Maintenance

Explanation of Scheduled Maintenance Items

~3min read

Engine Oil and Filter

Engine oil and oil filter should be replaced at the intervals specified in the Maintenance Schedule. If the vehicle is operated under severe conditions, more frequent oil and filter changes are required.

Fuel filter

A clogged fuel filter may limit vehicle speed, damage the emission system, and cause hard starting. If a significant amount of foreign matter has accumulated in the fuel tank, the fuel filter must be replaced. After installing a new fuel filter, let the engine run for several minutes and check the connections for any leaks. Fuel filters must be installed by an authorized HYUNDAI dealer.

Fuel Lines, Fuel Hoses, and Connections

Inspect fuel lines, fuel hoses, and connections for leaks and damage. Have an authorized HYUNDAI dealer immediately replace any damaged or leaking parts.

Vapor Hose and Fuel Tank Cap

The evaporation hose and fuel tank cap should be inspected at the intervals specified in the Maintenance Schedule. Make sure that a new evaporation hose or fuel tank cap is correctly installed when replaced.

HSG (Hybrid Starter Generator) Belt

The HSG belt should be replaced at the intervals specified in the Maintenance Schedule.

Air Cleaner Filter

When replacing the filter, it is recommended to use a genuine HYUNDAI air cleaner filter.

Spark Plugs

Be sure to install new spark plugs of the correct heat range.

Cooling System

Inspect cooling system components, such as the radiator, coolant reservoir, hoses, and connections, for leaks and damage. Replace any damaged parts.

Engine Coolant / Inverter Coolant

The engine coolant should be replaced at the intervals specified in the Maintenance Schedule.

Dual Clutch Transmission Fluid

Dual clutch transmission fluid should be inspected at the intervals specified in the Maintenance Schedule.

Engine Clutch Actuator Fluid

The engine clutch actuator fluid level should be inspected or replaced at the intervals specified in the Maintenance Schedule.

Brake Hoses and Lines

Visually inspect for correct installation, wear, cracks, deterioration, and any other damage or leaks. Replace any worn or damaged parts immediately.

Brake fluid

Check the brake fluid level in the brake fluid reservoir. The level should be between the MIN and MAX marks on the side of the reservoir. Use only brake fluid meeting DOT 3 or DOT 4 specification.

Parking Brake

Inspect the parking brake system, including the parking brake pedal and cables.

Brake Discs, Pads, Calipers and Rotors

Check the pads for excessive wear, the discs for runout and wear, and the calipers for fluid leakage.

Exhaust Pipe and Muffler

Visually inspect the exhaust pipes, muffler and hangers for cracks, wear, or damage. Start the engine and listen carefully for any exhaust leaks. Tighten connections or replace parts as necessary.

Suspension Mounting Bolts

Check the suspension connections for looseness or damage. Tighten to the specified torque.

Steering Gear Box, Linkage and Boots / Lower Arm Ball Joint

With the vehicle stopped and the engine off, check for excessive play in the steering wheel. Check the connection for bends or damage. Check the dust covers and ball joints for wear, cracks, or damage. Replace any damaged parts.

Drive Shafts and Boots

Check the drive shafts, boots and clamps for cracks, wear, or damage. Replace any damaged parts and refill grease as necessary.

Air Conditioning Refrigerant

Check the air conditioning lines and connections for leaks and damage.

Test yourself

A quick Hyundai Ioniq quiz: every answer comes with an explanation and a link to the manual page.