Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Crankcase Emission Control System / Description and Operation

- Description

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.
    Crankcase Emission Control System
    ...

    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: Windshield Wipers
    Operates as follows when the ignition switch is turned ON. MIST: For a single wiping cycle, move the lever up (MIST) and release it. The wipers operate continuously if the lever is held in this position. OFF: Wipers are not in operation. INT: Wipers operate intermittently at the same ...

    Hyundai Tucson (NX4) 2022-2025 Owner's Manual: If You Decide to Pull a Trailer
    Consider using a sway control. You can ask a trailer hitch dealer about sway control. Hyundai recommends that you do not tow with your vehicle for the first 1,200 miles (2,000 km) to allow the engine to properly break in. Do not exceed 65 mph (104 km/h) or the posted towing ...

    © 2023-2025 Copyright www.htucson4.com