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By Lanny White - 7 Years Ago
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I need some help, Y-blockers. My stock 1954 256 merc has developed a leak at the crankcase oil breather assembly where the tube and adapter ass'y. join the filter can (cover). I pulled the filter can from the top side, removed the old, hard, brittle cardboard gasket and replaced it with a proper sized o-ring. I reassembled it, being sure the o-ring stayed in place, and now it leaks more than before. I really expected that the o-ring would be better than the gasket. Also, oil is pooling in the top of the breather tube ass'y. where the bolts retain it and the oil return tube to the block. Shouldn't the oil return tube empty this portion of the breather assembly? I'm going to disassemble it again, this time removing it all from the side of the block to be sure that the oil return tube is not plugged. What am I missing here? Also, should I add some sort of sealer to the o-ring and mating surfaces?
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By slumlord444 - 7 Years Ago
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I would try a new gasket rather than an o ring and a little silicone gasket sealer.
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By oldcarmark - 7 Years Ago
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slumlord444 (8/13/2017)
I would try a new gasket rather than an o ring and a little silicone gasket sealer.
The replacement Filters come with a flat "Rubber" Seal not the original Cardboard type. Also check the Can where the Bolt goes in.The end of the Can gets compressed from over tightening. Knock it back into shape by tapping the Can on the inside.
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By paul2748 - 7 Years Ago
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If you installed a new filter, I have heard that some were taller than the original. You may have to cut it down if this is the case.
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By Lanny White - 7 Years Ago
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Thanks, guys. I pulled the 0-ring and put the old gasket with silicone sealer and the old filter back in and stopped the leak. If I have further trouble I'll tap out the top of the can as suggested. So far, so good - put on about 150 miles yesterday and no leaks or drips!
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By Rowen - 7 Years Ago
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Lanny, We all love pics of our favorite cars. Got any?
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By Lanny White - 7 Years Ago
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I'm not too techny but had my honey attach one.
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By Rowen - 7 Years Ago
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Yes sirie! She's a beauty. I too am not to techy but there is a thread here that a bunch of forum members have posted pics of their cars. You ought to take a look and add her there. It really is pretty merc. Thanks for posting
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By 2721955meteor - 7 Years Ago
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tthose breathers are hard to stop leaking. only way is remove the complete breather,make sure the cover with no gasket has crush when bolted on, and that the nut is not bent, and is centered. this is so with the new gasket ther is crush,also that the filter element does not hold the cover frome sealing. after this dismant and be sure the drain back tube is clean,and replace the gasket breather to block
final cure is be sure oil filler cover is clean so the road draft can function,air in top breather out the road draft. with breather element (road draft) plugged crank case pressure is increased. ,be patent and fix the breathers properly,no easy way out of henrys not so smart a vent system
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By Kahuna - 7 Years Ago
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Lanny
That is real pretty car.
I know of one similar that has been sitting in a shed for about 30 years. Driven in and parked
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By mrmike - 7 Years Ago
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Pretty car Lanny, would love to have our 54 Mercs together at a big car show ! I noticed yours is a little custom with the front "bullets" removed & the teardrop spots & vent window mirrors...... Very nice color combo... Where are you located? <.Mike
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By 54MercMan - 7 Years Ago
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Lord I love the '54 Mercs and that is a sweet one you have Lanny.
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By Lanny White - 7 Years Ago
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Thanks guys, Yes, I pulled the front guards as they need to go to the chrome shop. They are the driving lights option and are going to cost a bundle to re-chrome. I couldn't find any '54 door mirrors so had to settle for the peeps. I live in north Idaho and it would be fun to have a Merc get together. I attempted to get enough interest in 2004 ( 50th anniversary) to have a gathering of Sun Valleys in Sun Valley, Idaho but it didn't gel.
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By John Didde - 7 Years Ago
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A cousin had a 54 just like that, I must have been 14 at the time. He took off from his parents house the sound was great with glass pack mufflers I can still see and hear it going down the road.
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By mrmike - 7 Years Ago
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Off the subject of the oil leak, but nice to see the interest here of the beloved 54 Merc , the first year of the Y-block with the Ford having the 239 c.I. & the Merc with the 256 c.I. with `161 hp that won the Great Mexican race. Here are the latest Pic of Mine........ The Chrome on the front of this car is original & not rechromed. The hood bar looks smudged in the Pic but it is not & shines like the rest ! My Merc was a one owner California car & was completely unmolested when I got it in the year 2000...
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By Lanny White - 7 Years Ago
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Sweeet !
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By mrmike - 7 Years Ago
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Thanks Lanny ! The #1 reason I have Sweet 54 on the plates is because the color is called Bittersweet . There are a lot of old timers out there that actually know the name of the color. I might add that my Visor is an NOS Lincoln Mercury accessory. I had purchased it from a gentleman who owned a 54 Lincoln Premier & it would not fit his car. It was in the original box. The Continental kit might also be a Lincoln Mercury accessory as the end pieces are Stainless. Many Merc guys I have talked never saw one like it & think it might be also a LM accessory, but no one seems to know for sure...... Let me know if anyone has any info on the 54 Merc Accessories....
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By Lanny White - 7 Years Ago
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Mrmike, according to the 54-55 Mercury chassis parts catalog the exterior sun visor is part number BC 18236 B and BC 18236 C and was available for quite a few models. I'm sure today it is a very rare accessory. I wasn't able to find anything in my literature concerning factory connie kits but I personally believe all '54s should have one. According to the catalog, there were 43 different accessories available in late '54.
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