Silvado ABS Light and humming noise truck is turned off

bunkermonkey

Silvado ABS Light and humming noise truck is turned off

Unread post by bunkermonkey » Tue May 18, 2010 6:27 pm

I have been using my dads 1999 chevy silverado and the abs light has come on and humming noise (like a fan) has started even when the truck is turned off. I had to remove the battery to stop the sound..Help

MeccBoy

Re: abs light on and humming noise when truck is turned off.

Unread post by MeccBoy » Wed May 19, 2010 10:34 am

Sounds like the ABS pump is running.
It is located under the drivers side of the truck, on the frame rail.
Either the pump, valve assembly, or control model has failed.
Also, check the ground on the frame under the drivers side of the truck, forward of the ABS unit. Loose or corrored ground can give this problem as well.

bunkermonkey

Re: abs light on and humming noise when truck is turned off.

Unread post by bunkermonkey » Sat May 22, 2010 3:23 pm

Meccboy,

Thanks for the help I'll replace the unit. :)

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