Express 1/2 Ton Van V6-4.3L VIN W (1999)
12. Remove the engine oil cooler lines from the radiator, and repeat steps 5 through 7.
13. Remove the engine oil cooler lines from the auxiliary oil cooler, and repeat steps 5 through 7.
Installation Procedure
Important: Do not reuse any of the existing retaining rings if the quick connect fittings have been removed. Retaining rings are not reusable. Ensure
the following procedures are performed when installing the new retaining rings onto the fittings.
1. Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.
