CUSTOMER STATES THERE IS A SQUEAK WHEN ACCELERATING , SOUNDS LIKE IS COMING FROM BEHIND CAB. HAPPENS AT ANY SPEEDS. PLS CHECK AND ADVISE. VERIFY CUSTOMER CONCERN, INSPECTED EXHAUST SYSTEM WITH INSTRUCTIONS FROM BULLETIN PIT5404D - VEHICLE REQUIRES UPATED XHAUST FOR RELOTCAED PEV ECH ORDERD XHAUST AS REQUIRED. WIL CNTACT WHEN APRTS ARRIVE TO REPAIR.. EAR LOUD BANGING

CUSTOMER STATES GRINDING NOISE ON ACCEL VEHICLE WAS HOES IN TRANSFERRED CASE ALL FLUID ONE REPALCED TRANSFER CASE AND GASKET AND ADDED FLUID . *AXLE CONCERN

DIAGNOSE NOISE HEARD WHEN ACCELERAITNG MLTIPLE SERIVCE BULLEITNS AVAIL FOR RATTLE CONCERNS INSPECT EXHAUTS AND HEAT SHIELDS, ADJUST DOWN PIPE AND RETEST, NOISE STILL PRESENT, INSPECT AND ADJUST TRANS- MISSION COOLER LINES , NOISE STILL PRESENT, ADJUST HEATER PIPES AND RETEST, NOISE NO LONGER PRESENT. MISCELLANEOUS

CUSTOMER STATES WEN TAKE OFF FOM A STOP AND TURN IT MAEKS A RUMBLE NOISE AND ACTS LIKE IT ISN'T GRABBING PORPERLY ONE WHEEL SPINS. ALOF OF NOISE FRM REAR AND DOESN'T FEEL LKE IT SHOULD TEST DROVE WITH CUSTOMER AND FOUND REAR DIFF LIMITED SLIP CLUTCHES ARE STICKING AND CAUSING CROW HOP REMOVDE REAR DIFF COVER AND INSPECTD . FOUND CLUTH ASSEMBLY IS WRN AND NEEDS REPLACED . OR COULD TRY FLUSHING OUT DIFF AND SEEING IF CLUTCHES WILL FREE TOP WOULD REC REPLACING DIFF CARRIER DUE TO CLUTCHES BEING WORN . EMOVED REAR DIFF AXLES AND CARRIER SWAPPED OVER RING GEAR AND INSTALLED NEW BRGS TO CARRIER RINSTALLED CARRIER AND REASSEMBLED REAR DIFF FILLED WITH GEAR OIL AND TET DROVE TO VERIFY REPAIRS.. AUTO TRANSMISSION

CEHCK FOR RATTLE NISE ON ACCELERATION ,HEAT SHIELDING TYPE 4050420 .5 EXHAUST STUD FROM FRONT PIPE TO MANIFOLD STRIPPING LOWER FR PIPE TO REPLACED STUD AND NUT. EXHAUST SYST.