2002 CHEVROLET Z71 Steering Problems

NOISE WHEN TURNING STEERING WHEEL TO THE RIGHT, SOUNDS LIKE A SQUEAKY DOOR ONLY LOWER FREQUENCY. TOOK TO DEALER ON MAY 22, 2008, WAS TOLD IT WAS THAT THE INTERMEDIATE STEERING SHAFT WAS LOOSE. I HAD THIS UNIT CHANGED ON MAY 22,2008. ON JUNE 5, 2008, I TOOK THE VEHICLE BACK TO THE DEALER FOR BRAKE WORK WHICH CONSISTED OF REPLACING REAR BRAKE PADS,ROTORS, & EMERGENCY BRAKE LININGS. SINCE THE STEERING WAS STILL MAKING NOISE I HAD THE DEALER CHECK IT AGAIN, THEY DID AND LUBED THE STEERING SHAFT COVER. STILL MAKES NOISE DOES NOT APPEAR TO AFFECT STEERING. ON EA04011 THERE WAS A RECALL FOR MANUAL TRANSMISSIONS IS THIS NOW IN EFFECT FOR AUTO TRANSMISSIONS? ON SEPT. 3, 2008, THIS VEHICLE WAS TAKEN BACK TO DEALER FOR REPLACEMENT OF EXHAUST MANIFOLD GASKETS AND BROKEN BOLTS ON MANIFOLD AND ALSO FOR LEAKING WATER PUMP GASKETS ARE THESE NORMAL WEAR OR...