2023 Hyundai Nexo-Fule-Cell Maintenance Schedule Guide

Introduction

SCHEDULED MAINTENANCE SERVICES

Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, you must follow the Maintenance Under Severe Usage Conditions.

• Repeated driving short distance of less than 8 km (5 miles) in normal temperature or less than 16 km (10 miles) in freezing temperature
  Low speed driving for long distances
  Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
  Driving in areas using salt or other corrosive materials or in very cold weather
  Driving in heavy dust condition
  Driving in heavy traffic area
  Driving on uphill, downhill, or mountain road repeatedly
• Towing a trailer or using a camper, or roof rack
  Driving as a patrol car, taxi, other commercial use of vehicle towing
• Driving over 170 km/h (106 miles/h)
• Frequently driving in stop-and-go condition

If your vehicle is operated under the above conditions, you should inspect, replace or refill more frequently than the following Normal Maintenance Schedule. After the periods or distance shown in the chart, continue to follow the prescribed maintenance intervals.

Normal Maintenance Schedule

Maintenance Intervals Maintenance Item

Months

12

24

36

48

60

72

84

96

108

120

132

144

156

168

180

Miles×1,000

6

12

18

24

30

36

42

48

54

60

66

72

78

84

90

Km×1,000

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

Hydrogen system( Check the hydrogen leakage)

Inspect every 6,000 miles (10,000 km) or 24 months

Air cleaner filter

Replace every at 12,000 (20,000 km) miles

Device cooling coolant

At first, replace at 120,000 miles (200,000 km) or 10 years : Thereafter, replace every 30,000 miles (48,000 km) or 24 months

Stack cooling coolant

Replace every at 36,000 miles (60,000 km) or 36 months

Ion filter

Replace every at 36,000 miles (60,000 km) or 36 months

Reduction gear

No check, No service required

Air conditioner refrigerant/ compressor

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Brake lines, hoses and connections

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Brake discs and pads

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Driveshaft and boots

I

I

I

I

I

I

I

Front suspension ball joints

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace

Normal Maintenance Schedule (Cont.)

Maintenance Intervals Maintenance Item

Months

12

24

36

48

60

72

84

96

108

120

132

144

156

168

180

Miles×1,000

6

12

18

24

30

36

42

48

54

60

66

72

78

84

90

Km×1,000

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

Parking brake

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Steering gear rack, linkage and boots

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Tire (pressure & tread wear)

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Battery condition

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Brake fluid

Inspect every 15,000 miles (24,000 km) or 12 months, Replace every 60,000 miles (96,000 km) or 48 months

Climate control air filter

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace

Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary

Maintenance item	Maintenance operation	Maintenance intervals	Driving condition
Hydrogen system (Check the hydrogen leakage)	I	Inspect more frequently depending on the condition	C, D, F, G, J, L
Air cleaner filter	I	Inspect more frequently depending on the condition	C, D, E
Device cooling coolant	R	Replace more frequently depending on the condition	C, D, E, F, J, K, L
Stack cooling coolant	R	Replace more frequently depending on the condition	C, D, F, G, L
Ion filter	R	Replace more frequently depending on the condition	C, D, F, G, L
Reduction gear fluid	R	72,000 miles (120,000 km)	C, F, G, I, J
Air conditioner refrigerant/compressor	I	Inspect more frequently depending on the condition	C, D, F, G, L
Disc brakes and pads, calipers and rotors	I	Inspect more frequently depending on the condition	C, D, E, G, H

Maintenance item	Maintenance operation	Maintenance intervals	Driving condition
Driveshaft and boots	I	Inspect more frequently depending on the condition	C, D, E, F, G, H, I, J
Front suspension ball joints	I	Inspect more frequently depending on the condition	C, D, E, F, G
Parking brake	I	Inspect more frequently depending on the condition	C, D, G, H
Steering gear rack, linkage and boots	I	Inspect more frequently depending on the condition	C, D, E, F, G
Climate control air filter	R	Replace more frequently depending on the condition	C, E

Severe Driving Conditions

• Repeatedly driving short distances of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km) in freezing temperature
  Extensive low speed driving for long distances
  Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
  Driving in areas using salt or other corrosive materials or in very cold weather
• Driving in sandy areas
  Driving in heavy traffic area over 90°F (32°C)
• Driving on uphill, downhill, or mountain road
  Towing a Trailer, or using a camper, or roof rack
  Driving as a patrol car, taxi, other commercial use or vehicle towing
  Driving over 106 mph (170 km/h)
  Frequently driving in stop-and-go conditions

EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

Cooling System
Check cooling system components, such as radiator, coolant reservoir, hoses and connections for leakage and damage. Replace any damaged parts.
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule.
Reduction Gear Fluid
Inspect the reduction gear fluid according to the maintenance schedule.
Brake Hoses and Lines
Visually check for proper installation, chafing, cracks, deterioration and any leakage. Replace any deteriorated or damaged parts immediately.

Brake Fluid
Check brake fluid level in the brake fluid reservoir. The level should be between the MIN and the MAX marks on the side of the reservoir. Use only hydraulic brake fluid con-forming to DOT 3 or DOT 4 specification.

Brake Discs, Pads, Calipers and Rotors
Check the pads for excessive wear, discs for run out and wear, and calipers for fluid leakage.

Suspension Mounting Bolts
Check the suspension connections for looseness or damage. Retighten to the specified torque.

Steering Gear Box, Linkage & Boots/Lower Arm Ball Joint
With the vehicle stopped and the vehicle off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks, or damage. Replace any damaged parts.

Drive Shafts and Boots
Check the drive shafts, boots and clamps for cracks, deterioration, or damage. Replace any damaged parts and, if necessary, repack the grease.

Air Conditioning Refrigerant
Check the air conditioning lines and connections for leakage and damage.

FAQs

Useful Links

View full PDF: 2023 Hyundai Nexo-Fule-Cell |Auto User Guide