What tool is needed to remove the lower ball joint from the transverse link?

Tool HT72520000 (J25730-A) is used to remove the lower ball joint, after first removing the drive shaft (refer to Front Axle section).

What is the ball joint turning torque specification?

Turning torque in directions "A" and "B" is 0.15 - 3.43 N·m (1.5 - 35 kg-cm, 1.3 - 30.4 in-lb).

What is the maximum axial play allowed for the lower ball joint?

Axial play "C" is 0.5 mm (0.020 in). If play in the axial direction is excessive or the joint is hard to swing, replace the transverse link assembly.

When should the transverse link assembly be replaced?

Replace it if the ball stud is worn with excessive axial play or a stiff joint, if the dust cover is excessively cracked, or if the rubber bushing or transverse link shows damage, cracks, or deformation.

How should the coil spring be installed on the strut?

The upper and lower ends of the coil spring must be located and oriented as shown in the diagram, noting the upper end, lower end, small diameter, and large diameter positions.

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Nissan Micra Front Suspension - Coil Spring Install & Transverse Link Inspection

Front suspension: coil spring/strut assembly orientation and transverse link ball joint inspection

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FA-12 front suspension; coil spring orientation on strut, lower ball joint check, turning torque 0.15-3.43 N-m, axial play limit 0.5 mm; tool HT72520000.

AI caption October 2005 · Photo 265 of 412

This page (FA-12) from a Nissan front suspension service manual section covers two topics. The left column continues 'Spring and Strut' with the ASSEMBLY step: when installing the upper and lower ends of the coil spring on the strut, the spring must be located and oriented as shown in the accompanying diagram (SFA502), which identifies the upper end, lower end, small diameter, and large diameter of the spring. The right column begins the 'Transverse Link Assembly' section. REMOVAL requires removing the drive shaft (refer to Front Axle) and removing the lower ball joint using Tool HT72520000 (J25730-A). INSPECTION instructs checking the ball joint for play — if the ball stud is worn, axial play is excessive, or the joint is hard to swing, the transverse link assembly must be replaced. Specifications given (illustration SEA561): turning torque for directions "A" and "B" is 0.15–3.43 N·m (1.5–35 kg-cm, 1.3–30.4 in-lb), and axial play "C" limit is 0.5 mm (0.020 in). Further inspection points: replace the transverse link assembly if the dust cover is excessively cracked, and replace the transverse link if the rubber bushing or link itself shows damage, cracks, or deformation.

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Frequently asked questions

What tool is needed to remove the lower ball joint from the transverse link?: Tool HT72520000 (J25730-A) is used to remove the lower ball joint, after first removing the drive shaft (refer to Front Axle section).
What is the ball joint turning torque specification?: Turning torque in directions "A" and "B" is 0.15 - 3.43 N·m (1.5 - 35 kg-cm, 1.3 - 30.4 in-lb).
What is the maximum axial play allowed for the lower ball joint?: Axial play "C" is 0.5 mm (0.020 in). If play in the axial direction is excessive or the joint is hard to swing, replace the transverse link assembly.
When should the transverse link assembly be replaced?: Replace it if the ball stud is worn with excessive axial play or a stiff joint, if the dust cover is excessively cracked, or if the rubber bushing or transverse link shows damage, cracks, or deformation.
How should the coil spring be installed on the strut?: The upper and lower ends of the coil spring must be located and oriented as shown in the diagram, noting the upper end, lower end, small diameter, and large diameter positions.