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

Hyundai Elantra (CN7) 2021-2025 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
Final gear ratio	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
Output signal	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
Transmission lower mounting bolt (Engine=>Transmission)	42.2 - 53.9	4.3 - 5.5	31.1 - 39.8

Lubricants

Item	Capacity	Recommended
Transmission oil	1.6 - 1.7 ℓ (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

DCT(Dual Clutch Transmission) System

Special service tools

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) 2021-2025 Service Manual: Components and components location

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Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Unlocking your vehicle (When the Two Press Unlock feature is off)

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Steering wheel audio control

The steering wheel audio control switches are installed for your convenience.

NOTICE

Do not operate audio remote control buttons simultaneously.

VOLUME (VOL + / VOL -) (1)

Move the VOLUME toggle switch up to increase volume. Move the VOLUME toggle switch down to decrease volume.