KIA Niro: TJ Joint Repair procedures

Removal

Warning

  • 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.
  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.

Warning

Warning

Use the right tool for each type of boot band as shown in the table below.  WarningWarning

Warning

When using the low profile hook type boot band, fit the SST tip (B) into the boot band hole (A) as shown below.

  1. Remove the trans axle joint housing (A).

  1. Remove the snap ring (A) using a snap ring pliers.

  1. Remove the spider assembly (B) from the drive shaft using a puller (A).

  1. Remove trans axle side boot (A).

  1. Clean the inside of the spider assembly and joint housing.

Warning

Remove grease inside the housing as much as possible.

Inspection

  1. Check spline (A) for damage / wear / crack.

  1. Check the boot for water or foreign objects.
  2. Check joint assembly for damage / wear / crack and rust.
  3. Replace any defective parts.

Installation

Warning

  • 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.
  1. Install the transaxle side boot (A) and boot band (B) on the driveshaft.

Warning

Warning

Put the boot band (B) first on the drive shaft before installing the boot (A).

  1. Install the spider assembly (A) on the shaft (B), then press it using a mallet.

Warning

Warning

  • the spider assembly (A), install it in the correct direction.When installing the spider assembly (A), install it in the correct direction.
  • Installing in the wrong direction can cause secondary quality problems.
  1. Install the snap ring (A) using the snap ring pliers.

Warning

Warning

  • When replacing the joint assembly, use the new one provided in the joint kit.
  • The snap ring must be new.
  • After installing the snap ring, make sure that there are only 2 - 3 splines in position (A).
  1. Install the transaxle side joint boot (A) in the correct position.

Warning

Warning

  • When installing boot (A), make sure the boot fits into the groove (B). When installing the spider assembly, fit the assembly to the
  • When installing the spider assembly, fit the assembly to the boot shape.
  1. Apply specified grease inside the joint housing (A) and boot (B).

Warning

Warning

  • Use the grease provided with the joint/boot kit.
  • Apply about 70% grease to the housing (A) and about 30% grease to the boot (B).
  • Driveshaft joints require special grease, so do not add any other type of grease.
  1. Install the trans axle side joint housing (A).

Warning

Warning

  • When installing the housing, turn the boot to fit each other.
  • If the shape of housing and boot does not fit, there is a possibility of leakage due to the gap. Be very careful.
  1. Adjust the air inside the boot to normal as shown below.

Normal Normal

Lack of air Lack of air

Too much air Too much air

  1. Install the transaxle side joint large diameter (A) and small diameter (B) boot band.

Warning

Warning

Use the right tool for each type of boot band as shown in the table below. Warning

Warning

  • Install in the following order: large diameter boot band (A) Õ small diameter boot band (B).
  • Installing in the wrong order can cause leaks.
  • When installing the boot band, align the fastened direction with the wheel side joint boot band. When installing the ear type boot band, check the clearance (A)
  • When installing the ear type boot band, check the clearance (A) as shown below.

Clearance (A) : 2.0 mm or less.

  • When using the low profile hook type boot band, fit the SST tip (B) into the boot band hole (A) as shown below.
  1. Install the front drive shaft.

    (Refer to Driveshaft Assembly - "Front Driveshaft")

TJ Joint Repair procedures

Removal

  1. Remove the front drive shaft.

    (Refer to Driveshaft Assembly - "Front Driveshaft")

  2. Remove the trans axle side joint.

    (Refer to Driveshaft Assembly - "Joint Assembly (Transaxle side)")

  3. Remove the dynamic damper band (A) using driver (-).

Warning

Warning

When removing the dynamic damper, lubricate the shaft with soapy water to prevent shaft
damage.

  1. Remove the dynamic damper (A).

Installation

Installation

  1. Install the dynamic damper (A).

Warning

Warning

When installing the dynamic damper, install it in the direction of the arrow. Installing in the wrong direction can cause secondary quality problems.

  1. Install the dynamic damper band (A) using SST (09495-39100).

Warning

Warning

When installing the dynamic damper (A), make sure that the damper fits into the groove (B).

  1. Install the transaxle side joint.

    (Refer to Driveshaft Assembly - "Joint Assembly(Transaxle side)")

  2. Install the front driveshaft.

    (Refer to Driveshaft Assembly - "Front Driveshaft")

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