Check for DTCs.

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE IGNITION

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE IGNITION

Using SST, tap in a new oil seal until its surface is flush with the timing gear case edge.

Remove the 11 clips and intake duct seal.

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE LUBRICATION

Remove the drain plug.

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE LUBRICATION

Warm up the engine, stop the engine and wait 5 minutes. The oil level should be between the dipstick's low level mark and full level mark.

If low, check for leakage and add oil up to the full level mark.

Apply adhesive to 2 or 3 threads of the oil pressure switch assembly.