Hyundai Elantra (CN7): DCT(Dual Clutch Transmission) System / Specifications

Hyundai Elantra (CN7) 2021-2026 Service Manual / DCT(Dual Clutch Transmission) System / Specifications

Specifications
Dual clutch transmission
Item
Specification
Transmission model
D7UF1-2 (7DCT)
Engine model
Gamma II 1.6 T-GDI (Gasoline)
Clutch Type
Dry dual plate
Gear ratio
1st
3.929
2nd
2.318
3rd
1.957
4th
1.023
5th
0.778
6th
0.837
7th
0.681
Reverse
5.304
Final gear ratio
1st, 2nd, 4th, 5th
4.857
3rd, 6th, 7th, R
3.579

Clutch actuator
Item
Specification
Rated voltage
12V
Initialize the rod length
79.0 - 80.0 mm (3.1102 - 3.1496 in.)
Wear adjustment amount
0.25 mm (0.0098 in.) @ 1 Click

Gear actuator
Item
Specification
Power supply
12V
Output type
CAN signals

Inhibitor Switch
Item
Specification
Power supply
12V
Output type
Combination of output signals

Input speed sensor
Item
Specification
Type
Hall effect sensor
Output signal
High: 11.8 - 16.8 mA
Low: 5.9 - 8.4 mA

Tightening Torques
Item
N.m
kgf.m
lb-ft
Clutch engagement bearing
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
TCM mounting bolt
7.8 - 9.8
0.8 - 1.0
5.8 - 7.2
Clutch actuator & TCM assembly mounting bolt
19.6 - 26.5
2.0 - 2.7
14.5 - 19.5
Fork cover mounting bolt
3.9 - 5.9
0.4 - 0.6
2.9 - 4.3
Gear actuator mounting bolt
19.6 - 26.5
2.0 - 2.7
14.5 - 19.5
Input shaft speed sensor mounting bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Inhibitor swtich mounting bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Manual lever mounting nut
17.4 - 24.5
1.8 - 2.5
13.0 - 18.1
Oil drain plug
44.1 - 58.8
4.5 - 6.0
32.5 - 43.4
Oil filler plug
58.8 - 78.5
6.0 - 8.0
43.4 - 57.9
Shift cable bracket mounting bolt
19.6 - 26.5
2.0 - 2.7
14.5 - 19.5
Shift cable mounting nut
9.8 - 13.7
1.0 - 1.4
7.2 - 10.1
Shift cable retainer mounting nut
11.8 - 14.7
1.2 - 1.5
8.7 - 10.8
Shift lever assembly mounting bolt
8.8 - 13.7
0.9 - 1.4
6.5 - 10.1
Stater motor mounting bolt
49.0 - 63.7
5.0 - 6.5
36.2 - 47.0
Transmission support bracket mounting bolt
88.3 - 107.9
9.0 - 11.0
65.1 - 79.6
Transmission bracket mounting bolt
58.9 - 78.5
6.0 - 8.0
43.4 - 57.8
Transmission upper mounting bolt  (Transmission=>Engine)
42.2 - 53.9
4.3 - 5.5
31.1 - 39.8
Transmission lower mounting bolt  (Engine=>Transmission)
42.2 - 48.1
4.3 - 4.9
31.1 - 35.4
42.2 - 53.9
4.3 - 5.5
31.1 - 39.8

Lubricants
Item
Capacity
Recommended
Transmission oil
1.6 - 1.7 â„“ (0.42 - 0.45 U.S.gal., 1.69 - 1.80 U.S. qt., 1.41 - 1.50 lmp qt)
SAE 70W, API GL-4
Recommended transmission oil : H.K.SHELL: SPIRAX S6 GHDE 70W DCTF PLUS,
SK: HK D DCTF TGO-10 PLUS
Input shaft 1/2 spline
0.15 - 0.25 g
Extreme pressure grease for vehicle
Clutch engagement fork
0.1 - 0.2 g
Extreme pressure grease for vehicle

    Special Service Tools Tool (Number and Name) Illustration Use 09200-3N000Engine support fixture(Beam)Removal and installation of the transmission.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Ambient Temperature Sensor

    Description and operation DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: General safety information and caution

    General Safety Information and Caution1.Be careful when driving the vehicle using the smart cruise control system as follows.(1)On curves or inclines/declines• The smart cruise control system may have limits to detect distance to the vehicle ahead due to road and traffic conditions.

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