Engine Tapping Noise worse on cold starts? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 11-04-2008, 03:24 PM
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Engine Tapping Noise worse on cold starts?

Lately on cold mornings, my 05 with 59K has a really loud engine tapping noise when I first start it until it warms up. I think it's the same usual tapping noise that all of these engines including mine have, but is it normal for it to be louder on cold morning starts? Cold starts later in the day after the truck has been sitting for hours, but when the outside temp is warmer, are okay.
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#2 Old 11-04-2008, 03:33 PM
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unfortunately like you said, that noise is normal to our tacos..... it shouldn't be but it is. my truck is louder when it's cold out on a cold start. It almost sounds like the manifold ticking noise when the gasket is blown out or the manifold is cracked but if they're coming from the factory like this then i can only assume it's not that. I've read before that replacing the manifold or putting on headers will eliminate this noise, but it just doesn't make sense to me.
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#3 Old 11-04-2008, 03:39 PM
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My 2003 4Runner makes the same noise. Use synthetic oil and it goes away....at least mine does.
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#4 Old 11-04-2008, 10:00 PM
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when i first got my 06 i noticed that same sound on cold starts. as soon as i switched to synthetic no more noise. regular oil is cold, thick and doesn't circulate the engine quickly until it warms up. synthetic isn't affected by the cold temp as much and therefore begins circulating more easily and quickly. it's all about the lube!!!!!!!!

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#5 Old 11-04-2008, 10:15 PM
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i use synthetic and noticed a slight decrease in noise.... it didn't completely stop like some of you are saying
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#6 Old 11-04-2008, 11:25 PM
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I noticed the cold weather tic today.

I heared the tick clearly today,now thats it's a bit colder out I guess.I drove slowly and waited for it to go away but then forgot about it. My mechanic uses AMSOIL in my truck and OEM filter. Not really worried . 26,000 mi
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#7 Old 11-17-2008, 09:11 PM
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I don't know about you guys, mine doesn't sound like the manifold. it sounds more like the rocker arms sticking or hitting on something, i would describe it as sounding like a bag of ass. had my local dealership check it out, and they told me its "normal valve-train noise".

only good thing is that they washed it for me free of charge.

Is this something similar to what you're hearing?
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#8 Old 11-19-2008, 03:10 PM
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Use Amsoil.
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#9 Old 11-19-2008, 03:52 PM
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#10 Old 11-19-2008, 03:57 PM
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I Use M1 Syn And It Does Sound Louder In The Wintertime. Not Sure Why But I Doubt That It's Something Other Than A Nuisance. I'm At 60k On My 05
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#11 Old 11-24-2008, 11:02 AM
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mine is slighly louder for about 10 seconds when it first starts up. 115K and still good.
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#12 Old 11-25-2008, 08:46 PM
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(10,200 miles and growing!) probably of no help to you seeing as how mine is still *new*... but like canddmeyer said, use synthetic oil. i did and i've barely heard it at all.

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#13 Old 11-25-2008, 09:05 PM
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my 08 tundra makes the same racket at startup on cold days. Its got synthetic in there too.


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