Why can't I open the lid to the coolant fluid in my car? I have twisted left as much as I could. - Quora
Does opening the radiator's cap harm the car's engine when the car is hot and off? My friend told me that doing so would cause the air to infilterate the engine making
Why can't I open the lid to the coolant fluid in my car? I have twisted left as much as I could. - Quora
![West Sussex teen suffers burns to his arm after removing radiator cap from hot car | Daily Mail Online West Sussex teen suffers burns to his arm after removing radiator cap from hot car | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/07/10/16/15873476-7232981-image-m-89_1562771629518.jpg)
West Sussex teen suffers burns to his arm after removing radiator cap from hot car | Daily Mail Online
![I don't understand what's wrong, the cap is on tight but I'm still loosing coolant : r/AskAShittyMechanic I don't understand what's wrong, the cap is on tight but I'm still loosing coolant : r/AskAShittyMechanic](https://i.redd.it/hbvk3xbiqtdb1.jpg)
I don't understand what's wrong, the cap is on tight but I'm still loosing coolant : r/AskAShittyMechanic
![This coolant cap won't come off! Why won't it come off it looks like it's not even supposed to then what is it?! : r/MechanicAdvice This coolant cap won't come off! Why won't it come off it looks like it's not even supposed to then what is it?! : r/MechanicAdvice](https://preview.redd.it/this-coolant-cap-wont-come-off-why-wont-it-come-off-it-v0-bgy7s5tokxhb1.jpg?width=640&crop=smart&auto=webp&s=d1837002b371dae78bf05af57577ff77fbc3a8e1)
This coolant cap won't come off! Why won't it come off it looks like it's not even supposed to then what is it?! : r/MechanicAdvice
![I may have accidentally driven today with the cap to the coolant reservoir being open. I just bought the car a month ago and often check everywhere I can for the fluids I may have accidentally driven today with the cap to the coolant reservoir being open. I just bought the car a month ago and often check everywhere I can for the fluids](https://i.redd.it/u5ue0qy7tfx71.png)
I may have accidentally driven today with the cap to the coolant reservoir being open. I just bought the car a month ago and often check everywhere I can for the fluids
![Car Radiator Cap, Cap Decorative Cover Car, with luminum Alloy heat resistant Cap for Automobile Pressure Rating Cap : Amazon.co.uk: Automotive Car Radiator Cap, Cap Decorative Cover Car, with luminum Alloy heat resistant Cap for Automobile Pressure Rating Cap : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/61JrSxfxTfL.jpg)
Car Radiator Cap, Cap Decorative Cover Car, with luminum Alloy heat resistant Cap for Automobile Pressure Rating Cap : Amazon.co.uk: Automotive
![West Sussex teen suffers burns to his arm after removing radiator cap from hot car | Daily Mail Online West Sussex teen suffers burns to his arm after removing radiator cap from hot car | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/07/10/15/15874180-0-image-a-74_1562770360359.jpg)