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: Tire
- Tire Wear
• Using tires and wheel other than the recommended sizes could
cause unusual handling characteristics and poor vehicle control,
resulting in a serious accident.
1.Measure the tread depth of the tires.Tread depth [limit] : 1.6 mm (0.0630 in.)
2.If the rema ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Components and Components Location
- Components
[2WD]
1. Rear shock absorber2. Rear lower arm3. Rear stabilizer bar4. Rear sub frame 5. Rear upper arm 6. Rear assist arm 7. Trailing arm
[4WD]
1. Rear shock absorber2. Rear lower arm3. Rear stabilizer bar4. Rear differential carrier5. Rear sub frame6. Rear driveshaft7. ...
