Kia Optima Hybrid: Steering System / Specifications
| Specifications |
| Item | Specification | |
| Type | Motor Driven Power Steering | |
| Steering gear | Type | Rack & Pinion |
| Rack stroke | 148mm (5.82in) | |
| Steering angle(Max.) | Inner | 40.05° ± 1.5° |
| Outer | 32.95° | |
| Item | Tightening torque (kgf.m) | ||
| Nm | kgf.m | lb-ft | |
| Hub nuts | 88.3 ~ 107.9 | 9.0 ~ 11.0 | 65.1 ~ 79.6 |
| Steering wheel lock nut | 39.2 ~ 49.0 | 4.0 ~ 5.0 | 28.9 ~ 36.2 |
| Steering column mounting bolt and nut | 12.7 ~ 17.7 | 1.3 ~ 1.8 | 9.4 ~ 13.0 |
| Universal joint to pinion of steering gear | 29.4 ~ 34.3 | 3.0 ~ 3.5 | 21.7 ~ 25.7 |
| Tie rod end castle nut | 34.3 ~ 44.1 | 3.5 ~ 4.5 | 25.7 ~ 32.5 |
| Lower arm ball joint bolt and nut | 98.1 ~ 117.7 | 10.0 ~ 12.0 | 72.3 ~ 86.8 |
| Steering gear box mounting bolts | 88.3 ~ 107.9 | 9.0 ~ 11.0 | 65.1 ~ 79.6 |
| Stabilizer link nut | 98.1 ~ 117.7 | 10.0 ~ 12.0 | 72.3 ~ 86.8 |
| Sub frame mounting bolts & nuts | 156.9 ~ 176.5 | 16.0 ~ 18.0 | 115.7 ~ 130.2 |
| Roll rod mounting bolt & nut | 107.9 ~ 127.5 | 11.0 ~13.0 | 79.6 ~ 94.0 |
High Voltage Shut-off Procedures
High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow ...
Special Service Tools
Special Service Tools Tool Name / NumberIIIustrationDescriptionLower arm ball joint remover0K545-A9100Removal of front lower arm from front axle Personal Protective Equipment NameIllustrationDescriptionInsulation ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect AreaReferenceLower pedal or spongy pedal1. Integrated Brake Actuation Unit (Air in)air·bleed2. AHB system (Fluid leaks)replace3. Piston seals in IBAU (Worn or damaged)replaceBrake drag1. Brake pedal free play (Minimum)adjust2. Pad or lining (Cracked or distorted)replace3. ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Crankshaft Position Sensor (CKPS) Repair procedures
Inspection 1. Check the signal waveform of the CMPS and CKPS using the GDS. Specification: Refer to “Wave Form” Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the crankshaft position sensor connector (A). 3. Remove the protector (A). 4. Remove ...