Kia Optima Hybrid: Steering System / Troubleshooting
| Troubleshooting |
| Symptom | Probable cause | Remedy |
| Play in steering | Loose yoke plug | Retighten |
| Loose steering gear mounting bolts | Retighten | |
| Loose or worn tie rod end | Retighten or replace as necessary | |
| Steering wheel does not return properly | Excessive turning resistance of tie rod end | Replace |
| Yoke plug excessively tight | Adjust | |
| Tie rod and/or ball joint cannot turn smoothly | Replace | |
| Loose mounting of gear box mounting bracket and/or worn steeringshaft joint | Retighten | |
| Worn steering shaft joint and/or body grommet | Correct or replace | |
| Distorted rack | Replace | |
| Damaged pinion bearing | Replace | |
| Twisted or damaged hoses | Reposition or replace |
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: CVVT (Continuously Variable Valve Timing) System Description and Operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Audio Remote Control Repair procedures
Inspection 1. Check the audio remote control switch (A) for resistance between connector terminals in each switch position. [LH-Audio] [LH-Mute] [Audio] SwitchConnector terminalResistance (±5%)Volume down2-76.81 k?Volume up2-74.61 k?Mode2-72.11 k?Seek up2-71.11 k?Seek down2-7430 ? [Bluetooth + Voice] ...