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: Do not install a Child Restraint
System on the Front Passenger’s
Seat
Even though your vehicle is equipped
with the OCS, never install a Child
Restraint System in the front passenger’s
seat. An inflating airbag may forcefully
strike a child or child restraint resulting in
serious or fatal injury.
WARNING
Never use a rearward facing Child
Restraint on ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Description and Operation
- Description
The charging system includes a battery, an alternator with a built-in
regulator, and the charging indicator light and wire.The Alternator has
eight built-in diodes, each rectifying AC current to DC
current.Therefore, DC current appears at alternator "B" terminal.In
addition, ...
