Checking Radiator Cap
WARNING: This page is about a different car, the 2018 Nissan NV3500 HD and 2018 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the radiator cap.
CAUTION:
Thoroughly wipe out the radiator filler neck to remove any waxy residue or foreign material.
- Replace the radiator cap if deposits of waxy residue or foreign materials are on the black rubber gasket or the metal retainer.