All those folks who ask whether the radiator sealer gunk works

First nuclear submarine U.S.S. Nautilus visits Seattle and crew secretly buys Bar's Leak on June 3, 1958. On June 3, 1958, the U.S.S. Nautilus, the world's first nuclear submarine, visits Everett and Seattle. In Seattle, crewmen dressed in civilian clothing secretly buy 140 quarts of the automotive product Bar's Leak (originally identified as Stop Leak -- see comment in Sources below) to repair a leaking condenser system. The Nautilus is enroute to the North Pole on a Top Secret mission to cross the North Pole submerged.

The Nautilus was commissioned in 1954 and featured a nuclear power plant instead of the usual combination of diesel engines and battery- powered electric motors. The Nautilus was capable of remaining underwater without the necessity of surfacing to recharge the batteries and without refueling. U.S. Navy leaders realized the military importance of the Arctic Ocean in the Cold War. The Arctic is covered with ice year round, but navigation under the ice was a possibility. The Nautilus was ordered to transit the North Pole underwater in a Top Secret mission dubbed Operation Sunshine.

On June 2, 1958, the Nautilus arrived in Everett and spent the night there. The following day, with a load of dignitaries and journalists, the submarine ran to Seattle and docked at Pier 91. A leaking condenser unit threatened the secret mission to the North Pole, but security concerns and time precluded repairs through the usual channels. Experts hit on the idea of using Bar's Leak, an automotive stop-leak product developed for leaking radiators.

Commander William Anderson ordered crewmen to change into civilian clothing. The men fanned out across Seattle in taxicabs to buy cans of Bar's Leak at local service stations.

The sailors in mufti returned with 140 quarts of Bar's Leak, half of which was poured into the condenser. The leak stopped.

Just after midnight on June 9, 1958, the Nautilus cast off and headed north. While running on the surface in Puget Sound, the crew painted out the large numbers on the sail (conning tower) and the bow to conceal the sub's identity.

In the Chukchi Sea, Commander Anderson ran into heavy ice and a shallow bottom (at the time the floor of the Arctic was not mapped), and broke off the mission. Later in the summer, the Nautilus successfully crossed the Arctic, completely under water.

The event received worldwide publicity and changed the complexion of the Cold War. The crew was celebrated with a tickertape parade in New York City and President Dwight D. Eisenhower awarded the Nautilus the Presidential Unit Citation. Commander Anderson revealed the Seattle episode in his book Nautilus -90- North, published the following year.

The condenser unit aboard the Nautilus never leaked again.

Sources: Commander William R. Anderson with Clay Blair Jr., Nautilus 90 North (Cleveland and New York: The World Publishing Co., 1959), pp. 133-137; Commander William R. Anderson with Clay Blair Jr., Nautilus 90 North (New York: The New American Library, 1959), 89-90; Clayton Parks, of Bar's Products to David Wilma, Deputy Director,

email communication, April 8, 2003; Henry Londean, "Sub Nautilus Here On Last Year's 'Gas,'" Seattle Post-Intelligencer, June 4, 1958, p.

1. Note: In the hardcover first printing of his book, Commander Anderson named the product in question Stop Leak. In the subsequent New American Library (Signet Key Book) paperback edition, he corrected the name of the product to Bar's Leak. The firm Bar's Products produces Bar's Leak. By David Wilma, April 2, 2002 Corrected April 9, 2003

Bar's Leak does work for small leaks.So does a bunch of other thingys.household thingys too.I don't think it is a permanent repair though. cuhulin

Nobody said it doesn't stop leaks. It's that it can cause other problems like reducing the cooling system's ability to keep the engine from getting too hot.

(> ...like reducing the cooling system's ability to keep the engine from

LOL. When you think you've heard it all !!!

You have a serious malfunction. Where do you think the rest of the stop leak ends up? It can end up coating the passages in the radiator, in the block, in the heads, etc. This in turn reduces the heat transfer to the coolant and the heat transfer from the coolant to the air.

You're not actually sayind that Brent's statement isn't 100% technically accurate, are you? Because it is.

nate

I think it was back in the 1970s when I read in a car magazine that some car manufacturers put some Bar's Leak (or similar product) in every car that rolls out the factory doors. cuhulin

Pretty sure that was GM, in the 4100 Caddy motor. They were pellets with a GM part number but it wouldn't surprise me if it was Bar's Leak with a new label slapped on the package.

nate

You are correct. The 4100,4500 4.9 and early NorthStars use this. One of the big problems with the 4100 was that people didn't use the tablets as directed.

These engines don't use the gloppy stuff though, they use the tablets that are basically made of ginger. Bars Leak has a similar product

Steve B.

...much like with pain killers.

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