Removal and Installation

WARNING: This page is about a different car, the 2014 Hyundai Elantra GT and 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the battery negative terminal (A) first, then the positive terminal (B).
Tightening torque

"-" terminal:

4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)

"+" terminal:

7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

Fig 1: Identifying Battery Positive And Negative Terminal
Courtesy of HYUNDAI MOTOR AMERICA
Remove the battery.
1. Remove the battery insulation pad (A).
2. Remove the battery mounting bracket (B).
  Tightening torque:
  
  8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)
3. Remove the battery (C).
  
  Fig 2: Identifying Battery Mounting Bracket And Insulation Pad
  Courtesy of HYUNDAI MOTOR AMERICA
Remove the air cleaner assembly.
(Refer to "AIR CLEANER ")
Disconnect the ECM connectors (A) and remove the ECM (B).
Tightening torque:

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

Fig 3: Identifying ECM And Connectors
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the battery positive cable (A) and then remove the battery tray (B).
Tightening torque:

8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

Fig 4: Identifying Battery Positive Cable, Battery Tray And Screws
Courtesy of HYUNDAI MOTOR AMERICA