Killa10 Posted January 2, 2023 Share Posted January 2, 2023 Hiya all, ive got a 2006 ford transit connect. There is a very loud humming noise coming from under the fuse box? Even when the van is off. The humming is still there? Ive checked fuses, relays injust dont know what it is. When i looked under the fuse box there was a black circle metal object, and that was vibrating even tho the van is off? Any help would be amazing please thanks Quote Link to comment Share on other sites More sharing options...
lowspeedpursuit Posted January 2, 2023 Share Posted January 2, 2023 That's the Anti-Lock Brakes (ABS) pump. I believe Ford calls it the "Hydraulic Control Unit" (HCU). Are you having any trouble with your brakes? ABS codes? Brake-related lights staying lit on the dash? Everything about ABS troubleshooting in the manual operates off trouble codes; there's nothing general about vibration. I also don't see anything about bleeding procedures for the pump; even on new pump install it just says to bleed normally from furthest -> closest wheel. I would isolate it to the pump by pulling the ABS pump motor fuse and seeing if the vibration stops. In 2006 that seems to be PDC fuse 13, with PCD 23 and interior 161 also being part of the ABS system. If you confirm it's the pump, I would disconnect the ABS computer from somewhere around there, clean the connectors, and reseat. I would also flush brake fluid/bleed the system. Beyond that, I wouldn't really know where to go without codes. It's possible you'll end up wanting a new computer, in which case I would go to the junkyard, because it seems like they cost ~$300 new. Quote Link to comment Share on other sites More sharing options...
Killa10 Posted January 2, 2023 Author Share Posted January 2, 2023 Thank you so much ill look in to that in the morning and do everything you said. appreciate the nice quick response ?? ill get back to you with the update thanks again Quote Link to comment Share on other sites More sharing options...
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