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Hyundai Tucson: Cylinder Block - Replacement

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

Components

Rear oil seal

Replacement

Remove the fly wheel.

(Refer to Cylinder Block - "Fly Wheel")

Remove the rear oil seal (A).

Apply engine oil on the edge of new rear oil seal.
Using SSTs (09231-H1100, 09231-2B200), install the new rear oil seal.
When assembling, the surface of the oil seal shall coincide with the surface of the cylinder block.

WARNING

WARNING

Always use a new rear oil seal.

Install the other parts in the reverse order of removal.

Cylinder Block - Disassembly

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 connector and hoses to avoid misconnection. To releas

Connecting Rod

Inspection Check the side clearance between piston and connecting rod. Using feeler gauge, measure the side clearance while moving the connecting rod back and forth. Side clearance Standard : 0.1 - 0.25 mm (0.0039 - 0.0098 in.) Maximum

Piston

Clean the piston. (1) Using a gasket scraper, remove the carbon from the piston top. (2) Using a groove cleaning tool or broken ring, clean the piston ring grooves. (3) Using solvent and a brush, thoroughly clean the piston. WARNING Do

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Blind-Spot Collision-Avoidance Assist (BCA)

BCA activating conditions (1) User Setting Menu (USM): Select 'Driver Assistance' -> 'Blind-Spot Safety' -- 'Blind-Spot Collision-Avoidance-Assist' (2) Vehicle speed: 60 kmh - 200 km h (3) Curvature radius: 600m or more (4) Both lanes

DCT (Dual Clutch Transmission) System (SBW)- Inspection

Inspection WARNING In principle, the transmission oil is maintenance-free, and no exchange is required. But it must be inspected and replenished every 4 years or 40,000 miles. Uplift the vehicle with lift. Remove the engine room under co