what is clicking sound under car?
70

Asked by Emelody Nov 08, 2023 at 05:29 PM about the 2010 Toyota Avalon Limited

Question type: Maintenance & Repair

After I start my 2010 Avalon, I hear a low clicking sound. It goes away few
seconds, of driving. Sound comes back, when I turn off engine. It sounds like it
is coming from under the car ,and louder.  What causes this?

4 Answers
202,325

Ed92626 answered 5 months ago

If the sound is coming from inside the car, it might be the BCM. If outside, it's likely the catalytic converter heating & cooling.

Mark helpful
307,225

Gene answered 5 months ago

Body Control Module. But I'm thinking it is a hydraulic timing chain adjuster, the sound is the chain noise until the oil pressure builds up.

Mark helpful

Your Answer:

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