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 Owner's Manual: Multi air mode
When the multi air mode button is
pressed, air flow is directed to the facelevel
and floor-level through the air vents
along the instrument panel for the driver
and passenger. The multi-air mode LED
indicator illuminates. If the multi air
mode button is pressed when the air
volume ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Line Pressure Control Solenoid Valve (LINE_VFS)
- Description
• Line pressure solenoid valve is a Variable Force Solenoid (VFS) type.
• When TCM supplies variable current to solenoid valve, hydraulic pressure is controlled indirectly by solenoid valve.
- Components Location
1. 28 Brake control solenoid valve (28/B_VFS)2. 46 C ...
