Coolant Leak

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There is a coolant leak thats coming from a hole on the top of the throttle body. There is also a round metal plug that came out of the hole. Any suggestions?

Visitor

in Houston TX

Feb 21, 2017

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What is your question?

Popular Answer

Coolant Leak

What is your question?

There is a coolant leak thats coming from a hole on the top of the throttle body. There is also a round metal plug that came out of the hole. Any suggestions?

Visitor

in Houston TX

Feb 21, 2017

1 Reply

Popular Answer

freedomautomotiveon Feb 21, 2017

there are 2 coolant lines running to the throttle body and they serve as an intake air warmer for colder climates. You can bypass this by connecting the 2 hoses together to keep the flow going but not through the throttle body. A piece of metal tubing and a couple of clamps will do it. The plug that came out is the cap for where the coolant passages are drilled. It can be replaced if you can find the right size to tap in there. John Miller Freedom Automotive Auto Mojo Radio

thepiper46on Feb 22, 2017

Thank you Mr. Miller. I live in Houston, TX and the bypass to the throttle body would be a great idea. I need to make sure I bypass the correct two hoses. Finally, the plug just popped out and is still on the top of the throttle body. Can I just reuse that one or did the heat and time damage it? It looks alright. Again, thank you for your comment.

freedomautomotiveon Feb 22, 2017

If it popped out it probably will not go in tight enough to seal against the pressure of the cooling system. You will know if you have the right 2 hoses as each will have coolant in them. They are about an inch in diameter and connect to the throttle body.

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Popular Answer

What are the best Lexus repair shops?

RepairPal Certified shops can diagnose and repair your 2003 Lexus LS430. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.