How to fix a lawnmower thats leaking oil from the air filter.
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- เผยแพร่เมื่อ 28 ส.ค. 2024
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I show how to replace the breather reed on a Briggs and Stratton 550EX mower. This issue ended up being a bad head gasket, so check that first before you change the reed its easier to access the head than the reed. www.joinhoney....
![How to Fix This Briggs And Stratton Engine With No Compression [EX 550]](http://i.ytimg.com/vi/6jLgATn-WA8/mqdefault.jpg)
Update changing the head gasket solved the oil leaking out of the filter issue. The mower runs good again used it today. Totally awesome this is the first video on my channel to reach 100 thousand views, I thank everyone of you who made this possible.
chriss4365 , Thoughts? I have a Craftsman push mower.Few years old.Brought it used so, history is a ?.Apears the mower was not abused.It does start and runs fine.The issue is it leaks oil pretty heavy.Well, enough a leak not to run mower and is steady a leak.Oil comes out the air filter.The area around the carb that has white plastic over it and behind that sits a black house that runs to a silver pipe sorta that goes to engine.The engine is a 6.75 Briggs and Straton.What do you suspect? Lastly, is gaskets and the like pretty easy to find and buy?
If the oil is dripping out it could be the breather reed but if it is gushing out it is probably the head gasket. If you need to see that done i have a video for changing the head gasket. They seem prone to fail as i have changed the gasket twice on this mower. I called sears and told them the make and model of the mower and they located the head gasket. th-cam.com/video/khrqANLL3Rc/w-d-xo.html
Thanks, actually I'll say it's gushing.I went out to do something a bit ago after leave of mower all night.I seen oil all under deck and front and back of mower on floor.So, update appears oil leaking bad out of air filter housing and under deck blade etc.Being it is both, still good chance head gasket?
Do I need to change the blue flap part to new part
@@ClipperzPM You can but it may end up being the head gasket like it was with this mower. These gaskets suck i changed this one twice on my dads mower in the video so i would change that first. Here is a link to my head gasket video th-cam.com/video/khrqANLL3Rc/w-d-xo.html
I have this same issue, I will take mower apart tomorrow and check for issues in both your videos. Thanks for your contribution.
Please let us know how this goes! Thx,
@@BobC777
Well my issue now is getting the fly wheel off.
Did you get it fixed?
This video really make sense on fixing the oil leaks. Good job!
I was taught to lift up on the flywheel by hand ( enough to pick the mower up a little ) and smack the end of the drive shaft with a hard plastic hammer or equivalent to jar it loose. The flywheel nut should be left on, just below the end of the shaft to protect the threads. Of course this only works if you have enough room to put your fingers under the flywheel.
Great tip thanks.
I got you!!! same trouble of mine,, many thanks friend👌👍but you didn't tell if we need to change the air flapper with new one,,, but it's OK,, have a nice day 😍👏
In the comments I explained later that the issue was the head gasket. I found that out after I posted this video. I would try replacing the head gasket first. Go to my lawnmower video playlist and you will find me changing the head gasket on the same mower.
Never knew about the flapper valve….thanks.
This is the second video showing this repair for oil leakage into the airbox. But, I don't see anything wrong with the breather/flapper valve in either video. Can someone explain just what is wrong with the breather valve?? Ok, just read your follow up about the head gasket being blown. I guess that makes sense, the blown head gasket was pressurizing the crankcase pushing the oil out of the breather....
Exactly I have a video replacing the gasket if you need help with that.
Excellent vid. I love that it's in something like real time, giving a really good sense of what the job will be like to actually do. Just one question: i missed what changed between taking off oil valve and reinstalling it.
Changing the valve should of stopped the oil leaking into the air filter. The issue ended up being the head gasket had failed. I would start with that first as its easier to do than the reed. I have a video doing that on the channel and that mower is still being used by my dad as of now with no issues.
Thanks for ur honesty
Great job
Ehhh. If your getting blowby this fixes nothing...there are actually multiple reasons as to why oil would be coming out of your carb. The reed. Blowby/bad stuck rings/ head gasket/ valve seals. This should say ONE of the ways
dylan scronce as I stated in the below comment it says the head gasket ended up being the issue. Breather reed is the only thing that keeps the oil in on a mower. But the fact it was gushing out means blown head gasket too much pressure so the reed stays open.
Very good demo ! and helpful . Thanks
Looks like you are running it on chocolate milk. Switching to 2% milk should fix your problem.
Regular or 2% chocolate?
I might want to suggest you start the mower after the repair to show that it was the correct repair and not just a parts swap
Sure I can do that the mower ended up needing a head gasket so changing the reed was a waste but at least you can learn how to do it. The mower still works fine after replacing the head gasket.
Small cordless air hammer works great for getting fly wheels off. Thanks for sharing and great video.
PRO TIP: When applying F.I.P.G. bead must be a continuous closed loop.
#LexusTech
It’s a good idea to do a leak down test first thing
Was your faulty head gasket allowing oil to get sucked into breather hose and then into the carburetor. ???
I just found an old 1980 Snapper with a Briggs on it. It looks like you were getting oil mixed with gas that would point to the gasket prob you found. Thanks for posting this vid because I'm getting oil leaking from the air-filter area that's not mixed with gas but it seems to happen only when I tip the mower over to work on it so I'm thinking this is likely a reed problem like you posted here. It may not leak while it's running normally(not tipping the mower over), I don't know yet but yeah, thanks for posting this, I know where to go now if it leaks while in normal operation, looks like an inexpensive part too. Of course the engine is a 1980 model, I assume it has the same basic reed design, you think it does? I'm thinking it shouldn't leak that much and so fast just putting it on it's side for a minute or two or does that sound normal even when the reed is good, anybody know? Even when the reed is working, it doesn't look like it was made to guarantee an air-tight close.
I doubt they do much in redesigning these engines. Turning a mower sideways can even cause fuel to leak. The reed shouldn't let enough oil out on its side to be noticeable.
OK, it could be something else but yeah it's all pointing the reed, maybe lost it's form, maybe cracked. I'm going to go ahead and order a new reed before I even look at the old one, the engine is almost 40 years old, sure can't hurt to put a new one in. Those engines were made better back then so I'm going to try and save it. The old Snapper rocks, only paid $75 for it, I'm impressed with it. Looks like it's made to last a lifetime with easy to replace parts, designed that way.
@@scolopede now stuff is built to last until the warranty runs out.
When you tip the mower over, are you keeping the carb side up?
@@lytnin88 ESSENTIAL
Try at own risk.. like you can damage it wise? Or something gonna fly off??
so what was the problem ? what causes the oil to blow out the breather ??? was it that reed that you replaced in the compartment ? cause you really did nt say ? and whats that contraption you made up at the beginning of this video ?
The comment below yours States the head gasket was the issue. I made that contraption so viewers can see the oil coming out like crazy.
@@chriss4365 yes thank you chris i read that after i wrote you . guess i should have read that first . had the same problem as you but i thought i looked over the head gasket pretty good and i really was nt sure it could be the gasket ??? but its cheap enough will try it thanks for the quick reply
@@johnlitl2123 Did you get your mower running?
@@chriss4365 no i have not
yet went any further with it right now
I had new TB110 blow oil into the filter after a few runs. Home Depot would not do anything for me except call the manufacturer. I can't believe something as simply as a lawnmower engine is so poorly made these days.
Sorry to hear that.
I've got one from home Depot last summer and it's now blowing oil through that air filter. Cheap ass shit from China troy but says Briggs and Stratton on the side?
Whatever, anything with plastic in it is going to be shit. I'm just trying to see if I can save $300 by fixing it... don't know where to get that flapper plastic shit, I think I'll cut one out of a milk Carton.
Hi
What’s the name of part u did replaced coz my lawnmower have same problem
Thanks
Reed valve. Your issue may be the head gasket. Mine ended up being the head gasket.
What would happen if you plugged up that flapper? Would it just blow a head gasket? I put a spring on top of the reed that only added a little bit more pressure on it.. no more leaks but mine only dripped a little bit out.. enough to make it look oily in the side where the carb wasent picking it up with a shitty filter on it.. but now i got a surging carb after the motors warm. The reed valve couldnt cause that could it? Like if pressure built up and messed with combustion or gorernator maybe? But no smoke, only a small bit of searching... b&s 7.75..
plugging that will bow out engine gaskets but probably not the head gasket do not seal it. It is their to release pressure. If you change the reed and it still leaks oil you may need a new head gasket like my mower did.
How do you know if it's the reed-breather or not?
@elmerfudd835 other cause is the head gasket.
Would have been great to see clearly inserting the woodruff key tho
Great video I need to change the reed on my craftsman push mower can you tell me what the gasket is call that you had to replaced thanks
Their is no gasket. You have to make one using gasket maker.
@@chriss4365 ok sounds good thanks I thought maybe you had to have a gasket.
Awesome thanks for the demo!!
Let me ask you something the you replace the little PC for a new one or do you put the us?
I replaced the reed but the issue ended up being a bad head gasket. I added a link in the video to my reaction to comments video about this mower and show it running with no issues.
Get you a 1/2 cordless impact and zip that recoil/flywheel nut off
And the blade bolt
Found evidence the gasket on my breather chamber is leaking. Would this cause the engine to lack power and not run?
Lack of power will be worn rings or head gasket.
I just replaced both of those. I think my idle speed was set too low, also. I'm waiting until my new reed comes in until I mess with it anymore.
@@chriss4365 main symptom is the breather spitting oil. It's not the oil level; I pumped the sump dry when I was working on it and was very careful not to overfill it.
@@gabrielbennett5162 You cant set the idle on a mower if its too low could be a clogged jet or bad filter or bad spring.
@@chriss4365 the governor spring was really slack; I bent the stationary tab it connects to out a few degrees to tighten it.
Bought one of these and have mowed with it 3 times. Total piece of shit and I regret not getting the version with the Honda engine. I was going to fix it but they can take it back. Principle.
Same here 3 times is about right
Any honda product would be far worse
But what exactly was going wrong and why did the oil flow out of that crank vent ?
It was a bad head gasket I have another video talking about it.
What is the name of the part that I change to buy it? I have the same problem
Reed, my issues ended up being the head gasket so you may want to check that first. I have a video where I replace the head gasket on this same mower.
Great video! Question l have same mower engine and sudden high idle will not slow down, new governor spring, choke link, carburetor cleaned twice, only way slow down if l manually move governor lever coming from motor. Is there adjustment on governor lever at all? Any input be greatly appreciated
Its set so you have to make sure the spring does not have too much tension and the bars are not bent pulling the throttle open too much.
@@chriss4365 Thank you the bars you talking about are governor linkage to carburetor?
I even tried bending the governor spring bracket towards back slow down
@@jasonmyjak5117 yeah their more like steel wires. Post a video provide link and ill take a look.
@@chriss4365 Thank you l following your video, remove flywheel and adjustment governor arm was loose now runs normal again... great video
What is the part called that is a little flap piece held with a small bolt, located in the area where you apply new gasket? Can I buy it at a Walmart or is it something special on-line?7
Walmart wont have this. It is called the reed. My issue was the head gasket so id start their, its easier to get to it than the reed, Lawnmower shop should be able to order the parts for it. Its getting harder to find these parts online. Their is a video on the channel where I changed the head gasket on this mower it still runs perfect to this day.
@@chriss4365 thank you for replying so quickly, I've seen ure video n hv it saved👍 That's why I asked what was it called. I inspected my part (reed) n it looks ok except where I tried lifting it off while still attached oops but I got it hammered back down. My next question is, SHOULD I replace it anyways?
@@julieneilley4623 you mean you bent it? Idk if it will be ok after that.
@@chriss4365 yeah, the metal part where its bolted ,its still intact over the opening tho
chriss4365, I've got a pressure washer with a Honda gc160 5hp engine that is doing the same thing. Do you know if a Honda engine has this same type of reed set up?
I'm going to do a compression and leak down test on it to see if its worth my time to tear down. If the compression and leak down tests go well, I guess I'll find out soon what type of pvc valve Honda uses on their small engines...
It is probably similar, go ahead with the compression test but a bad head gasket will cause low compression.
What did you replace and why was it a problem?
I replaced the head gasket. It was a problem because it failed.
I tipped my mower the wrong way and oil came outta the air filter hole and now it wont start. Any suggestions?
It might of sucked oil in the carb. Tilting it shouldn't do that because the reed keeps the oil in.
@@chriss4365 so clean the carburetor?
@@justinbathurst6640 look in the carb and if you see oil then yes its messed up.
What is part number for new reed valve assembly ?
Sorry for the late reply. Search online for the part. I got it from sears but their now out of business.
I change the reed of my lawnmower and it still leak oil thru the breather, any help be great
try changing the head gasket.
What the heck is that Bubba Rig at the begining of the video???
It was a custom oil catch can.
My troy bilt riding mower doing this and it's leaking in the carb everywhere
Did you get it fixed?
@@chriss4365 no I traded it for a 15hp 420cc lifton engine for my mini bike lol
@@highlightzilla9581 Nice
How do you buy that part
The parts are hard to find now.
Is this a craftsman lawn mower??
Briggs and Stratton.
Lightweight is good and what did I use it for it’s a lawnmower th-cam.com/users/postUgkxTPN04aT-Qdjr_KS3ql7ng8wnU3wwsCqk also recommend Yes it is lightweight so hence not as robust as our old one. But if you take care it does the job really well.
Which picture?
I own a lawnmower with that same engine. 9 times out of 10 the engine barely picks up the gas and will not start. After roughly 10 pulls of the rope the engine will start. The cylinder head is tight and so is everything else. What is causing this?
What do you mean by tight?
I mean the bolts that hold the cylinder head on the engine even though it is OHV are tight. I mentioned that just in case you would tell me to check those bolts. What else would cause the problem I described?
@@brianmott728 someone probably used red thread locker. You will have to heat each bolt one at a time to try to remove them.
There is no thread locker on the cylinder head bolts. I removed the cylinder head to examine the valves and they look like they are fully seating. What else would make the engine so difficult to start 9 times out of 10?
@@brianmott728 vacuum leak in the carb or intake manifold. Worn rings or leaking head gasket
Ok I”ll be a monkeys uncle if you pulled off that flywheel that easy, I’m stilling looking for the puller that will fit down inside the flyer pan. I might just have to go from the bottom.
No it wasn't that easy I was trying to show what I did to get it off because I didn't film that part then realized oh I should of filmed that part.
What is that flapper piece called?
A reed valve
What is the reed?
Porque tira aceite el motor de podadora.7.7.5
Depende, podría ser una junta defectuosa, una lengüeta defectuosa, un sellado de grietas defectuoso o una junta de culata defectuosa.
how come your breather tube is connected to the bottle of liquid?
I made that to catch the oil, a temporary testing gadget.
@@chriss4365 does it work? my mower leaks oil from that tube into the air filter and throws smoke everywhere then dies after 20min. I thought it was a gasket or breather reed and am checking those now, but I was confused at why the breather tube was directed to the air filter in the first place since you really don't want oil in the carburetor..
@@RED-dr6eu no I fixed the leaking it was a bad head gasket. That tube goes in the intake normally it recycles blow by back to be reburned the reed only let's the pressure out but if it's too high the oil will get out.
@@chriss4365 oh okay that clears quite a bit up for me thank you!
@@RED-dr6eu I think that people watch it just to see the oil catch can lol. Yourwelcome.
Kohler 675 XT series is spitting oil out of the air filter how do I fix it
Pray Up I would start by checking the head gasket if it's easily accessible on your mower.
Pray Up head gasket, they all do it on that model.
th-cam.com/video/P-ElXfNDTjE/w-d-xo.html
And it’s diagnosis vid link in the description.
Awesome thanks
How come you never give info on 17hp kohler series 2 I type in my info and I get a push mower
He means aluminium 😂
chriss4365, I put a link on one of the vids you did where you asked how mower turned out.I will here as well.Being seems fit here.My leak is about like one you have.Although I am no gasket wiz, upon my eye the head gasket on my mower looks ok or is it? I made the vid for you and others for thought on where to aim.Also curious why so much carbon build it on piston etc.The mower appears not used much yet I see a good amount of build.Any event, the head gasket is off for inspection to help.I'll await for thoughts for I continue on mower.Heres the vid.... m.th-cam.com/video/BrgOKaBLgZM/w-d-xo.html
Ik this was 2 years ago but damn son learn how to put gasket maker on the right way, that was way to thick lmfao 🤦♂️
Why does it really matter if it was too thick?
@@chriss4365 not much but if it's a valve cover or crank case gasket if it's to thick sometimes it can get in the oil inside the engine and clog things up the area you did wont hurt anything being that thick
@@conner5611 good point, that is why I prefer to order factory gaskets i only used the stuff their because they did not make a gasket for the reed area. The gasket maker is messy and a pain to use better using the gaskets.
Podadora tira aceite motor 7.7.5
?
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Bogus bogus video. You didn't even fire it up
Todd Bearden what is bogus, it is running in the beginning. If you read I mentioned that the head gasket was the issue not the Reed valve. This video shows you how to change the part so don't say that it's bogus. The video shows what the name implies. The Reed is usually the issue but in this case it ended up being the head gasket causing excess pressure on the Reed making the oil come out.
chriss4365 yeah I saw that but it would have been nice to discover that with you. If you would have fired it up after you put the new Reed in and it still was doing the same thing then we could have experienced it with you. That makes for a good video. I felt like I got cut off at the knees : |
Todd Bearden ok but don't call something bogus because it didn't include footage you think it should have.
Hello Chris 4365, question: did you actually replace the Reed valve?
chriss4365 my opinion and I'm entitled to that