The coolant bottle has a crack in it cam I fix it or have to replace it? on 1990 Cadillac DeVille

Just noticed the crack in the white coolant bottle today has very little coolant in it.thought I saw a wet spot under my car the last time I drove but can't get the cap off the radiator to check the level in the radiaator. Help anyone please I'm ole lady 76

Asked by for the 1990 Cadillac DeVille
1 answer
Usually this can be repaired with 5 minute epoxy available from any hardware store, But it has to be clean and dry