Hyundai Santa Cruz: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve
| 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 |
| |||
1.Remove the cylinder head cover.(Refer to Engine Mechanical System - "Cylinder Head Cover")
1.Install in the reverse order of removal.
Schematic Diagrams
- Schematic Diagram
A : Crankcase pressure regulating valve (PRV)B : Breather hoseC : Intake hoseD : Air flowE : Intake manifoldF : Cylinder block
① Blow-by gas flow② Blow-by gas inflow to ...
Crankcase Check Valve
- Removal and Installation
1.Disconnect the battery (-) terminal.
2.Remove the engine room under cover.(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
3.Remove the drive be ...
Other information:
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Coolant
- Replacement and Air Bleeding
• Never remove the reservoir tank cap when the engine is hot.
Otherwise, serious scalding could be caused by hot fluid under high
pressure escaping from the radiator. Open the reservoir tank cap after
engine cools down sufficiently.
& ...
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Dual Clutch Assembly
- Removal
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
1.Remove the dual clutch transmission. ...
