Hyundai Accent (HC): Intelligent Variable Transmission (IVT) System (Continuously Variable Transmission) / Intelligent Variable Transmission (IVT)

Contents:

Components and Components Location

- Components

1. Intelligent variable transmission (IVT)
2. Coolant hose (IN)
3. Coolant hose (OUT)
4. Position switch
5. IVT support bracket mounting bolt
6. Cover
7. Roll rod support bracket
8. Roll rod bracket


Description and Operation

- Description IVT, which stands for Intelligent Variable Transmission, is an automatic transmission that continuously varies gear ratios within a given shift range.It uses the engine's high efficiency area to provide more power and better fuel economy. - Operation IVT consists of a chain belt and two cone-shaped pulleys that transmit power. It shift gears by changing the contact radius of the pulleys with hydraulic pressure according to driving conditons.

1. Driven Pulley (Output)
2. Drive Pulley (Input)


Repair procedures ➤

Oil Pan

- Components

1. Oil pan


- Removal

1.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")

2.Remove the IVTF drain plug (A), allow the fluid to drain out and then reinstall the drain plug.

Tightening torque :34.3 - 44.1 N·m (3.5 - 4.5 kgf·m, 25.3 - 32.5 lb-ft)

   

• Do not resuse gasket (A).

3.Remove the oil pan (A) after loosening the mounting bolts.

- Installation

   

• Do not reuse the oil pan gasket.

• When installing the oil pan install after visually matching the case/gasket/oil pan holes of the two standard holes (A).

Hole match: Assembly
possible
Hole inconsistency: Oil leakage when
assembled


1.Install the oil pan (A).

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

2.Loosen the injection plug (A) and supply IVTF.

Recommended rating : SP-CVT1Recommended oil : MICHANG SP-CVT1Oil quantity : 6.5 L (1.71 U.S.gal., 6.86 U.S.qt., 5.71 lmp.qt.)

3.Install the IVTF injection plug.

Tightening torque :34.3 - 44.1 N.m (3.5 - 4.5 kgf.m, 25.3 - 32.5 lb-ft)

4.Perform the IVTF level check procedure.(Refer to Hydraulic System - "Fluid")

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications

- Specifications DescriptionSpecificationsLimit General TypeIn-line, DOHC   Number of cylinders4   Bore75.60 mm (2.9764 in)   Stroke89.0 mm (3.5039 in.)  Total displacement1,598 cc (97.52 cu.in)  Compression ratio11.2 ± 0.2 : 1  Firing order1-3-4-2   Valve timing Intake valveOpensBTDC 42° - ATDC 38°   ClosesABDC 7° - ABDC 87°   Exhaust valveOpensBBDC 43° - ABDC 2°   ClosesATDC 0° - ATDC 45°   Cylinder head Flatness of gasket surfaceLess than 0.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Troubleshooting

- Troubleshooting SymptomPossible CauseRemedy One lamp does not light(all exterior)Bulb burned outReplace bulb Socket, wiring or ground faultyRepair if necessary Head lamps do not lightBulb burned outReplace bulb Ignition fuse (LOW:10A, HIGH:20A) blownCheck for short and replace fuse Head lamp fuse (15A) blownCheck for short and replace fuse Head lamp relay faultyCheck relay Lighting switch faultyCheck switch Wiring or ground faultyRepair if necessary Tail lamps and license plate lamp

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