Hyundai Tucson: DCT (Dual Clutch Transmission) System (SBC) - Replacement
Replacement
WARNING
In principle, the Dual Clutch Transmission (DCT) oil is not changed under normal driving conditions.
However, under harsh driving conditions, it must be changed every 80,000 miles.
Harsh driving conditions are as follows:
- Frequent driving on rough road (Bumpy road, gravel road, snow road, unpaved road, etc.)
- Frequent driving on mountain road, ascent/descent.
- Driving for patrol, taxi, commercial car or vehicle towing.
- Frequent driving under high speed (over 170km)
- More than 50% driving in heavy city traffic during hot weather above 32ºC (90ºF)
- driving in areas using salt or other corrosive materials or in very cold weather.
- Towing a trailer or using a camper on roof rack.
- Manual transmission oil should be changed any time.
Manual transmission have been submerged in water.
- Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
- Remove the drain plug (A) and drain all the oil. Then install the drain plug with a new gasket.
Tightening torque : 44.1 - 48.8 N.m (4.5 - 6.0 kgf.m, 32.5 - 43.4 lb-ft)
WARNING
- The existing gasket (A) must be replaced with a new one. (Do not reuse it.)
New gasket part no.: 45323-39000
- Add new oil through the filler plug hole (A) and, fill it just below the plug opening.
Standard oil:
API Service GL-4, SAE 70W
Recommnend oil:
SK : HK D DCTF TGO-IO. H.K.SHELL : SPIRAX S6 GHDE 70W DCTF, S-OIL : 7 DCTF HKM
Oil capacity :
1.6 - 1.7L (0.42 - 0.45 U.S.gal., 1.69 - 1.80 U.S. qt., 1.41 - 1.50 Imp qt)
- Install the filler plug bolt (A) with new gasket.
Tightening torque : 58.9 - 78.5 N.m (6.0 - 8.0 kgf.m. 43.4 - 57.8 lb-ft)
WARNING
The existing gasket (A) must be replaced with a new one. (Do not
reuse it.)
- Install the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
DCT (Dual Clutch Transmission) System (SBC)- Description
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DCT (Dual Clutch Transmission) System (SBC) - Description
Description
The Dual Clutch Transmission (DCT) control system measures required data to
identify the state of the control target and
computes the appropriate compensation value if adjustment is necessary. The
actuator is controlled according to
Transmission Control Module (TCM) Inspection Procedure
Inspection
Inspecting TCM ground circuit: Measure the resistance between the TCM
and chassis ground.
(Check the terminal connected to the chassis ground while using the back of
the harness connector as the base point for TCM.)
Normal
Transmission Control Module (TCM) Inspection Procedure - Installation
Installation
To install, reverse the removal procedure.
WARNING
The existing O-rings (A) must be replaced with a new one. (Do not
reuse it.)
Perform the clutch compensation value setting procedure using the
diagnostic tool after rep
SEE MORE:
Clutch fork and clutch bearing
Components
Clutch housing
Engagement bearing 2 (Even)
Egnagement bearing 1 (Odd)
Engagement bearing sleeve
Clutch engagement fork
Removal
Remove the dual clutch transmission from the vehicle
(Refer to Dual Clutch Transmissio
Troubleshooting
Trouble symptom/ Suspected area/ Remedy
Abnormal noise
Oil level (Low)
Add oil after inspecting the
parts, (oil seal, drain plug, filler
plug)
Oil (Wrong or contaminated)
Replace the oil.
Transaxle and engine mounting
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
