GMC Workshop Service and Repair Manuals > C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999) > Engine, Cooling and Exhaust | Engine | Water Pump | Component Information | Specifications

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15. Install the radiator cap. Make sure that the cap arrows line up with the overflow tube.
16. Inspect the cooling system for leaks.

GMC Workshop Service and Repair Manuals