I've seen this issue mentioned a few times in the Bentley forum. I am strongly considering adding a 2007-2009 GT to the garage. Are there definite years that have this issue? Do all cars of certain years eventually have this problem or is it a chance thing? I know nothing is guaranteed and it's not a dealbreaker but any info you guys can provide on this (or other inherent issues) would be appreciated. Thank you all.

 

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My car makes the same sound, my engine has been removed by bentley for vacum leak.
But over the weekend check engine light came on, mechanic told me i had a leak on brake boost pump that is behind the left wheel well.

Strange thing is when i had the vacum leak on the engine, there was no check engine light.