Thread: how to locate a leak around the intake

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Some people say that if there was a leak it would be around the edges of the intake. Would I be able to see it from on top sides or where. The leak is coming from the drivers side.AS Iam under the car I threaded a close hanger upward on the left side of the oil pan as that is where I suspect the leak is coming from.This is a 62 thunderbird with a fresh short block in it. If it was from the valve covers wouldnt the oil gather onto the exhaust manifold. Its not the oil pan bolts as I thought yesterday. The leak is high up I would imagine it would have to be coming from the drivers side of the intake. But would I be able to see it thats my question. Thanks Larry

Originally Posted by larjones

Some people say that if there was a leak it would be around the edges of the intake. Would I be able to see it from on top sides or where. The leak is coming from the drivers side.AS Iam under the car I threaded a close hanger upward on the left side of the oil pan as that is where I suspect the leak is coming from.This is a 62 thunderbird with a fresh short block in it. If it was from the valve covers wouldnt the oil gather onto the exhaust manifold. Its not the oil pan bolts as I thought yesterday. The leak is high up I would imagine it would have to be coming from the drivers side of the intake. But would I be able to see it thats my question. Thanks Larry

There is a special dye that will show up under black light and reveal the source of a leak. Go to Waikem Chrysler Jeep or any other Mopar dealer and purchase a bottle of part number 05010042AA 4-IN-1 Blacklight Dye. Add it to the engine oil. You may want to take the car to a car wash and clean the motor off before you do this test.

Go to Spencer's Gifts, 4100 Belden Mall NW, North Canton, OH 44720
(330) 494-7859 and purchase a black light bulb for your trouble light. At night, you will be able to see the engine oil on the outside of the motor as a bright yellow leak.

It works in coolant and atf too.

hello Techinspector. It has to be around the baby moon of the valve cover or the back edge of the intake manifold. Iam taking to a ford dealership for a free visual inspection they want 70.00 dollars for the same test. If they cant locate it I will by the dye and blacklite. Thanks for your input. Larry