Kia Optima: Tightening Torques - Specifications - General Information - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: Tightening Torques

Engine Control System

Item
kgf.m
N.m
lb-ft
ECM installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
ECM bracket installation bolt/nut
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Manifold absolute pressure sensor #1 installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Manifold absolute pressure sensor #2 installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Crankshaft position sensor installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Crankshaft position sensor cover installation bolt (M6)
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Crankshaft position sensor cover installation bolt (M8)
1.9 ~ 2.4
18.6 ~ 23.5
13.7 ~ 17.4
Camshaft position sensor (Bank 1 / Intake) installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Camshaft position sensor (Bank 1 / Exhaust) installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Knock sensor installation bolt
1.9 ~ 2.4
18.6 ~ 23.5
13.7 ~ 17.4
Heated oxygen sensor (Bank 1 / sensor 1) installation
4.0 ~ 5.0
39.2 ~ 49.1
28.9 ~ 36.2
Heated oxygen sensor (Bank 1 / sensor 2) installation
3.6 ~ 4.6
35 ~ 45
25.8 ~ 33.2
Rail pressure sensor installation
1.8 ~ 2.2
18.0 ~ 22.0
13.3 ~ 16.2
Electronic throttle body installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Purge control solenoid valve bracket installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
CVVT oil control valve (Bank 1 / Intake) installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
CVVT oil control valve (Bank 1 / Exhaust) installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
Ignition coil installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7
RCV control solenoid valve bracket installation bolt
0.8 ~ 1.2
7.8 ~ 11.8
5.8 ~ 8.7
CVVT oil temperature sensor installation
2.0 ~ 4.0
19.6 ~ 39.2
14.5 ~ 28.9

Fuel Delivery System

Item
kgf.m
N.m
lb-ft
Fuel tank installation nut
4.0 ~ 5.5
39.2 ~ 54.0
28.9 ~ 39.8
Fuel pump plate cover installation bolt
0.2 ~ 0.3
2.0 ~ 2.9
1.4 ~ 2.2
Filler-neck assembly bracket installation bolt
0.4 ~ 0.6
3.9 ~ 5.9
2.9 ~ 4.3
Filler-neck assembly installation screw
0.8 ~ 1.2
7.8 ~ 11.8
5.8 ~ 8.7
Accelerator pedal module installation nut
1.0 ~ 1.5
9.8 ~ 14.7
7.2 ~ 10.8
Accelerator pedal module installation bolt
0.9 ~ 1.4
8.8 ~ 13.7
6.5 ~ 10.1
Delivery pipe installation bolt
1.9 ~ 2.4
18.6 ~ 23.5
13.7 ~ 17.4
High pressure fuel pump installation bolt
1.3 ~ 1.5
12.8 ~ 14.7
9.4 ~ 10.9
High pressure fuel pipe installation nut
2.7 ~ 3.3
26.5 ~ 32.4
19.5 ~ 23.9
High pressure fuel pipe function block installation bolt
1.0 ~ 1.2
9.8 ~ 11.8
7.2 ~ 8.7


Service Standard
Item Specification Ignition Timing (°) BTDC 6 ± 10 Idle Speed (rpm) A/C OFF Neutral, N, P-range ...

Special Service Tools
Special Service Tools Item Illustration Application Fuel Pressure Gauge (09353-24100) Measuring the fuel line pressure ...

See also:

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Troubleshooting
Troubleshooting Symptom Possible cause Remedy Tachometer does not operate Cluster fuse (10A) blown Check for short and replac ...

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