Hyundai Santa Fe: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Description
Pressure Regulating Valve (PRV) is installed to prevent the over pressure of combustion gas through the piston ring and onto the crankcase.

Operation Principle
Engine Condition
Stop
Idle or Deceleration
Normal operating condition
Accelerating in the high load area
Intake manifold pressure
0
High
Appropriate
Low
PRV (Diaphragm)
Full open
A little open
Appropriate open
Considerable open
Amount of blow-by gas
0
A little
Middle
A lot
Diaphragm component part


    Schematic diagrams

    Schematic Diagram 1. PCV Valve 2. Breather hose 3. Air intake hose 4. Intake maifold 5. Air breather hose 6...

    Positive Crankcase Ventilation (PCV) Valve. Repair procedures

    Removal 1. Remove the cylinder head cover. (Refer to Engine Mechanical System - "Cylinder Head Cover") Installation 1...

    Other information:

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    Hyundai Santa Fe (TM) 2019-2024 Owner's Manual: Selecting a Child Restraint System (CRS)


    When selecting a Child Restraint System for your child, always: Make sure the Child Restraint System has a label certifying that it meets applicable Federal Motor Vehicle Safety Standards (FMVSS 213). Select a Child Restraint System based on your child’s height and weight...

    Categories

    Air bag - supplemental restraint system

    1. Driver’s front air bag
    2. Passenger’s front air bag
    3. Side air bag
    4. Curtain air bag

    The vehicles are equipped with a Supplemental Air Bag System for the driver’s seat and front passenger’s seats.

    The front air bags are designed to supplement the three-point seat belts. For these air bags to provide protection, the seat belts must be worn at all times when driving.

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