• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
1.Remove the engine room under cover.(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
2.Remove the drive belt.(Refer to Drive Belt System - "Drive Belt")
3.Remove the drive belt tensioner (A).
Tightening torque :53.9 - 63.7 N.m (5.5 - 6.5 kgf.m, 39.7 - 47.0 lb-ft)

4.Install in the reverse order of removal.
1.Remove the engine room under cover.(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
2.Remove the drive belt tensioner.
3.Remove the alternator.(Refer to Engine Electrical System - "Alternator")
4.Remove the tensioner bracket (A).
Tightening torque :39.2 - 44.1 N.m (4.0 - 4.5 kgf.m, 28.9 - 32.5 Ib.ft)

5.Install in the reverse order of removal.
1.Check the belt tensioner for excessive dust, crack, and damage. Replace if necessary
2.Check for vibration during rotation, foreign matter adhered to v-groove on pulley, eccentric contact of v-groove and replace parts if necessary.
Drive Belt
Crankshaft Damper PulleyHyundai Tucson (NX4) 2022-2026 Service Manual: Schematic Diagrams
- Schematic Diagram
• The ISG system is strongly networked with the power management.
• In the event of battery replacement, disconnection of the battery
terminal or after changing the engine management system, the reference
data regarding the battery charge stat ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Evaporative Emission Control System
Description and Operation
- Description
Evaporative Emission Control System prevents fuel vapor stored in fuel
tank from vaporizing into the atmosphere. When the fuel evaporates in
the fuel tank, the vapor passes through vent hoses or tubes to the
canister filled with charcoal and the cani ...