Humming noise from the back of the car?

Dec 12, 2007 7 Replies

Was just wondering if anyone knows what a humming noise from the back of the car could be? I only hear it after shutting down, and it can only be heard for 10 seconds or so, which means I never get a good chance to locate it exactly, but I can hear it's from the rear. Sound like a pump (?) summing for a short while, but not always...



Car = BMW 528 Touring 2000.



Cheers


schreef in bericht news: snipped-for-privacy@r29g2000hsg.googlegroups.com...

US based car? Carbon Fuelvapour filter or feul pump.

Euro based car, Fuel pump.

Erik

If you have the self-leveling suspension (all US tourings came with it)

- there is an air pump inside the spare tire well (under the spare) that may run for a few moments after shutdown.

Look for a drunk passenger or the mother-in-law under the seats.

Only if it's humming "Moon Along the Wabash." Does this car have pneumatic suspension by any chance?

--scott

Could just be the antenna. Are you new to this car??

The painted on antenna on the rear window? It hums? Amazing.

Have you checked to see if Bill Clinton and Monica have hitched a ride?

My guess is that there are ventilation system flaps that are operated by a motor or by vacuum, and you are hearing these flaps close. I would not give this issue another thought ... (and I'll try not to think of Monica either .)

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