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Hyundai Tucson: Timing System - Removal

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

  1. Disconnect the battery negative terminal.
  2. Turn the crankshaft damper pulley clockwise, and align its groove with the timing mark of the timing chain cover.

  1. Remove the timing chain cover.

(Refer to Timing System - "Timing Chain Cover")

  1. Remove the cam to cam guide (A).

  1. Remove the timing chain tensioner (A).

WARNING

WARNING

  • Before the removal of timing chain tensioner, compress tensioner piston then remove the tensioner after fixing with fixing pin (A).
  1. Remove the timing chain tensioner arm (A).

  1. Remove the timing chain (A).

  1. Remove the timing chain guide (A).

  1. Remove the oil pump chain.

(Refer to Lubrication System - "Oil Pump")

  1. Remove the crankshaft sprocket (A).

Inspection

Inspection

Sprockets, Hydraulic Tensioner, Chain Guide, Chain Tensioner Arm

  1. Check the camshaft sprocket, crankshaft sprocket teeth for abnormal wear, cracks or damage. Replace if necessary.
  2. Check a contact surface of the chain tensioner arm and guide for abnormal wear, cracks or damage. Replace if necessary.
  3. Check the hydraulic tensioner for its piston stroke and ratchet operation. Replace if necessary.

    READ NEXT:

     Timing System - Installation

    Install the crankshaft sprocket (A). Place the crankshaft key at the left 180º. Install the oil pump chain. (Refer to Lubrication System - "Oil Pump") Install the timing chain (A). WARNING When in

     Engine Electrical System

     48V Battery System

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     Exterior Bumper Antenna

    Disconnect the negative (-) battery terminal. Lift the vehicle. Disconnect the antenna connector (A) from the rear bumper. Remove the antenna (B) after loosening mounting nuts. Buzzer Disconnect the negative (-) battery terminal.

     Camshaft - Inspection

    Measure the height of the cam. Check the surface of the cam lob for wear and tear. If necessary, replace the camshaft. Cam height Intake : 37.33 mm (1.4697 in.) Exhaust : 37.44 mm (1.474 in.) Inspect the camshaft journal clearance.

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