TIAGO

STEERING

TABLE OF CONTENTS

7.1. GENERAL INFORMATION..................................................................................................................... 1

7.1.1. SPECIFICATIONS .............................................................................................................................. 1

7.1.2. SYSTEM LAYOUT.............................................................................................................................. 1

7.1.3. GENERAL DISCRIPTION................................................................................................................... 2

7.1.4. TIGHTENING TORQUES ................................................................................................................... 3

7.1.5. SPECIAL TOOLS................................................................................................................................ 5

7.2. MAINTENANCE, INSPECTION AND TEST ........................................................................................... 6

7.2.1. PRELIMINARY INSPECTION ............................................................................................................ 6

7.2.2. REGULAR MAINTENANCE ............................................................................................................... 7

7.2.3. ON VEHICLE REPAIRS ..................................................................................................................... 8

7.2.3.1. STEERING WHEEL REMOVAL ................................................................................................ 8

7.2.3.2. STEERING COLUMN REMOVAL ............................................................................................. 9

7.2.3.3. INTERMEDIATE SHAFT REMOVAL ...................................................................................... 11

7.2.3.4. ECU REMOVAL....................................................................................................................... 11

7.2.3.5. RACK & PINION ASSEMBLY REMOVAL............................................................................... 13

7.3. OVERHAULING .................................................................................................................................... 15

7.3.1. OVERHAULING OF STEERING RACK & PINION ASSEMBLY...................................................... 15

7.3.2. PRECAUTIONS ................................................................................................................................ 15

7.3.3. DISMANTLING, INSPECTION & ASSEMBLY ................................................................................. 16

7.3.3.1. DISASSEMBLY OF RACK & PINOIN ..................................................................................... 16

7.3.3.2. INSPECTION OF DISMANTLED PARTS ............................................................................... 17

7.3.3.3. ASSEMBLY OF RACK & PINOIN ........................................................................................... 17

7.3.3.4. OBJ ON VEHICLE REMOVAL ................................................................................................ 18

7.3.3.5. DO'S & DON’T'S...................................................................................................................... 18

7.3.3.6. WHEEL ALIGNMENT .............................................................................................................. 19

7.4. TROUBLESHOOTING AND DIAGNOSIS ............................................................................................ 21

7.5. STEERING ANGLE CALIBRATION AND INITIALIZATION PROCESS ............................................. 25

7.6. EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD ......................... 28