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 Service Manual: Seat Heater (Non-Air Ventilation)
- Components
1. Seat heater unit2. Seat cushion heater 3. Seat back heater
1. Second line seat heater unit2. Second line seat cushion heater3. Second line seat back heater
- Components
Driver/Passenger Seat Heater
Second Line Seat Heater
- Inspection
Driver/Passe ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Quarter Garnish
- Replacement
• When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
• Put on gloves to prevent hand injuries.
1.Using a screwdriver or remover, remove the quarter garnish (A).
2.To install, r ...
