Front Driveshaft
Components and components location
1. Driveshaft (LH)
2. Dynamic damper
| 3. Driveshaft (RH)
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Repair procedures
| 1. | Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. |
| 2. | Remove the front wheel and tire (A) from the front hub. Tightening torque : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft) |
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| Be careful not to damage the hub bolts when removing the front wheel and tire (A). |
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| 3. | Remove the front brake caliper. (Refer to Brake System - "Front Disc Brake") |
| 4. | By hammering on a chisel, unlock the driveshaft lock hub nut caulking. 
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| If there is screw thread (A) on the end of the nut, unlock the caulking by using a chisel and then loosen the nut to prevent damaging driveshaft screw thread. 
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| 5. | Loosen the driveshaft caulking nut (A) from the front hub. Tightening torque: 274.6 - 294.2 N.m (28.0 - 30.0 kgf.m, 202.5 - 217.0 lb-ft) |
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| The driveshaft lock nut must be replaced with new one. 
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| When replacing the drive lock hub nut, use only the nut with screw thread (A) on the end.
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| Tighten the driveshaft lock hub nut to the specified tightening torque, and caulk by using a chisel and hammer. |
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| If there are two key seats, perform on all two seats. Caulking depth (A) : 1.5 mm (0.0591 in) |
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| 6. | Remove the stabilizer link from the front strut after loosening the mounting nut. | •
| When removing the stabilizer link bar, fix the outer hexagon and loosen the mounting nut. |
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| Be careful not to damage the link rubber boots. |
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Tightening torque : 98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft) |
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| 7. | Separate the lower arm ball joint by using the SST (09568-1S100) after loosening the lower arm mounting nut (A). Tightening torque : 68.6 - 80.4 N.m (7.0 - 8.2 kgf.m, 50.6 - 59.3 lb-ft) |
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| 8. | Separate the front knuckle (A) from the front drive shaft (B) by using the plastic hammer. | •
| When removing the drive shaft, use a plastic hammer in order to avoid shock applied to the front knuckle. |
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| When removing the drive shaft, do not forcibly pull or excessively bend the front knuckle to separate. |
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| 9. | Remove the front drive shaft (B) by using the pry bar (A). | •
| Use a pry bar being careful not to damage the transaxle and joint. |
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| Do not insert the pry bar too deep, as this may cause damage to the oil seal. |
| •
| Do not pull the driveshaft by excessive force it may cause components inside the joint kit to dislodge resulting in a torn boot or a damaged bearing. |
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| Plug the hole of the transaxle case with the oil seal cap to prevent contamination. |
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| Support the driveshaft properly. |
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| Replace the retainer ring whenever the driveshaft is removed from the transaxle |
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[LH] 
[RH] 
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| 1. | To install, reverse the removal procedures. |
| 2. | Check the alignment. (Refer to Suspension System - "Alingment") |
Dynamic Damper
Repair procedures
| 1. | Remove the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
| 2. | Remove the trans axle side joint. (Refer to Driveshaft Assembly - "Transaxl Joint") |
| 3. | Remove the dynamic damper band (A, B) using driver (-). 
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| When removing the dynamic damper, lubricate the shaft with soapy water to prevent shaft damage. |
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| 4. | Remove the dynamic damper (A). 
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| 1. | Install the dynamic damper (A).
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| When installing the dynamic damper, install it in set with the mounting part (A) of the shaft. |
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| 2. | Install the dynamic damper band (A) using SST (09495-39100). 
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| 3. | Install the transaxle side joint. (Refer to Driveshaft Assembly - "Transaxl Joint") |
| 4. | Install the front driveshaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
Joint Assembly (Transaxle side)
Repair procedures
| •
| Drive shaft joints require special grease, so do not add any other type of grease. |
| •
| When replacing the boot band, it must be a new one. |
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| 1. | Remove the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
| 2. | Remove the transaxle side large diameter (A) and small diameter (B) boot bands. 
| •
| Use the right tool for each type of boot band as shown in the table below.
Ear type
| Hook type
| Hook type [Low profile]
| Driver (-)
| Driver (-)
| SST (0K495-2W000)
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| When using the low profile hook type boot band, fit the SST tip (B) into the boot band hole (A) as shown below. 
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| 3. | Remove the trans axle joint housing (A). 
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| 4. | Remove the snap ring (A) using a snap ring pliers. 
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| 5. | Remove the spider assembly (A) from the drive shaft using a puller. 
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| 6. | Remove trans axle side boot (A). 
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| 7. | Clean the inside of the spider assembly and joint housing. | •
| Remove grease inside the housing as much as possible. |
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| 1. | Check spline (A) for damage / wear / crack. 
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| 2. | Check the boot for water or foreign objects. |
| 3. | Check joint assembly for damage / wear / crack and rust. |
| 4. | Replace any defective parts. |
| •
| When assembling, be careful not to let dust and foreign substances enter. |
| •
| Driveshaft joints require special grease, so do not add any other type of grease. |
| •
| Boot bands must use the new one. |
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| 1. | Install the transaxle side boot (A) and boot band (B) on the driveshaft. | •
| Put the boot band (B) first on the drive shaft before installing the boot (A). 
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| When installing the boot, seats in the mounting part (A). 
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| 2. | Install the spider assembly (A) on the shaft (B), then press it using a mallet. 
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| When installing the spider assembly (A), install it in the correct direction. |
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| Installing in the wrong direction can cause secondary quality problems. 
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| When installing the spider assembly, install it according to the boot shape. 
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| 3. | Install the snap ring (A) using the snap ring pliers.
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| When replacing the joint assembly, use the new one provided in the joint kit. |
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| The snap ring must be new. |
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| After installing the snap ring, make sure that there are only 2 - 3 splines in position (A). 
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| 4. | Apply specified grease inside the joint housing (A) and boot (B). 
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| Use the grease provided with the joint/boot kit. |
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| Apply about 70% grease to the housing (A) and about 30% grease to the boot (B). |
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| Driveshaft joints require special grease, so do not add any other type of grease. |
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| 5. | Install the trans axle side joint housing (A). 
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| When installing the housing, turn the boot to fit each other. |
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| If the shape of housing and boot does not fit, there is a possibility of leakage due to the gap. Be very careful. 
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| 6. | Adjust the air inside the boot to normal as shown below.
Normal
| Lack of air
| Too much air
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| After installing the joint housing, perform air bleeding by pressing it several times until no air is heard. |
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| 7. | Install the transaxle side joint large diameter (A) and small diameter (B) boot band. 
Ear type
| Hook type
| Hook type [Low profile]
| SST (0K495-C5000)
| SST (09495-39100)
| SST (0K495-2W000)
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| Install in the following order: large diameter boot band → small diameter boot band. |
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| Installing in the wrong order can cause leaks. |
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| When installing the ear type boot band, check the clearance (A) as shown below. Clearance (A) : 2.0 mm or less. |
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| When using the low profile hook type boot band, fit the SST tip (B) into the boot band hole (A) as shown below.
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| 8. | Install the front driveshaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
Joint Assembly (Wheel side)
Repair procedures
The type can replace the wheel side joint boot
| 1. | Remove the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
| 2. | Remove the trans axle side joint. (Refer to Driveshaft Assembly - "Transaxl Joint") |
| 3. | Remove the dynamic damper. (Refer to Driveshaft Assembly - "Dynamic Damper") |
| 4. | Remove the wheel side joint small diameter (A) and large diameter (B) boot band using driver (-). 
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| 5. | Remove the wheel side joint boot (A). 
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| Do not remove the wheel side joint housing (A). |
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| Reinstall the wheel side joint housing (A) may cause leakage, so replace it with the shaft (B) as an assembly. 
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The type can not replace the wheel side joint boot
| 1. | Remove the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
| 2. | Remove the trans axle side joint. (Refer to Driveshaft Assembly - "Transaxl Joint") |
| 3. | Remove the dynamic damper. (Refer to Driveshaft Assembly - "Dynamic Damper") |
| 4. | Replace the wheel side joint assembly (A) and shaft (B). 
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| The wheel side joint boot can not be replaced, so replace the wheel side joint assembly (A) and shaft (B) together as an assembly. |
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| 1. | Check the boot for water or foreign objects. |
| 2. | Replace any defective parts. |
The type can replace the wheel side joint boot
| •
| When assembling, be careful not to let dust and foreign substances enter. |
| •
| Driveshaft joints require special grease, so do not add any other type of grease. |
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| Boot bands must use the new one. |
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| 1. | Install the new boot (A) in the direction of the arrow. 
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| 2. | Apply the grease specified inside the boot. 
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| Use the grease provided with the joint/boot kit. |
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| Apply about 50 - 60% grease inside the boot. |
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| Driveshaft joints require special grease, so do not add any other type of grease. |
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| 3. | Install the wheel side boot (A) into the housing (B). 
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| 4. | Install the large diameter boot band (B) using SST (0K495-C5000). Clearance (A) : 2.0 mm or less. |
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| 5. | Install the small diameter boot band (B) using SST (0K495-C5000). Clearance (A) : 2.0 mm or less. |
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| 6. | Install the dynamic damper. [If equipped] (Refer to Driveshaft Assembly - "Dynamic Damper") |
| 7. | Install the transaxle side joint. (Refer to Driveshaft Assembly - "Joint Assembly(Transaxle side)") |
| 8. | Install the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
The type can not replace the wheel side joint boot
| •
| When assembling, be careful not to let dust and foreign substances enter. |
| •
| Driveshaft joints require special grease, so do not add any other type of grease. |
| •
| Boot bands must use the new one. |
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| 1. | Replace the wheel side joint assembly (A) and shaft (B).
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| The wheel side joint boot can not be replaced, so replace the wheel side joint assembly (A) and shaft (B) together as an assembly. |
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| 2. | Remove the dynamic damper. (Refer to Driveshaft Assembly - "Dynamic Damper") |
| 3. | Install the transaxle side joint. (Refer to Driveshaft Assembly - "Joint Assembly(Transaxle side)") |
| 4. | Install the front drive shaft. (Refer to Driveshaft Assembly - "Front Driveshaft") |
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Hyundai Elantra CN7: Driveshaft Assembly
