[W126 Coupe] rear hydraulic suspension pump duty cycle

flakeymail-benz at yahoo.com flakeymail-benz at yahoo.com
Thu Feb 8 18:51:35 EST 2007


by way of clarification, the pump next to the right
rear wheel. and i can only hear it running from
outside the vehicle.

perhaps this pump is inaudible normally?

cheers,
alex

--- flakeymail-benz at yahoo.com wrote:


> howdy,

>

> how often should that pump be running, and for how

> long? my 560 coupe is new to me, and i'm noticing

> that little pump seems to be running a lot, with the

> car parked, idling, and a steady load in the trunk.

> it'll run for at least 5 minutes w/o shutting off.

> shouldn't it build up to pressure and cycle off

> quicker than that?

>

> it seems to be holding its oil fine though, no

> apparent leaks.

>

> suspension rides ok, a little "thwacky" from the

> rear

> over bumps, but no outrageous misbehaving.

>

> cheers,

> alex

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