUS
110,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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AROSINSKY
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my car makes a horrible rattle sound in park but goes away when I am driving. the noise comes back if i am at a stop sign as well. but again when I am driving the sound goes away. Also my anti freeze seems to disappear but no antifreeze on the ground. Could this be a water pump and timing problem?
Mar 21, 2017 at 6:33 AM
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STRAILER
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Hello,

This sounds like a classic broken flex plate problem which is located between the transmission and engine. Use a flash light to see if you can tell if there is any rust colored dust on the flex plate close to the crankshaft. Or raise the car on a hoist to and stand under the car when someone is inside while putting the car in park.

https://www.2carpros.com/articles/rattle-noise

Please let us know what happens.

Best, Ken
Mar 23, 2017 at 7:48 AM
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AROSINSKY
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I took it to a mechanic and he said what you said, a bad flex plate. I have since had it fixed and the part was $60 dollars and the labor only $300. so on the road again
Apr 12, 2017 at 2:25 PM
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STRAILER
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Glad you could get it fixed please use 2CarPros.com anytime we are here to help

Best, Ken
Apr 12, 2017 at 3:31 PM