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Old 05-09-13, 06:45 PM   #1
obrian401
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Default Ticking Noise

My 2001 Lexus es300 is making a ticking noise that's coming from under the car as i drive or when idling high. The car also have low RPM's when the AC is on. what could be causing the ticking noise, and low RPM?
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Old 05-12-13, 12:41 PM   #2
Idreamido
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Hi, I have been experiencing the same tick tick sound when the car is stopped after driving...mine is 2005 ES330
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Old 05-13-13, 06:35 AM   #3
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obrian401 I agree 100% as I have the same situation occurring on my 01 ES. It almost sounds like the issue is coming from the charcoal canister assembly!!
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Old 05-13-13, 06:46 AM   #4
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I'm not cllear if you are hearing the ticking sound while the engine is running, or right after it stopped. But if you hear it after it stopped, than its just your exhaust system cooling down, and the metal is making those sounds while it's cooling. If that's the case than is perfectly normal

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Old 05-13-13, 12:22 PM   #5
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In my case (its 2005 ES330) it happens right after car is stopped...the sound is quite audible...i bought this car couple days ago and was little concerned.

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I'm not cllear if you are hearing the ticking sound while the engine is running, or right after it stopped. But if you hear it after it stopped, than its just your exhaust system cooling down, and the metal is making those sounds while it's cooling. If that's the case than is perfectly normal

Phil
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Old 05-13-13, 04:04 PM   #6
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Quote:
Originally Posted by PFB View Post
I'm not cllear if you are hearing the ticking sound while the engine is running, or right after it stopped. But if you hear it after it stopped, than its just your exhaust system cooling down, and the metal is making those sounds while it's cooling. If that's the case than is perfectly normal

Phil
The sound is heard when vehicle is running at idle state
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Old 05-13-13, 06:22 PM   #7
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This is what it sounds like when the car is parked after driving...can someone please suggest whats going on.
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File Type: zip TickTick_05_ES330.zip (172.8 KB, 136 views)
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Old 05-13-13, 07:26 PM   #8
imherenow
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hmm sounds like you might need to adjust the valves. if so then will have to remove the gasket cover
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Old 05-13-13, 09:05 PM   #9
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Perfectly normal, my car does the exact same thing. In fact I think I can even hear a bit of that ticking noise when my engine is idling, it might have something to do with the fact that the exhaust pipe joints have bolts with springs on them but not sure it could just be the metal expanding/contracting.
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