Hyundai Elantra CN7: Manual Transaxle System

Seventh generation (CN7; 2021–2024) / Hyundai Elantra CN7 2021-2024 Workshop Manual / Manual Transaxle System / Manual Transaxle System

Manual Transaxle Fluid

General information

General Information

Check & Change intervals

Check & Replenishment

Change

Capacity

Oil specification

Normal use

Severe Use

60,000 km / 4 years
(40,000 miles / 4years)

No service required

120,000 km
(80,000 miles)

1.5 - 1.6 L
(0.39 - 0.42 U.S.gal., 1.59 - 1.69 U.S.qt., 1.32 - 1.40 lmp qt.)

- API GL-4, SAE 70W, TGO-9 (MS517-14)
• Recommended oil

–	SK HK MTF 70W

–	SHELL SPIRAX S6 GHME 70W

–	GS CALTEX GS MTF 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

Repair procedures

Inspection

1.	Uplift the vehicle with lift.

2.	Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Loosen the oil filler plug (A).

Check the oil level.

•	For the accuracy, inspect the oil level after the oil is completely drained.

•	Loosen the drain plug (A) and wait for over 10 minutes until the oil is drained enough.

•

Install the drain plug after drain the oil.

Tightening torque:

58.9 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.8 lb-ft)

•	The existing oil drain plug gasket (A) must be replaced with a new one. (Do not reuse it.)

•	After the inspection, inject the oil through the filler plug hole according to the specification.

•	Specified fluid : 1.5 - 1.6 L (0.40 - 0.42 U.S.gal., 1.58 - 1.69 U.S. qt., 1.32 - 1.40 lmp qt.)

•	While draining, some of the oil flows into the transmission part and the oil may be less than the specification by 0.1 - 0.15 L (0.03 - 0.04 U.S.gal., 0.10 - 0.16 U.S. qt., 0.09 - 0.13 lmp qt.) This is normal and additional oil injection is not required.

Injection the fluid and then tightening the filler plug (A) with new gasket.

Tightening torque:

58.9 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.8 lb-ft)

•	The existing oil filler plug gasket (A) must be replaced with a new one. (Do not reuse it.)

6.	Install the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

Replacement

1.	Uplift the vehicle with lift.

2.	Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

Drain the manual transaxle oil after loosening the drain plug (A) and then tighten the drain plug with new gasket.

Tightening torque :

58.9 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.8 lb-ft)

•	The existing oil drain plug gasket (A) must be replaced with a new one. (Do not reuse it.)

4.	Loosen the oil filler plug (A).

Add new fluid through the filler plug hole.

Standard fluid : SAE 70W, API GL-4, TGO-9 (MS517-14)

Recommnend oil:

(SHELL : SPIRAX S6 GHME 70W, SK : HK MTF 70W, GS CALTEX : GS MTF HD 70W)

Specified fluid : 1.5 - 1.6 L (0.40 - 0.42 U.S.gal., 1.58 - 1.69 U.S.qt., 1.32 - 1.40 lmp qt.)

Install the filler plug (A) with new gasket.

Tightening torque :

58.9 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.8 lb-ft)

•	The existing oil filler plug gasket (A) must be replaced with a new one. (Do not reuse it.)

7.	Install the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

Manual Transaxle

Components and components location

Components

1. Control shaft complete
2. Control cable bracket
3. Back-up lamp switch

4. Manual transaxle bracket
5. Concentric slave cylinder

Repair procedures

Removal

1.	Remove the air cleaner assembly and air duct. (Refer to Engine Mechanical System - "Air Cleaner")

2.	Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery")

3.	Loosen the bolt and then separate the engine wiring (A).

4.	Disconnect the back up lamp switch connector (A).

Remove the control cable bracket and control cable at the same time.

1)	Remove the snap pin (A)

2)	Separate the shift cable (B) and select cable (C).

Loosen the mounting bolts and then removing the control cable and control cable bracket (A) at the same time.

Tightening torque :

14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 15.9 lb-ft)

Loosen the bolt and then separate the ground line (A).

Tightening torque:

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

7.	Remove the snap pin (A) and the clutch hose (B).

Remove the starter motor mounting bolts (A) and the transaxle upper mounting bolts (B).

Tightening torque :

(A) 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

(B) 42.2 - 53.9 N.m (4.3 - 5.5 kgf.m, 31.1 - 39.8 lb-ft)

9.	Assemble the engine support fixture use a (Beam SST No.: 09200 - 3N000, Adapter SST No.: 09200-4X000, Engine fixture adapter (rear) SST No.: 09200-L1100, Engine fixture adapter (front) SST No.: 09200-L1200.

10.	Using the engine support fixture(A), hold the engine and transaxle assembly safely.

11.	Remove the dust cover (A).

12.

Loosen the transaxle bracket support mounting bolts (A).

Tightening torque :

107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.1 lb-ft)

13.

Loosen the bolts and then removing the transaxle bracket (A).

Tightening torque :

58.8 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.9 lb-ft)

14.	Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

15.

After loosening the drain plug (A), drain the manual transaxle fluid, then install the drain plug.

Tightening torque :

58.8 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.9 lb-ft)

•	The existing oil drain plug gasket (A) must be replaced with a new one. (Do not reuse it.)

16.	Loosen the bolts and then removing the wiring bracket (A, B).

17.

Loosen the bolts (A, B) and then removing the roll rod assembly (C).

Tightening torque :

(A) : 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb-ft)

(B) : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

18.

Loosen the bolts and then removing the roll rod support bracket (A).

Tightening torque :

49.0 - 68.6 N.m (5.0 - 7.0 kgf.m, 36.2 - 50.6 lb-ft)

19.	Remove the drive shaft assembly. (Refer to Driveshaft and axle (2WD-FF) - "Front Driveshaft")

20.

Remove the lower mounting bolts (A), (B) of lower part of the transaxle, and the left side cover and remove the transaxle assembly by supporting it with a jack.

Tightening torque :

(A) 42.2 - 48.1 N.m (4.3 - 4.9 kgf.m, 31.1 - 35.4 lb-ft)

(B) 42.2 - 53.9 N.m (4.3 - 5.5 kgf.m, 31.1 - 39.8 lb-ft)

•	Be careful not to damage other system or parts near by when removing the engine and transaxle assembly.

Installation

•	If the oil seal on the transaxle case side is damaged and fluid is leaking, replace the oil seal with a new unit.

•

When installing the new oil seal, use the specialized tool.

Oil seal installer both sides : 09453-2F300

1.	To install, reverse the removal procedures.

2.	Injection the manual transaxle fluid. (Refer to Manual Transaxle System - "Manual Transaxle Fluid")

3.	Perform bleeding air procedure in concentric slave cylinder after pouring the brake fluid. (Refer to Clutch System - "Repair Procedures")

Back-up Lamp Switch

Description and operation

Description

Component location : Control shaft complete

Operation principle : Back up lamp switch is pushed by the reverse lug sliding when select arm, and switches the back up lamp.

Function : Turn on the back up lamp when reversing.

Specifications

Specification

Item	Specification
Current voltage	12V
Working voltage	DC 10~15V
Operating force	3.0kg Max
Voltage drop	-0.4V
Working temperature	-30°C ~ 100°C [-30°F ~ 212°F]

Repair procedures

Inspection

1.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

2.	Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery")

3.	Disconnect the back up lamp switch connector (A).

4.	Check the continuity between no. 1 and 2 terminals of backup lamp switch. When the shift lever is in reverse, there should be continuity.

Replacement

1.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

2.	Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery")

3.	Disconnect the back up lamp switch connector (A).

4.	Remove the snap pin (A) and then separate the shift cable (B).

Replace the back up lamp switch (A) with a new one.

Tightening torque :

39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)

Special service tools

Special Service Tools Tools (Number and name) Illustration Use Engine support fixture (Beam)0 ...

Manual Transaxle Control System

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