Crank vent tubes, is what they said they replaced. Under the intake I see 2 new rubber like tubes that are about 1 inch in diameter. Whatever, it sure cured the problem, I think I can stand a dime on its edge on the hood with the engine idleing.

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K