Highlander 4WD V6-3.5L (2GR-FE) (2008)
D. Remove the hexagon wrench of the chain tensioner. Check that each timing mark is aligned with the crankshaft at the TDC/compression.
E. Remove the pulley set bolt.
12. Install the timing chain case oil seal.
Using the SST, tap in a NEW oil seal until its surface is flush with the timing gear case edge.
SST P/N: 09223-22010, 09506-35010