Hyundai Sonata LF: Dual Clutch Transmission Assembly / Transmission Gear Oil General Information

Hyundai Sonata LF 2014-2019 Service Manual / DCT (Dual Clutch Transmission) System / Dual Clutch Transmission Assembly / Transmission Gear Oil General Information

General Information

Check & Change intervals

Check & Replenishment

Change

Capacity

Oil specification

Normal Use

Severe Use

60000 km / 4 years
(40000 miles / 4 years)

No service required

120000 km
(80000 miles)

1.9 L (0.50 U.S gal., 2.00 U.S qt., 1.67 lmp qt.)

API Service GL-4, SAE 70W
• Recommended oil

-	SHELL: SPIRAX S6 GHME 70W DCTF

-	SK: HK DCTF 70W

-	GS CALTEX: GS DCTF HD 70W

Severe usage is defined as

•	Driving in dusty, rough roads

•	Driving in areas using salt or other corrosive materials or in very cold weather

•	Driving in sandy areas

•	Driving in mountainous areas

•	Towing a trailer

•	Driving for patrol car, taxi, commercial car or vehicle towing

•	Driving over 170 Km

•	Driving in veavy traffic area over 90°F (32°C)

•	Repeatedly driving short distance of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km) in freezing temperature

•	Driving in areas using salt or other corrosive materials or in very cold weather

•	Towing a trailer, or using a camper or roof rack

DCT (Dual Clutch Transmission) Repair procedures

Removal 1. Remove the air cleaner assembly and air duct. (Refer to Engine Mechnical System - "Air cleaner") 2. Remove the TCM. (Refe to Dual Clutch Transmission Control System - "TCM") 3...

Transmission Gear Oil Repair procedures

Inspection • 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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Thermostat Troubleshooting

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again. Check the gasket for damage • Check gasket or seal for damage • Replace gaskets and reuse the thermostat...

Hyundai Sonata LF 2014-2019 Service Manual: Crash Pad Side Cover Repair procedures