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Discussion Starter #1
Can anyone tell me if they have seem oil filler tubes collapsed (completely flat) by the engines vacuum level? Mine is totally flat when the engine is running. It runs very rough when the cap is removed, better when it's on. Looks very unusual, though.

Anyone experienced this? time to replace the AOS just in case?
 

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Discussion Starter #3
Does anyone else have this condition (oil filler tube pulled flat by engine vacuum) on their cars? It pops back into shape as soon as the engine is off. Appreciate any feedback from anyone about it.

Thanks!
 
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