How are the mounts? Mine are shot, and I think the pump wobbling around while 
driving is why the air line popped out on mine. I just received new ones that 
I'm going to install as soon as I can.

FCP Euro lists Arnott as aftermarket and Wabco as OE, only $40 more. Is there a 
difference?


On Tue, Jul 4, 2023, at 16:38, Kaleb Striplin via Mercedes wrote:
> Once again it appears I most likely have a dead Arnott suspension pump. 
> The last one was installed in March. It did blow the fuse once in that 
> time but has been fine since. Wife took the GL to town, came out of 
> store and it was sitting on the ground. Most likely it was almost on 
> the ground before that. Yesterday I did a full service on it with 
> oil/air/fuel filters and it was fine then. Fuse is not blown, pump just 
> does not appear to be running. Car can sit for weeks and never drop. 
> There are no leaks that I can find. Somebody on one of the forums said 
> something about the connectors at the pump being bad and causing the 
> fuse to blow, and replacement connectors are available. I guess I will 
> have to get it into the shop and see what is going on. I don’t 
> understand how these pumps keep going bad on a leak free system. 
>
> Sent from my iPhone
>
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