M275 V12 Bi-Turbo Platform Technical discussion relating to models sharing the M275 V12 Bi-Turbo (V12 TT). Including SL600, SL65 AMG, CL600, CL65 AMG, S600, S65 AMG.
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Turbo diverter valve not working well?

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Old 11-21-2009, 09:10 PM
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Turbo diverter valve not working well?

Anyone have diverter valve problem, the thing on front of turbo aka blow off valve. At part throttle, mid boost if I let off gas, I hear a low pitch sound comming from left side engine area sounds like boost surge where the blow off valve is not opening to relieve boost pressure. Also, how do you check the valve, and where can u get a replacement?
Old 11-23-2009, 12:26 PM
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I dont know if anyone having this issue. If youre are mid boost and you let off the throttle the DV will open to relieve pressure, any sound your hearing is boost being bled thru your DV.
Old 11-23-2009, 08:52 PM
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It is a different sound than normal shhhhhh. It is lower in pitch like a wootoooo.

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