Weird noise at startup.
#2
Re: Weird noise at startup.
usually it's the air pump for the air bag level. from what I read on every startup a short time after it runs the pump for 4sec as a self diagnostic for the system. if you hear it running much more often than that, it can mean you have an air leak in the system. I read it's pretty common but mine hasn't given me any trouble with 140k on it.
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