OTC 7786 Rear Main Seal Installer for Ford This installer is the most accurate way to ensure that the rear main seal is set to the correct depth on the crankshaft The installer fits over the seal and with the two bolts included attaches to the engine crankshaft By alternately tightening the bolts the seal is pulled into place quickly easily and with no damage to the rear main seal Works on 1998  2002 Ford 2.5 DOHC engines and 2000  2012 Ford 3.0 DOHC engines Similar to Ford No. 303-178 T82L-6701-A