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Hyundai Tucson: Timing System - Replacement

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Timing System / Timing System - Replacement

Components

  1. Variable force solenoid valves
  2. Timing chain cover
  3. Cam to cam guide
  4. Timing chain
  5. Timing chain tensioner arm
  6. Timing chain tensioner arm
  7. Timing chain tensioner
  8. Crankshaft sprocket
  9. Oil pump chain
  10. Oil pump chain tensioner

Replacement

  1. Remove the crankshaft damper pulley.

(Refer to Drive Belt System - "Crankshaft Damper Pulley")

  1. Remove the front oil seal (A).

  1. Apply engine oil to a new oil seal lip & outer surface.

WARNING

Remove any debris from the lip portion of the oil seal.

  1. Using the SST (0K231-2C200), install a new front oil seal.

WARNING

WARNING

  • Always use a new front oil seal.
  1. Install in the reverse order of removal.

Timing System - Removal

WARNING

  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.

WARNING

Mark all wiring and hoses to avoid misconnection.

  1. Disconnect the battery negative terminal.
  2. Remove the engine room under cover, and then drain the engine coolant.

(Refer to Cooling System - "Coolant")

  1. Drain the engine oil.

(Refer to Lubrication System - "Engine Oil")

  1. Remove the drive belt, and then remove the drive belt tensioner.

(Refer to Drive Belt System - "Drive Belt Tensioner")

  1. Remove the hybrid starter generator (HSG).

(Refer to Engine Electrical System - "Mild Hybrid Starter Generator (MHSG)")

  1. Remove the crankshaft damper pulley.

(Refer to Drive Belt System - "Crankshaft Damper Pulley")

  1. Remove the oil pan.

(Refer to Lubrication System - "Oil Pan")

  1. Remove the cylinder head cover.

(Refer to Cylinder Head Assembly - "Cylinder Head Cover")

  1. Insert the rubber block between jack and lower crankcase.

WARNING

Insert the rubber block between jack and lower crankcase to prevent damage to parts

  1. Remove the engine mounting support bracket.

(Refer to Engine And Transaxle Assembly - "Engine Mounting")

  1. Remove the water pump.

(Refer to Cooling System - "Water Pump")

  1. Disconnect the engine ground cable (A) from the timing chain cover.

Tightening torque : 6.8 - 9.8 N.m (0.7 - 1.0 kgf.m, 5.1 - 7.2 lb-ft)

  1. Loosen the turbo charger coolant hose and pipe mounting bolts (A).

Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

  1. Remove the intake and exhaust variable force solenoid (VFS) valves (A).

Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

WARNING

WARNING

The variable force solenoid (VFS) must be removed before removing the timing chain cover.

  1. Remove the timing chain cover (A) and hanger (B).

Timing System - Installation

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