Hyundai Tucson: 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.
Description and Operation
- Description
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 the c ...
Crankcase Check Valve
- Removal and Installation
• Be careful not to damage the parts located under the vehicle
(floor under cover, canister, fuel tank) when raising the vehicle using
the lift. ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Smart Cruise Control display
The status of the Smart Cruise Control
operation appears in Driving Assist mode
on the instrument cluster. Refer to the
"View Modes" section in Chapter 4.
When operating
1 Whether there is a vehicle ahead and
the selected distance level appears.
2 Set speed appears.
3 Whether there i ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Steering Wheel Heater
When the ignition switch is in the ON
position or when the engine is running,
press the steering wheel heater button to
warm the steering wheel.
The indicator on the button illuminates.
To turn the steering wheel heater off,
press the button again. The indicator on
the button turns off ...