Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2019 Kia Optima EXFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Removal
WARNING: This page is about a different variant/trim than selected.
- Remove the air duct and air cleaner.
(Refer to Engine Mechanical System - "AIR CLEANER ")
- Remove the reservoir mounting bolts (A).
Reservoir mounting bolt:
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb.ft)
- Disconnect the ECM connector (A).
- Remove the ECM bracket assembly after loosening the mounting nuts (A) and bolts (B).
ECM bracket assembly mounting nut/bolt:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.