Hyundai Tucson: Crankcase Emission Control System / Crankcase Check Valve
• Be careful not to damage the parts located under the vehicle (floor under cover, canister, fuel tank) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
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 belt.(Refer to Drive Belt System - "Drive Belt")
4.Remove the compressor mounting bolts.(Refer to Heating, Ventilation and Air Conditioning - "Compressor")
5.Disconnect the crankcase check valve hose (A) and then remove the crankcase check valve (B).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
• Push the check valve to the end of the mounting surface, and then tighten the bolt.
Positive Crankcase Ventilation (PCV) Valve
- Description
Pressure Regulating Valve (PRV) is installed to prevent the over
pressure of combustion gas through the piston ring and onto the
crankcase.
- Operating Principle
Engine cond ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Brake Booster
- Components
1. Reservoir cap2. Reservoir3. Brake booster4. Master cylinder5. Push rod
- Brake Booster Operating Test
1.Run the engine for one or two minutes, and then stop it. If the
pedal depresses fully the first time but gradually becomes higher when
depressed succeeding times, ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Front Seats
WARNING
To prevent serious injury or death:
Never attempt to adjust the seat while
the vehicle is moving. The seat could
respond with unexpected movement
and may cause loss of vehicle control
resulting in a collision.
Do not place anything under the
front seats. Loose objects, ...
