Kia Optima DL3: Power Train / Exhaust System

Repair procedures

Inspection
1.

Visually check the pipes, hangers and connections for severe corrosion, leaks or damage.

2.

Check for unusual exhaust sounds or abnormal exhaust fumes.

    Repair procedures Inspection 1. Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning.

    Repair procedures Inspection Visually check the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Hazard Lamp Switch

    Schematic diagrams Connector and Terminal Function Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the crash pad garnish [RH]. (Refer to Body - "Crash Pad Garnish") 3.

    Kia Optima DL3 2019-2026 Service and Repair Manual: Compressor oil

    Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.

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