Hyundai Tucson: Crankcase Emission Control System / Description and Operation
A : Crankcase pressure regulating valve (PRV)
B : Breather hose
C : Intake hose
D : Air flow
E : Intake manifold
F : Cylinder block
① Blow-by gas flow② Blow-by gas inflow to the cylinder head cover throungh the cylinder block & head & chain cover③-1 In the partial load area, blow-by gas inflow to the intake manifold through the PRV valve which in the head cover.③-2 In the full load area, blow-by gas inflow to the intake hose through the PRV valve which in the head cover.④ Mix of intake hose and blow-by gas. Blow-by gas is circulated by the ③-1, ③-2 procedure.⑤ Combustion the air-flow mixture.⑤-1 Air flow to cylinder block.
Positive Crankcase Ventilation (PCV) Valve
- Description
Pressure Regulating Valve (PRV) is installed to prevent the over
pressure of combustion gas through the piston ring and onto the
crankcase.
- Operating Principle
Engine cond ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Important Safety Precautions
You will find many safety precautions
and recommendations throughout this
section, and throughout this manual.
The safety precautions in this section are
among the most important.
Always Wear Your Seat Belt
A seat belt is your best protection in all
types of accidents. Airbags are design ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Smart key precautions. Replacing the battery
Smart key precautions
The smart key may not work if any of the
following occur:
The smart key is close to a radio
transmitter such as radio station or
airport that may interfere with normal
operation of the transmitter.
The smart key is near a mobile two
way radio system or a mo ...
