Hyundai Sonata: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle

Repair procedures
Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose. 3. Inspect the PCV vlave operation. (1) Run the ...

Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the PCV hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves. ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Teaching Procedures 1. Key Teaching Procedure Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner. The procedure starts with an PCM(ECM) request for vehicle specific data (PIN code: 6digits) from the tester. The "virgin" PCM ...

Hyundai Sonata LF 2014-2019 Service Manual: Power Door Lock Module Repair procedures
Inspection     • Wrap the protective tape on the tool to disassemble with the screwdriver or remover. • Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil. Front Door Lock Module Inspec ...

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