TATA PUNCH SERVICE MANUAL

STEERING - MANDO CONTENTS 1. GENERAL INFORMATION ..................................................................................................... 1 2. SYSTEM LAYOUT .................................................................................................................. 2 3. TIGHTENING TORQUES ........................................................................................................ 3 4. SPECIAL TOOLS ................................................................................................................... 6 5. MAINTAINANCE, INSPECTION AND TEST........................................................................... 7 6. ON VEHICLE REPAIRS ........................................................................................................ 10 A.STEERING WHEEL REMOVAL ........................................................................................................... 10 B. STEERING COLUMN REMOVAL ....................................................................................................... 11 C. INTERMEDIATE SHAFT REMOVAL .................................................................................................. 14 D. ECU REMOVAL................................................................................................................................... 15 E. MOTOR REMOVAL ............................................................................................................................. 16 F. RACK & PINION ASSEMBLY REMOVAL ........................................................................................... 17 G. OBJ REMOVAL ................................................................................................................................... 19 7. EXPLODED VIEWS OF STEERING RACK & PINION ASSEMBLY ..................................... 22 8. OVERHAULING OF STEERING RACK & PINION ASSEMBLY........................................... 23 A. PRECAUTIONS ................................................................................................................................... 23 B.DISASSEMBLY OF RACK & PINION .................................................................................................. 23 C. INSPECTION OF DISMANTLED PARTS ........................................................................................... 24 D. ASSEMBLY OF RACK & PINION ....................................................................................................... 24 E. PROCEDURE FOR ADJUSTING FREE PLAY/NOISE....................................................................... 25 9. WHEEL ALIGNMENT............................................................................................................ 26 10. CAMBER ADJUSTMENT...................................................................................................... 27 11. TOE OUT ADJUSTMENT........................................................................................................................ 27 12. TROUBLESHOOTING AND DIAGNOSIS ............................................................................. 28 14. STEERING ANGLE CALIBRATION...................................................................................... 33 15. TUNING DATA SELECTION................................................................................................. 40 16. ELECTRIC POWER ASSISTED STEERING (EPAS) ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD ................................................................... 41

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