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: CVVT & Camshaft Repair procedures

Removal 1. Remove the cylinder head cover. 2. Set No.1 cylinder to TDC/compression. a. Turn the crankshaft pulley and align its groove with the timing mark "T" of the lower timing chain cover. b. Check that the mark(A) of the CVVT sprockets are in straight line on the cylinder head surface as shown in ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Auto Light Sensor Repair procedures

Inspection In the state of IGN1 ON, when multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled according to auto light sensor''s input. The auto light control doesn''t work if the pin sunlight supply (5V regulated power from Ignition ...