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: Valve Clearance Adjustment
Valve Clearance Inspection And Adjustment Inspect and adjust the valve clearance when the engine is cold (Engine coolant temperature : 20°C (68°F)) and cylinder head is installed on the cylinder block. 1. Remove the cylinder head cover. (Refer to Timing system in this group) 2. Set No.1 ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Tire Repair procedures
Tire wear 1. Measure the tread depth of the tires. Tread depth [limit] : 1.6 mm (0.063 in.) 2. If the remaining tread depth (A) is less than the limit, replace the tire. When the tread depth of the tires is less than 1.6 mm(0.063 in.), the wear indicators (B) will appear. ...