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: LED headlight warning light
This warning light illuminates:
When the ignition switch is in the ON
position. The LED headlight warning
light illuminates for about 3 seconds
and then goes off.
Whenever there is a malfunction with
a LED headlight.
If the LED headlight warning light
remains illuminated whi ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Hood Insulator Pad
- Replacement
• Be careful not to scratch the hood panel.
1.Using a clip remover, remove the clips and then the hood insulator pad (A).
2.To install, reverse removal procedure.
• Replace any damaged clips (or pin-type retainers).
...
