My power steering and power brakes both stopped working at the same time
What is your question?
I've changed the pump and I still dont have powe steering or power brakes what is the cause of the problem ivan heard it could be a hydrobooster I've heard the cooler may be clogged
How long has your 2004 GMC Yukon had this problem?
RepairPal Certified shops can diagnose and repair your 2004 GMC Yukon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hearsay doesn't do a lot of good when it comes to automobile repair .. So rather than post some of the possibilities - Recommend *hands-on* testing by qualified personnel.