Kia Optima Hybrid: Engine Mechanical System / Cooling System

Cylinder Block Repair procedures

Disassembly     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before ...

Troubleshooting

Engine Overheat Troubleshooting Inspection RemedyVisual inspectionInspect for shortage of coolant in reservoir tank .Reinspect after replenishing coolant.Inspect for coolant pollution after removing radiator ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting

Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the vehicle speed ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 35R Clutch Control Solenoid Valve (35R/C_VFS) Repair procedures

Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...