Kia Optima: Power Train / Battery
Repair procedures
Battery Voltage and
Status
Check the battery voltage and status by using a battery tester.
Battery Terminal
1. |
Move back and forth to check if the battery terminals (A) are loose or
corroded. Clean any corroded terminals.


If the battery positive connection is loose, disconnect the ground (GND)
cable first before attempting to remove or tighten the positive connection
to prevent personal injury.
|
2. |
If the battery clamp on positive (+) battery terminal is not seated securely:
(1) |
Turn ignition switch OFF and disconnect the negative (-) battery
terminal.
|
(2) |
Tighten battery clamp (A) on positive (+) battery terminal.
Tightening torque :
7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)
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|
|
3. |
If the battery clamp on negative (-) battery terminal is not seated securely:
(1) |
Tighten battery clamp (A) on negative (-) battery terminal.
Tightening torque :
4.0 - 6.0 N·m (0.4 - 0.6 kgf·m, 3.0 - 4.4 lb·ft)
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Battery Voltage and
Status
Check the battery voltage and status by using a battery tester.
Battery Terminal
1. |
Move back and forth to check if the battery terminals (A) are loose or
corroded. Clean any corroded terminals.


If the battery positive connection is loose, disconnect the ground (GND)
cable first before attempting to remove or tighten the positive connection
to prevent personal injury.
|
2. |
If the battery clamp on positive (+) battery terminal is not seated securely:
(1) |
Turn ignition switch OFF and disconnect the negative (-) battery
terminal.
|
(2) |
Tighten battery clamp (A) on positive (+) battery terminal.
Tightening torque :
7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)
|

|
|
3. |
If the battery clamp on negative (-) battery terminal is not seated securely:
(1) |
Tighten battery clamp (A) on negative (-) battery terminal.
Tightening torque :
7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)
|

|
|
Repair procedures
Inspection
1.
Remove the air cleaner element.
2.
Check if the air filter is excessively dirty. If so, replace the air
clean ...
Repair procedures
Inspection
Radiator hoses
1.
Check radiator hoses for the following:
(1)
Improper attachment
(2)
...
Other information:
Electric power steering (EPS)
The power steering uses an electric motor to assist you in steering the vehicle.
If the engine is off or if the power steering system becomes inoperative, the vehicle
may still be steered, but it will require increased steering effort.
The electric power steering ...
Specifications
Specification
Item
Specification
Control type
ON/OFF
Voltage (V)
9 - 16
Control pressure kpa (kgf/cm², psi)
0 - 490.33 (0 - 5.0, 0 - 71.12)
...