Ear Muffs Find Vacuum Leak
Bradley Ballard, Robinson, Texas: “My 2001 Ford Sport truck developed a vacuum leak, which caused the ‘service engine’ light to come on. The usual way to find a vacuum leak is to spray the engine with carburetor cleaner or spray WD-40 around the engine.
“I didn’t want to use any chemicals or oils on the engine to find the leak, so I made my own inexpensive tester using a pair of ear muffs I bought at Harbor Freight. On one side I drilled a 3/8-in. dia. hole and inserted a length of 1/4-in. dia. tubing. I taped a length of small dia. pipe to the other end of the tubing. Now I can probe around the engine and hear the vacuum leak, which makes a hissing sound in the ear muffs.
“This idea works great to find a leaky intake manifold, or anywhere you’re looking for a leak in a vacuum hose connection. Don’t use metal on the end of the tube because if it accidentally touches a spark plug wire you’ll receive a shock.”
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Ear Muffs Find Vacuum Leak FARM SHOP Handy Hints Bradley Ballard Robinson Texas: “My 2001 Ford Sport truck developed a vacuum leak which caused the ‘service engine’ light to come on The usual way to find a vacuum leak is to spray the engine with carburetor cleaner or spray WD-40 around the engine “I didn’t want to use any chemicals or oils on the engine to find the leak so I made my own inexpensive tester using a pair of ear muffs I bought at Harbor Freight On one side I drilled a 3/8-in dia hole and inserted a length of 1/4-in dia tubing I taped a length of small dia pipe to the other end of the tubing Now I can probe around the engine and hear the vacuum leak which makes a hissing sound in the ear muffs “This idea works great to find a leaky intake manifold or anywhere you’re looking for a leak in a vacuum hose connection Don’t use metal on the end of the tube because if it accidentally touches a spark plug wire you’ll receive a shock ”
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