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windy roaring noise from under the bonnet
I posted this in the Tech Talk section...but hope a fellow SL owner may have some insight, too.
Have an '87 560SL. From time to time, there comes (seemingly) from under the engine compartment a windy, almost hollow-sounding roar...as if a strong fan were kicking in...the noise almost always abates when I ease up on the gas, but I can't correlate its changes with engine vacuum or RPM. Does this engine have an electric fan that kicks in? It's my first Mercedes, and I have no points of reference. Any thoughts would be appreciated, as always. ~Tom
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Tom '87 560 SL |
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roaring noise
My '79 450SL does the same thing. Sometimes it's more noticeable than others. Like with the top down. I've been told it's the fan. Mine has a clutch fan. Don't know if yours is the same, but I would think so. It does get irratating at times, but I don't think there's anything that can be done.
sbr '79 450SL 75,000 mi milanbraun/palomino lake st.croix beach, mn. |
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It is the fan clutch. My little 380 sounds like a turbine jet preparing for a shortfield takeoff! (now if I can just find out why those brakes remain locked...........)
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thanks
I was guessing it would be something like that...but having no experience, I wanted to verify.
What a great forum this is...what a great country this is.....
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Tom '87 560 SL |
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