What if your car does not have a radiator cap? Can you still put the pressure tester on the overflow jug to check it that way? - Quora
Coolant Cap? | Jeep Wrangler Forums (JL / JLU) -- Rubicon, 4xe, 392, Sahara, Sport - JLwranglerforums.com
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Which side of coolant reservoir tank cap you should connect to the engine ? - ClubLexus - Lexus Forum Discussion
![Where is my radiator cap on a 2001 Ford Escape, I'm on the road traveling and have a small leak in my radiator and would Where is my radiator cap on a 2001 Ford Escape, I'm on the road traveling and have a small leak in my radiator and would](https://www.justanswer.com/uploads/VLADGMRU/2008-12-24_175158_Cap.gif)