My 1985 300SD did this especially when decelerating. The problem was that they implemented a pop off valve on the intake manifold. This valve would open on deceleration to drop the NOx by dropping boost. Made a bad whistle, disconnecting vacuum line fixed the problem.
Regards, Trampas -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kaleb C. Striplin Sent: Thursday, September 29, 2005 1:25 PM To: Mercedes mailing list Subject: Re: [MBZ] Whistle My 85 123 does the exact same thing. Have not figured it out yet. Gabriel S. wrote: > Any of you 124 diesel owners ever had this problem...my car makes a strange > whistling sound (sounds like it's coming from the turbo) at highway speeds > at around half throttle...it goes away if i floor it or back off the gas. > > -- > Gabriel Soto > Southern California > 1987 300D 230K=- > _______________________________________ > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://striplin.net/mailman/listinfo/mercedes_striplin.net > > > -- Kaleb C. Striplin/Claremore, OK 89 560SEL, 87 300SDL, 87 300SDL, 85 380SE, 85 300D, 83 300TD, 81 300TD, 81 240D, 81 240D, 76 450SEL, 76 240D, 76 300D, 74 240D, 69 250 Okie Benz Auto parts-email for used parts _______________________________________ For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://striplin.net/mailman/listinfo/mercedes_striplin.net