One problem related to power steering pump has been reported for the 2003 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Cadillac Deville based on all problems reported for the 2003 Deville.
The contact owns a 2003 Cadillac Deville. When the contact started the vehicle, it shook violently and the speed increased while driving. The dealer replaced the power steering pump, but the failure recurred. The vehicle continued to shake violently and the contact had to apply force to hold the steering wheel while driving. The failure occurred at various speeds. The manufacturer was notified of the failure. The approximate failure mileage was 103,000.