Express 3/4 Ton Van V8-5.7L VIN R (1998)
12. Remove the engine oil cooler lines from the oil filter adapter (7.4L shown), and repeat steps 3 through 10.
13. Remove the engine oil cooler lines from the oil filter adapter (6.5L only), and repeat steps 3 through 10.
14. Remove the engine oil cooler lines from the radiator, and repeat steps 3 through 10.