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Strange noise when accelerating at WOT

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Old 02-24-13, 10:58 PM   #16
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No problem sir, glad i can help
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Old 02-25-13, 12:42 AM   #17
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i agree with blitz. i had the same sound. usually in first gear in manual mode, if i stomp on the gas, it would sound like a supercharger belt whine until second gear. it was just the belt, it went away after changing it.
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Old 02-25-13, 12:55 AM   #18
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I dont drive my car hard and only notice it occasionally. This seems like a common problem and am surprised no one has mentioned it before. Have to get dealer to check it next service.
How often is timing belt supposed to be changed 100k? My car has only done 20,000km
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Old 02-25-13, 12:56 AM   #19
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Quote:
Originally Posted by BULLIT View Post
I dont drive my car hard and only notice it occasionally. This seems like a common problem and am surprised no one has mentioned it before. Have to get dealer to check it next service.
How often is timing belt supposed to be changed 100k? My car has only done 20,000km
im pretty sure this car uses a timing chain like most v-series cars nowadays. i dont think its a maintenance item.
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Old 02-25-13, 01:06 AM   #20
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Its a drive belt is not timing belt=timing chain in the F.
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Old 02-25-13, 01:07 AM   #21
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Sorry meant drive belt. Your a wealth of information blitz:-)
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Old 02-25-13, 01:10 AM   #22
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eheeheh just want to help fellow members we have very high standard in ISF CL unlike other forums
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Old 02-25-13, 08:35 AM   #23
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Lightbulb FYI for All...

This "swooooosh" sound is mostly heard between WOT shifting from 1 - 2 - 3 gears...

I had the noise for a while.. First I thought tires... then maybe trans...
After I ruled out the trans, and tires (ran OEM Bridgestones, PS2's & Conti's)

I came to the belt conclusion..

The drive belt doesn't need to look old or cracked for it to make noise.. I attribute it to loss of grip, which causes the sound..

Some of you with low miles, might be experiencing the sound due to age...
My case was age + miles.. But it still looked very good!! ( a bit shiny )


The harder you run your car, the more likely the sound will show up sooner..


Here is a pic of when I changed mine in the below thread.

http://www.clublexus.com/forums/is-f...-belt-diy.html

Click the image to open in full size.


~ Regards,

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Old 02-25-13, 09:11 AM   #24
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rule out timming belt if that one slips the motor will get destroyed!!!
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Old 02-25-13, 10:32 AM   #25
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rule out timming belt if that one slips the motor will get destroyed!!!
What timing belt..???

The 2UR-GSE motor runs two chains..

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Old 02-25-13, 10:56 AM   #26
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i like my car when it makes the squealing noise lol!

good info ill hit up a local dealer one of these days to have them replace it
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Old 02-25-13, 06:51 PM   #27
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i have the same noise, like supercharger whining at wot. since i recently replaced the drive belt from dealership, and it's still making this noise.. should i be concerned?
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Old 02-26-13, 11:32 AM   #28
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Quote:
Originally Posted by stvincent View Post
i have the same noise, like supercharger whining at wot. since i recently replaced the drive belt from dealership, and it's still making this noise.. should i be concerned?
"Dealership" work should be under warranty... Have them see if the tensioner pulley & water pump pulley are working correctly..

If it’s still making noise, it could very well be the “Tensioner Pulley” that has failed..

As shown here: Drive Belt DIY

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Old 02-26-13, 03:37 PM   #29
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Always count on Joe! It's like you have all the thread answers on tap.
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Old 08-14-13, 09:57 PM   #30
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can someone tell me if the "slipping" belt affects the performance in any way? loss in power? any other negatives?

also, anyone that had this fixed, was it covered under warranty? thanks!
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2012, accelerating, acceleration, auto, chirping, gx470, lexus, ls460, noise, screeching, sound, weird, wot

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