why is my steering so hard stiff after a change of power steering pump? on 2007 Toyota Camry

My problem actually started when i asked that a leaky hose be changed on the power steering pump.After d change,came a whinning noise and a rubbery steering stiffness,after the change:From cold start,it is slightly soft.After about 10mins of driving,it become very hard stiff!I have also changed all pressure hoses.

by in Hialeah, FL on June 14, 2012
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
ANSWER by , June 14, 2012
POSS BAD RACK AND PINION AND MISDIAG FROM THE START