1998 z71 auto ext cab "power steering"
 

Lose power steering when warm,I have replaced 2 gear boxes,3 pumps.steering shaft, hoses,balljoints,idler arm,pitman arm,all tie rods,all new parts. theft moduel.there are no codes.also on the back of the pump there is a 2 prong switch,I have taken it out,jumped it and still no change.
I did try trans fluid that helped a little, Also i did put a inline filter,No change,Please if any sugguestions let me know!!!!!
Thanks, Ed

Welcome to the Forums. Gonna move your thread over to the tech section, you should get alot more hits and hopefully some help. Glad you joined up.

How do i get to tech section?