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04-15-2018, 09:51 PM | #1 |
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Oil mist on left side of engine
I have a car that mists oil form somewhere -- Breather Cap? Dip Stick hole - some other unknown place. Where does this mess come from and how do I fix it?
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04-15-2018, 10:03 PM | #2 |
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Re: Oil mist on left side of engine
Its your breather. Without taking you engine apart, sometimes a road draft tube gets the fumes to down under the car where they are carried away. Or you can put a white cotton sock over it to catch the oil. You can then actually see how much oil vapor you are catching? You probably have some weak rings.
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04-15-2018, 10:51 PM | #3 |
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Re: Oil mist on left side of engine
Be sure the dip stick is all the way into the block.
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04-16-2018, 05:55 AM | #4 |
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Re: Oil mist on left side of engine
The vendors carry the accessory unit that fits into the breather tube and carries the mist to under the car. Here's the one from Snyder's: https://www.snydersantiqueauto.com/oil-breather
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04-16-2018, 07:26 AM | #5 |
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Re: Oil mist on left side of engine
I would add the breather tube from Snyder’s, we have used on all the Model A’s we have owned.
If you have a high mileage engine, you might want to also try a heavier weight engine oil. 20w-50 is used by a lot of guys in the Model A. Add the breather, you will be happy with the result. Enjoy. |
04-16-2018, 08:54 AM | #6 |
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Re: Oil mist on left side of engine
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04-16-2018, 12:41 PM | #7 |
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Re: Oil mist on left side of engine
You can use a plain copper scrub pad, cut a large piece and place it in the tube under the oil cap, push it down to the louvers. As the oil collects on the pad it will run back into the oil pan and not end up on the left side of the engine.
Works well for me for a lot of years. Ron |
04-16-2018, 02:08 PM | #8 |
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Re: Oil mist on left side of engine
# 7 works very well with weak rings and blow-by.
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04-16-2018, 04:49 PM | #9 |
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Re: Oil mist on left side of engine
I have a 1929 Roadster and it has the larger Model B filler. I never had a problem, but two of my friends got cars after me with the stock more narrow original tube. We have switched both cars now to the wider, longer Model B tube...fixed that problem of blow by. Not original but FORD and better than new!
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04-16-2018, 05:32 PM | #10 |
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Re: Oil mist on left side of engine
Those oil breather tubes are another example of the LHD focus of parts houses. There is nothing provided to secure the lower end of the tube. I wire it to the engine mount but it is and looks rather crude.
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04-16-2018, 06:58 PM | #11 |
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Re: Oil mist on left side of engine
There is also the PCV option.
See Brierleys book, mine works very well. John
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04-16-2018, 08:08 PM | #12 |
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Re: Oil mist on left side of engine
stock breather and a right side breather off the valve cover,upper rear.. |
04-16-2018, 11:13 PM | #13 |
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Re: Oil mist on left side of engine
Look at the center main bolt. Seepage there sometimes.
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04-17-2018, 09:27 AM | #14 |
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Re: Oil mist on left side of engine
A caution:
I have seen "steel wool" used in place of copper pot scrubbers in breather tube. Water vapor collects on steel wool which causes rust then as steel wool falls apart the small pieces of steel wool drop into the oil pan and get in bearings etc. |
04-17-2018, 10:07 AM | #15 | |
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Re: Oil mist on left side of engine
Quote:
Mist is mainly a problem at higher speeds & longer runs, THEN, just use a sock & don't WURRY about it. It's just one of Model As IDIOSYNCHROCIES! IDIOSYNCHRIC, was Greggs, (RIP!) one word definition of me! I considered it as a COMPLIMENT. Bill Practical
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"THE ASSISTANT GURU OF STUFF" Last edited by BILL WILLIAMSON; 04-17-2018 at 10:45 AM. |
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04-17-2018, 10:09 AM | #16 |
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Re: Oil mist on left side of engine
..
Maybe check first if your oil breather/filler pipe is oriented the right way as in the picture. JP .. |
04-17-2018, 10:13 AM | #17 |
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Re: Oil mist on left side of engine
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04-17-2018, 11:24 AM | #18 | ||
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Re: Oil mist on left side of engine
Quote:
Quote:
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04-17-2018, 03:34 PM | #19 |
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Re: Oil mist on left side of engine
SST scowling pads work well, that is what I use. No rust that way.
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04-18-2018, 12:02 AM | #20 |
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Re: Oil mist on left side of engine
All A engines have to breath, that is why all oil tubes are not the same, Ford no doubt was getting complaints about blow by, you do not have to have worn rings to have blow by.
This is why I suggested, for a quick fix, using a copper scower pad as it is course and even though it collects oil fumes it still allows the engine to breath. If you go to swap meets you might find an old Fumaze which has a special bracket that holds it in place, a lid that opens for adding or changing oil, a tube that extends down about 1 foot to carry the fumes out. Do not use steel wool as it is fine and you will end up with some of it going into the oil pan, bad deal !!!!!! Ron Last edited by Ron in Quincy; 04-18-2018 at 11:10 AM. Reason: To move post |
04-18-2018, 11:14 AM | #21 |
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Re: Oil mist on left side of engine
btt
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04-21-2018, 03:36 AM | #22 | |
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Re: Oil mist on left side of engine
Quote:
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03-14-2019, 03:57 PM | #23 |
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Re: Oil mist on left side of engine
After reading several "breather pipe" topics, I thought the solution would be to use a Model B breather tube since it is a Model B engine. Well, that didn’t work since there was an after-market finned aluminum side cover on the engine which stated; "this plate will fit Model B engines if the Model A oil filler pipe is used."
Other respondents said that extending the length of the breather tube was a solution. So I came up with this modification; a piece of leftover 1-1/2" radiator hose, a cut down Ace Hardware black plastic 1-1/2" dia. polypropylene tailpiece (4223848), a couple hose clamps and the original cap. The cap fit the tailpiece perfectly. It works great! No more oil mist in the engine compartment and only a couple drops of oil under the bell housing. No, it's not pretty or "stock" looking but can be removed quickly to add oil or removed entirely when at a car show. I did also take the advice of several respondents of keeping the crankcase oil level halfway between the "F" and "L" level on the dip stick. Last edited by nevadavic; 03-14-2019 at 10:25 PM. |
03-14-2019, 10:47 PM | #24 |
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Re: Oil mist on left side of engine
Anyone know the best way to clean the inside of the fill tube??
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03-15-2019, 09:23 AM | #25 | |
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Re: Oil mist on left side of engine
Quote:
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03-16-2019, 02:27 PM | #26 |
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Re: Oil mist on left side of engine
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03-16-2019, 05:17 PM | #27 |
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Re: Oil mist on left side of engine
Hello Purdy,
is it possible, to show a picture from this part? Thanks!
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03-16-2019, 06:05 PM | #28 |
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Re: Oil mist on left side of engine
Werner , Sorry but I can no longer post pictures . Its mostly a thing about resizing the pictures to get them to post .
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03-16-2019, 06:28 PM | #29 |
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Re: Oil mist on left side of engine
here
Post 4 shows link to Snyder's Find a fumaze if possible as they are less restrictive than flexible ones like I had 50 years ago. Last edited by Benson; 03-16-2019 at 07:17 PM. |
03-16-2019, 08:18 PM | #30 |
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Re: Oil mist on left side of engine
Thanks Benson for the picture of the old ad
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03-16-2019, 08:43 PM | #31 |
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Re: Oil mist on left side of engine
# 7.... I agree the scrubby works for me also. Have used it for years and works well, mine happens to be stainless and will not come apart and is really course, allows for easy flow and no blow by. good luck with yours. Dutie
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03-17-2019, 07:34 AM | #32 |
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Re: Oil mist on left side of engine
Thanks Benson and Purdy!
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03-21-2019, 09:59 AM | #33 |
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Re: Oil mist on left side of engine
I had similar issues of oil wetting on my engine! I had just purchased the car, and had only run it to town and home, and oil wetting on the left side was obvious! Did some looking and investigating and found my oil filler tube was loose in the block! Once I pulled the breather cap, I was able with little effort to pull out the entire oil fill tube. So, I put some permatex on the oil tube, shoved it back in and checked the oil level, took the old girl for a ride and no more oil wetting!
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