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: IMS Power Seat Control Repair procedures
Inspection 1. Disconnect the IMS control switch connector. 2. With the power IMS control switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the IMS control switch. Removal 1. Disconnect the negative (-) battery terminal. 2. ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Compressor Oil Repair procedures
Oil Specification 1. The HFC-134a system requires synthetic (POE) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (POE) oil varies according to compressor model. Be sure to use oil specified for the model of compressor. • Since ...