What was found
COMING INTO SUS. WE HAD TO MAKE A SHARP RIGHT TURN INTO PARKING AND THE TILLER WOULD NOT ROTATE FULLY TO THE RIGHT. TILLER DOES NOT HAVE FULL RANGE OF MOTION SMOOTHLY. IT FEELS LIKE IT IS GETTING STUCK HALF WAY. THEN MAKE A CLICKING/RATCHETING SOUND AND THEN WILL MOVE. TRIED TO MOVE THE NOSE WHEEL WITH THE PEDALS AND HEAR A CLICKING NOISE AT FULL DISPLACEMENT OF THE PEDALS. AIRCRAFT ALSO PULLS TO THE LEFT WHEN TAXIING STRAIGHT WITH PEDALS IN NEUTRAL POSITION. CORRECTIVE ACTION: ARRIVED ON SITE AND ACCOMPLISHED NOSE WHEEL STEERING WITH TILLER WHEEL AND PEDALS WITH NO TRAVEL LIMITATION NOTED. CYCLED TILLER 4 CYCLES FULL LEFT AND RIGHT WITH NO BINDING AND UNIT CENTERS AS REQUIRED. VERIFIED PEDAL STEERING OPERATION WITH NO BINDING NOTED. APPLIED AUX PUMP AND FROM NOSE TUNNEL, LIGHTLY MOVED INPUT ARM TO NWS UNIT AND NOTED THE PILOT POPPING NOISE FROM INTERNAL TO STEERING UNIT. VERIFIED ALL PULLIES ARE NOT BINDING AND CABLE TENSION APPEARS CORRECTS. NOTED THE NOSE STEERING RIG PIN WAS NOT ALIGNED WITH HYDRAULICS APPLIED AND NOSE WHEELS SLIGHTLY TO LEFT AS FLIGHT CREW INDICATED. FOUND INPUT LEVER ARMS ON BACK OF NWS BULL WHEEL NOT EVEN WITH LARGER GAP ON R/H SIDE CAUSING PULL TO LEFT. THIS WILL BE CORRECTED WITH REPLACEMENT STEERING UNIT. BLED SYSTEM PRIOR TO REMOVAL TO PREVENT FLUID LOSS. GAINED ACCESS AND REMOVED IAW AMM 32-50-50. REMOVED UNIT INSTALLED OVERHAULED NWS UNIT IAW AMM 32-50-50. TIME REQURIED TO ACCOMPLISH RIGGING TO CORRECT PULLING TO LEFT ISSUE. ADJUSTED CABLES TO SPEC WITH RIG PINS INSTALLED IAW CE. 680A AMM CH. 32-50-00. INSTALLED TURNBUCKLE CLIPS AND CLOSED ALL ACCESSS. ACCOMPLISHED TAXI CHECK USING TILLER WHEEL AND PEDALS ON AIRPORT TAXI WAY WITH NO PULL NOTED AT THIS TIME. RETURNED TO FBO AND FOUND TOOL TO VERIFY TRAVELS WAS NOT ON SITE AS INDICATED BY AIRSPACE. ACCOMPLISHED TRAVEL CHECKS ON TILLER WHEEL AND PEDALS WITH TOOL ID: JE3929. VERIFIED TRAVELS CHECK GOOD. ACCOMPLISHED AIRCRAFT POSITIONING TO HANGAR FOR JACKING. REVIEWED JACKING AREA TO VERIFY CONDITIONS ARE SAFE. ACCOMPLISHED JACKING PROCEDURE AS REQUIRED. ACCOMPLISHED GEAR SWINGS TO BLEED CENTERING SYSTEM. OPS CHECK GOOD. DOWNJACKED AIRCRAFT.