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: Inspection
- Inspection
Liftgate normal operation transmit / receive process
• FOB key Switch : FOB key Switch → BMC / SMK → CAN communication → PTG Module
• Driver Switch : Driver Switch → Wiring → PTG Module
• Outer Switch : Outer Switch → Wiring → SJB → CA ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Locking/Unlocking the doors
A : Door handle authentication pad,
B : NFC Antenna
To unlock:
Place your digital key (smartphone
key) NFC antenna near the door handle
authentication pad of the driver or
passenger side door for about 2 seconds.
If you unlock your vehicle from the
passenger side door handle, all the ...
