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Tapping Noise From Engine


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Hello everyone, I recently started noticing a tapping like noise from the engine area only when the car is cold, as soon as the car warms up the loud tapping is gone, I know this engine makes a normal fairly loud rattle at idle, but this noise is not like that one. The dealer couldn't not duplicate it. yeah right! I hear it every morning now. I just have to give it a very light accel. to hear it. has anyone encountered this problem? I really want to go back to the dealer for them to recheck it. If anyone can give me a heads up I would appreciate it.

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Yes, that tapping sound was quite noticable just in the last very cold spell here. I haven't had it to the dealer yet, but I'm putting in some injector detergent with the next tank of gas. Since it probably won't be that cold again until next winter, I'm not sure if this will help or not.

Stan

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Yes, that tapping sound was quite noticable just in the last very cold spell here. I haven't had it to the dealer yet, but I'm putting in some injector detergent with the next tank of gas. Since it probably won't be that cold again until next winter, I'm not sure if this will help or not.

Stan

Thanks Stan, I appreciate your input and I will do the same, and see if it changes at all.

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  • 2 months later...
Yes, that tapping sound was quite noticable just in the last very cold spell here. I haven't had it to the dealer yet, but I'm putting in some injector detergent with the next tank of gas. Since it probably won't be that cold again until next winter, I'm not sure if this will help or not.

Stan

Thanks Stan, I appreciate your input and I will do the same, and see if it changes at all.

It's a common noise issue with the 3.5 when it's cold. The EXACT same thing happens to my RX350 when it's cold as well as other people's ES350. It does go away when the engine is warm.

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