Using a hexagon wrench (12 mm), temporarily install the differential carrier to the suspension member with 3 new bolts (A).

Clean the contact surfaces of the differential case and ring gear.

Set the dial indicator perpendicular to the end of the ring gear face.

Remove the breather plug from the differential carrier cover.

Remove the 2 nuts and No. 2 differential support protector from the suspension member brace.

Lexus IS250 IS220d GSE20 ALE20 DIFFERENTIAL

Using a hexagon wrench (12 mm), temporarily install the differential carrier to the suspension member with 3 new bolts (A).

Hold the differential case in a vise between aluminum plates.

Using a dial indicator, measure the runout of the ring gear.

• Maximum runout:
• 0.07 mm (0.0028 in.)

If the runout is greater than the maximum, replace the drive pinion, ring gear and differential case.

Remove the breather plug from the differential carrier cover.