Installation Procedure

Install the NEW vacuum pump seal (1) to the DT-45866 installer (2).

Fig 1: Vacuum Pump Seal And Installer
Courtesy of GENERAL MOTORS COMPANY

NOTE: Lubricate the NEW vacuum pump seal with clean engine oil before installing to the special tool.
Use the DT-45866 installer to install the NEW vacuum pump seal (1) into the camshaft cover.

Fig 2: Vacuum Pump Seal
Courtesy of GENERAL MOTORS COMPANY
NOTE:
- The vacuum pump seal must NOT deform during the installation procedure.
- Ensure the vacuum pump seal is FULLY seated into the camshaft cover.
Vacuum Pump Assembly - Install Vacuum Pump Assembly Replacement