My Chrysler 300c keeps humming lightly when the car is off any ideas

Asked by Allibak1 Jul 19, 2018 at 06:17 PM about the 2007 Chrysler 300 C RWD

Question type: Maintenance & Repair

4 Answers
30

MechanNick answered 5 years ago

Maybe the computer (ECM/PCM)? They stay on up to around 30 minutes after the car shuts off. Try to figure out what area it's coming from.

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Hornet_2497 answered 5 years ago

MechanNick is probably correct. So disconnect your battery and see if the humming stops. If it keeps humming, then it is not electrical. Sometimes turning a car off with A/C, you will hear refrigerant gurgling just a few minutes.

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Hemi300c01 answered 5 years ago

Question?? My 2005 300c is humming while car is turned on and while driving vehicle?? Why??

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Hornet_2497 answered 5 years ago

You can repost your question as an original post so more people will see it. I would guess it is your power steering fluid is low. Check transmission fluid too. These pumps whine when low on fluid. Probably nothing serious.

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