C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
6. If equipped with a 8.1 L engine, remove the oil cooler line clip.
7. If equipped with a 6.5L engine, remove the cooler line fittings (2) from the oil cooler (1).
8. If equipped with a 8.1 L engine, disconnect the quick connect fittings from the radiator.