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GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Valve spring replacement issues

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Old Jan 22, 2013 | 02:09 PM
  #1  
dave5jones's Avatar
dave5jones
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Default Valve spring replacement issues

Hello everyone....I had the valve spring replacement ( recall ) completed on my 07' GS350 and since i had the spring replacement completed, oil consumption has increased to the amount of 2 liters over 2500 miles.
Lexus dealer informed me about a gas consumption increase, which i am ok with but i am definitely not ok with a oil consumption increase with no explaination as to why the increase or where the oil is being consumed.

I didn't have any issues what so ever with this car before the valve spring change and totally regret doing the recall work. There is only 98,000 miles on this car which Lexus promotes as a low mileage engine and yet i can not make an oil change without adding 2 liters of oil. To make matters worse i just dished out 800 dollars for the Lexus dealer to test the valve seals and check the valve spring replacement work.....and no anwers as to where the oil is going. No oil leaks, spark plugs look great ( as per Lexus ) and no signs of burning oil........so begs the question, where the hell is the oil going??

Does anyone have any ideas and / or have the same oil consumption issue?
I totally love this car and was an exceptional car up until the valve spring replacement. Any replies would be appreciated.
Thank-you,
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Old Jan 22, 2013 | 04:22 PM
  #2  
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Originally Posted by dave5jones
Hello everyone....I had the valve spring replacement ( recall ) completed on my 07' GS350 and since i had the spring replacement completed, oil consumption has increased to the amount of 2 liters over 2500 miles.
Lexus dealer informed me about a gas consumption increase, which i am ok with but i am definitely not ok with a oil consumption increase with no explaination as to why the increase or where the oil is being consumed.

I didn't have any issues what so ever with this car before the valve spring change and totally regret doing the recall work. There is only 98,000 miles on this car which Lexus promotes as a low mileage engine and yet i can not make an oil change without adding 2 liters of oil. To make matters worse i just dished out 800 dollars for the Lexus dealer to test the valve seals and check the valve spring replacement work.....and no anwers as to where the oil is going. No oil leaks, spark plugs look great ( as per Lexus ) and no signs of burning oil........so begs the question, where the hell is the oil going??

Does anyone have any ideas and / or have the same oil consumption issue?
I totally love this car and was an exceptional car up until the valve spring replacement. Any replies would be appreciated.
Thank-you,
Your Lexus Owner's Manual suggests a maximum consumption of 1L/1000km. 2L over 4000km ain't that bad. Engines are never the same after major work, but you're still within spec. Where is it going? It's probably being burned. No biggie, just keep your eye on it.
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Old Jan 22, 2013 | 04:34 PM
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...And believe me, don't feel any regret towards doing the recall work. I had a spring fail while driving and it scrapped the engine. Not fun.
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Old Jan 23, 2013 | 08:17 AM
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Had the replacement done 2 oil changes ago, and used no oil in between changes. Gas mileage also unaffected.
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Old Jan 24, 2013 | 10:42 AM
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Gas mileage dropped, but I have this annoying vibrating noise coming from the passenger side of the engine at around 1500 RPMs.
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