Put matchmarks on the intermediate shaft and propeller shaft.

Remove the 4 nuts and front No. 1 floor heat insulator.

Lexus IS250 IS220d GSE20 ALE20 PROPELLER SHAFT

Remove the SST from the transmission.

Set the No.1 center support bearing assembly and 2 center support bearing washers on the intermediate shaft assembly as shown in the illustration.

Using a dial indicator, inspect the runout of the propeller shaft.

Put matchmarks on both flanges.

Remove the 4 nuts and front No. 1 floor heat insulator.

Lexus IS250 IS220d GSE20 ALE20 PROPELLER SHAFT

Use the table below to help find the cause of the problem. Check each part. If necessary, replace these parts.