LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

'11 LS460 Start Up Rattle

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May 30, 2015 | 04:57 AM

#1

jud149

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'11 LS460 Start Up Rattle

I get this noise, AT TIMES, on cold starts which sounds similar to a knock. It lasts for maybe a couple of seconds at most. It's not the FI ticking that is generally always present. Anyone experienced this? I see where other models (engines) have reported start up noise but nothing on the 460.

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May 30, 2015 | 06:55 AM

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Devh

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It could be a number of things but the most common is a bad belt tensioner.

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May 30, 2015 | 05:31 PM

#3

jud149

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Quote:

Originally Posted by Devh

It could be a number of things but the most common is a bad belt tensioner.

Thanks for your input.

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