Repair Procedures: Replacement

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Turn ignition switch OFF.
Disconnect the negative (-) battery cable.
Disconnect the ECM connector (A) and TCM connector (B).
Remove the TCM & ECM after removing the bolts (C) and nut (D).
TCM installation bolt/nut:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 1: Identifying TCM & ECM Mounting Bolts And Nut
Courtesy of HYUNDAI MOTOR AMERICA
Remove the TCM (B) after removing the bolts (A).

Fig 2: Identifying TCM And Mounting Bolts
Courtesy of HYUNDAI MOTOR AMERICA