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Rattle Sound On Cold Start RX350 - Car Talk - Nairaland

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Help A Brother, Tickling Noise At The Top And Bluish Smoke On Cold Start / Honda Crv 2012 Rattle Sound On Starting / Two Seconds Rattling Sound Coming From Engine On Cold Start .... (2) (3) (4)

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Rattle Sound On Cold Start RX350 by Whynow(m): 8:16am On Oct 09, 2017
Hi great car enthusiats
Car is a 07 Lexus RX350 , runs fine, no issues, but one thing usually happens once in long while.
I get this short 2 sec moderate to loud rattle on cold start, happens once in a blue moon ........you may not hear it for months.
The way i can describe it is like the sound of a spanner or metal sound shaking, a rattle , but not grinding sound.

Now i checked Lexus forums, and i read its common with GS350, RX350 e.t.c and they mentioned VVT, Cam shaft timing, Timing belt/chain tensioner, hydrollic lifters e.t.c.

Please who have experienced this , what could it be and how did you fix it.

This are two videos I found that almost describes the sound.
Kindly observe the initial rattle on start up


https://www.youtube.com/watch?v=tDVIR9bmtL4


https://www.youtube.com/watch?v=FzzboZDObbs
Re: Rattle Sound On Cold Start RX350 by kenkrypton(m): 10:14am On Feb 22, 2018
I noticed this problem with my 2007 Lexus RX350 last year. When i changed the oil the rattle noise went away and later it resurfaced close to when it was due to for another oil change. I just changed my oil in January and the noise went off and came back just last week and I am determined to get ride of it because it is really annoying. I read some posts in different forums as you have highlighted and saw there was actually a recall from Lexus for the camshaft gear which is the problem. Since we do not have dealership in Nigeria I do not know what to do. @Whynow Please let me know if you have been able to resolve it.
Re: Rattle Sound On Cold Start RX350 by diportivo: 1:23pm On Feb 22, 2018
kenkrypton:
I noticed this problem with my 2007 Lexus RX350 last year. When i changed the oil the rattle noise went away and later it resurfaced close to when it was due to for another oil change. I just changed my oil in January and the noise went off and came back just last week and I am determined to get ride of it because it is really annoying. I read some posts in different forums as you have highlighted and saw there was actually a recall from Lexus for the camshaft gear which is the problem. Since we do not have dealership in Nigeria I do not know what to do. @Whynow Please let me know if you have been able to resolve it.


chairman

elizade is everywhere na
Re: Rattle Sound On Cold Start RX350 by mayor2013: 9:01pm On Feb 22, 2018
diportivo:



chairman

elizade is everywhere na

Leave am Na. By the time dem knack am 5million naira bill รจ go know say dealership dey naija grin grin
Re: Rattle Sound On Cold Start RX350 by JAYUK(m): 5:04am On Feb 23, 2018
The days when car talk section used to be helpful is gone,a brother has an issue with his car,he posts it for help,stones and yabs will be all he will get.
Years back,Gazzuz, ikenna and sienna helped me out severally.
Let's be our brothers keeper.
Re: Rattle Sound On Cold Start RX350 by JAYUK(m): 5:09am On Feb 23, 2018
@whynow,i had same problem with my RX 330 O5,it grew worse over time,the mecho suspected a bunch of parts in the engine that has gone bad as the culprit.I detest having theatricals with mechanics, I had to change the engine.
Re: Rattle Sound On Cold Start RX350 by helpishere(m): 5:56am On Feb 23, 2018
Use the oil recommended .for your car. There is no other method
Re: Rattle Sound On Cold Start RX350 by Whynow(m): 6:14am On Feb 23, 2018
I started using mobil 1 5w30 extended performance and seem to have stopped. Not heard the sound since then.

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