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Lawn Tractor: Stall/Misfire/Runs Lean!
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- Опубликовано: 22 июн 2019
- Don't need a scanner for this one! But the issue is not as obvious as it might seem.
Let's get this faithful Craftsman lawn tractor running 100% again because the grass isn't going to stop growing anytime soon!
Enjoy!
Ivan
Fixing it "the Russian way." Hey it worked. You get today's shade tree mechanic award. Well done lad...well done. 👍
I love working on small engines. So much fun. No hiccups? Fixed! Well done Ivan. Thanks!
FREGGIN PLASTIC INTAKE MANIFOLD, WHO THOUGHT THAT ONE UP ? JUNK JUNK JUNK. GREAT FIX AS ALWAYS IVAN & NO PARTS REQUIRED DOING IT THE RUSSIAN WAY.
That's quite the view from your garage, very nice property.
As soon as you said the gaskets I was waiting for the RTV to come out.
Jonathan Gahan same haha!
I was thinking "is there any other way? "
Hondabond works absolutely amazing
I said the same thing crazy. He's fixing a mower not a Ferrari. rtv it then rock it till the wheels fall of
Fuel cap vent clogged.
Ivan, my MTD riding mower had the same symptoms , I had to replace the intake manifold, it was broken @ the carburetor mounting flange. After I replaced the intake manifold I also found the fuel line pinched on the hold down bracket next to the cylinder head, I replaced the fuel line, problem fixed. Nice video !!
And you did it without a scanner, great job Ivan happy 4th. Bruce Pender and DonnyBoy73 would be proud of you :-)
NO BONUS FOOTAGE? Love the bonus footage!!!😂🤣 THANKS for your great videos!! Ken
I love the bonus bonus bonus bonus footage lol
I was actually thinking of RTV before you came with it. I think it's good stuff. Great video. 😊
Overhead valves... ooh la la... you're fancy Ivan.
Thank you for the tip. Had similar issue, tractor would run fine for 15 min then stall and run lean. Replaced fuel solenoid coils plugs gas cap then pulled intake and added permatex now it runs great again 👍
often times I get repairs come in that are close to what you first described, mowers that run fine for @20min then just quit...let cool down starts and runs fine @20 min. later it quits. In those cases its usually the fuel is vapor locked (like holding liquid in a straw by capping the end) the fuel cap has a tiny vent hole that gets glogged not allowing the fuel to flow, mostly in gravity fed type systems but I have seen it with fuel pump systems as well. good find on yours, that happens a lot with chain saw intakes.
That was a fast diagnostic!
You said bye bye and I instantly said BONUS FOOTAGE in my head, lol.
A buddy of mine was having similar issues with his mower. We checked and cleaned the carb. Replaced the fuel pump and inline filter (Did improve some)He still had to use the choke to keep it from leaning out. It ended up being a long piece of fuel line. We noticed it was getting wet while the engine was running and he had to have the choke partially on to keep it running. His was a honda twin cylinder GXV620. His fuel cut off solenoid appears to be sticking at times also so we plan to replace that in the near future also. I love tinkering with small engines. I rarely pass up the opportunity to troubleshoot them. Nice job fixing 👍 that intake leak. I think the silicone was a pretty good fix.
Theres gotta be an OBD port on that thing somewhere....lol! Nice fix. Things like that are why alot of people throw out a perfectly good mower.
Nice work, Ivan! I love working on these things. It's stress free for me - everything is usually straightforward and simple, like cars were 40+ years ago.👍 When I get into these, I'm confident I can fix it ... unlike modern cars. 😂
Another issue that will cause the exact same symptoms is a plugged gas cap vent. When I saw the first minute of your vid, that's what
I was expecting. It'll run long enough to put the fuel tank into a vacuum, then die of fuel starvation ... only to restart moments later as air creeps back in through the blockage! That'll get you scratching your head!
I had a John Deere G110 with a Kohler Command 25 (CV730S) that this happened to. Was a tiny hole in the fuel cap for a vent. I mowed for a half hour, no problem - then it became ... mow 5 minutes, die, repeat. Took me a while to find that one, being super frustrated. As a last resort I grabbed my fuel can (figuring I'd top the tank off, thinking I had bad fuel), and as soon as I unscrewed the gas cap off the tank, I heard a "hiss". Bingo! I ran a drill bit through the hole a couple sizes larger after peeling out the rubber baffle, and it never happened again. Was dried up grass packed in the hole!
Another issue I had on that tractor was blown head gaskets after just 160 hours! That was a common issue with this particular engine. I was one of the "lucky" ones that had this happen out of warranty, since I only mow 20 hours a year ( I have a couple acres, but I mow fast and infrequently - you can see lawn care isn't high on my list of fun things to do, lol). Mine burnt up a quart every mow when it got real bad - I'd be breathing oil smoke the whole time. Pretty aggravating. I had paid alot of money for that machine brand new, and I work on stuff 30 years older all the time with 400x the hours, and zero engine trouble. Just the way of the 21st Century ... 😡 I got rid of that one after 9 years of ownership, and bought a Husqvarna zero turn 5 years ago. Cut my mow time down by 25%, at least! 👍 Only 79 hours on the deck so far (no engine hour meter - only a clutch-activated hour meter).
Excellent repair comrade, I expect nothing less from #1 downrange covert field operative
I have a 25 year old craftsman turbo twin that has run happy the whole time! Spark plug clean (and sometimes replaced) and carb clean every two years keeps it happy!
Good tip thanks for sharing Ivan!
Oh yeah. That's so Russian way of RTV fix!! Awesome bonus footage! That's so Ivan' s legendary style:)
Nice job, Ivan.
Neighbor had an LT1000 with the same issue. Would heat up and stall out after 20 minutes, with his it was the fuel solenoid/fuel line. Next time it acts up I'll definitely try this.
Ivan the problem with the mower clearly points to a lack of rain. Lol you are amazing. What will be in the next wideo? One can only guess. Enjoy your weekend 👍👍👍
yes any engine runs the closest to stocheometric efficiency when it rains 14.2:1
I just noticed you now have fifty-eight thousand subscribers congratulations man awesome work slowly but surely you're grinding away you'll be to a million in no time
Thanks for the motivation! And a big THANK YOU to all my faithful viewers like you!!
I use RTV for everything. For the price fixes a lot of problems. I've even used it around bathtubs and kitchen fixtures.
Great fix, and economical as well
I wondered if you would smoke it, though the engine would need to be warm. Glad it worked out, a little unusual for it to worsen as it warmed up.
Well there’s your problem mister.... it’s a Craftsman.....Need to get you a Wheel Horse! I’m down to 4 of them, my oldest one is a ‘72 and it will out live your 06.... guaranteed.
Great Video Ivan!
If you wrap the gasket joints with a strip of duct tape, you don't have to take them apart or look through your shop trying to find the RTV. Good job, Ivan.
Not a bad idea! I use the gray RTV all the time so I know exactly where it is at all times haha
Really Ivan? Propane??? No no....BRAKECLEAN !lol Take a page out of Eric O`s book. Works every time on vacuum leaks, finds them fast. Old school trick. Love it when the RTV showed up to the party! No parts! Great vid Ivan
My 14 year old john deere is doing the same thing. I've changed all the filters, replaced with very high quality spark plugs, changed the oil and cleaned the carb. Only use premium gas with no ethanol. Going to try this next. If this works, I owe you dinner.
your better off with a water spray. that propane with the flywheel ya might as well pee into the wind. truthfully never seen intakes do that but it is possible. that has hydraulic lifters and are prone to pump up. thats why they only recommend 10w30 only. also you had the two wire coils which means it had a sam module (spark advance module) these were notorious for intermittent failure and since it only did it hot this could be a problem. kohler wants you to change both coils and dump the sam module (nla) if one goes bad. also the carb has a sollenoid on the fuel bowl. they go bad. thing is it only operates the high speed circuit so it will do exactly as described, start and idle but no high speed without the choke. thus why they say in the owners manual to shut it off with the throttle half way or higher. if ya dont youll get gas in the muffler that explodes. replaced many a muffler because of that. glad to see its runnning good but if it acts up those are some things to check.
junk needle/seats on the gravity fed engines with tank up high are critical on fuel filter type.. solution install fuel shutoff valve or it will flood the engine, fill the exhaust, lock itself up etc...
the above mentioned valves often stick closed and the thing wont run period... root cause good old ethanol and other detergents ;)
Thanks Ivan, I learned something!
Super video. 👍
Have a great summer!
Hey, at least it's sensor-safe RTV. Don't want to mess up those oxygen sensors ;)
lol!!!
Excellent video Ivan. I actually do small engine repair. Never seen someone use rtv to seal a gasket though.
Really? RTV is used on a lot of gasket applications!
well on a lot of vehicles today there are no more oil pan gaskets or upper or lower Intake manifold gaskets it is gasket sealant, trust me on this.
Another great video Ivan, even tho I dont have a lawn, lol!
Ah well it's nice to look at but requires a lot of maintenance ;)
IVAN = thanks for posting this vid.
Another good video, Ivan! Been a while for me watching your videos. Glad to be back! Lol #vaccummleaksfordummies 😂
When my "Lawn Tractors" start overheating and malfunctioning in summer i just make sure they get a good shearing.... Baaaaaaa
Lmfaox10
For a 2006 that’s not bad if this is first issue. I love the craftsman mowers they are great. Sometimes my generator is like that and I need to figure it out, runs on propane no problem but difficult on gas.
At 7:03 you said you mowed 10 minutes, I assume with the fan shroud off. If you are going to test run the engine for long periods put the fan shroud on as it directs cooling air from the flywheel fan over the cooling fins on the cylinders. No fan shroud = possible overheat.
Nice job
Your Lawn is the size of New Hampshire !
I think you’re going to get hammered for the RTV.
🔨🔨🔨🔨🔨⚒⚒⚒🛠🛠🛠⛏⛏🔨🔨🔨🔨🔨🔨⛏⚒🛠⚒🔨🔨🔨No Hammers where harmed in the making of the Video..
Great Job Ivan👍👍The simple cheap fix is always the best...Although I hate RTV it does have it's uses especially when you don't have the part to hand.
That symptom is common with a gas tank vent problem too. Especially on California models.
I had a lawn mower that was messing up for a whole year. When I finally tore into it, it was just tight valves.
Pyccknn ingenuity 👍😁🤞, if it works don't mess with it, if it don't RTV it. Probably work on my scooter, which is lagging... Thank you very much.
9 thumbs down clearly 9 viewers don't live in the real world, it isn't a mega complex Mercedes F1 engine it is a lawnmower and the fix works.
When using RTV I leave the O-ring out.
Got a tractor for free, had to adjust the carb for altitude, CO poisoning is a real hazard with these engines.
Having been in the business many years , CO exposure is nasty stuff. I lost count of events involving CO, having a headache for days is worth avoiding. Any motor running rich is a huge source of CO, no computer, no fuel management equals CO.
Make sure it's outdoors, if you need to deal with a carb, work outside.
Think this is a sign, Fiance yelling at me to mow the lawn. Then you post this video.... hmmmm. Want to come over the mountain and mow some more LOL!
Ivan, no cowl, no cooling. Be careful about extended run times without all of the tin installed.
You have 5 more parts in this case study. I will be waiting...
I have one of those metal bottles that u pressurize with shop air. I use gasoline to find vacuum leaks. Have been doing for twenty years. If your nervous don’t do it. It is also great for spilled oil on the floor and spraying gooky oily wet bolts and threads. For those Nervous Nellies. The propellant in all these spray things we use is usually something like iso butane. Carb spray, brake clean and W-D40 r all extremely flammable. To test and become accustomed to how it reacts to flame, when we have a nice little fire in the backyard, I spray into the fire and watch how it burns. Propane has never worked for me finding vacuum leaks. Put your scan tool on obd 2, short term fuel trim. Watch the numbers while giving a little toot. Works great. U didn’t hear it from me. In the old days, they used Freon as the propellant. When that stuff burns u get phosgene gas. In WW1 they called it mustard gas. Pretty tuff on the lungs.
Good tip. Thanks man.
I had a similar problem, but my Craftsman 26 hp mower would die after 15 minutes of mowing. Turned out to be my gas cap wasn't venting (allowing air into the gas tank). I drilled some very small holes in the rubber sealing area of the cap and never had another issue. I also leave it just bit loose...
You need to look at the coils . They have diodes between them. When they leak causes that problem. Unplug the coils and see if it clears up.
My Briggs & Stratton intek 18 horsepower V-Twin has cast aluminum intake plus my fuel pump is made out of metal casing. The difference between retail and commercial use motors.
"The bigger the gob, the better the job"
Thats better then valve guide coming out and Bending the pushrod like on mine.
ouch how much are the eng rebuild kilts for those eng's? $100? $200?
just to add to the possible causes to look at, I once had a mower that had a similar problem, It ended up being caused by a faulty fuel on/reserve switch. The switch had a leak which caused the fuel pump to suck air and after a while the air pocket would build and make its way to the carb causing it to run lean and almost stall.
Now i expected you to say p0171 bank 1, running lean ha ha.
The russian way lol, i must be part russian as i've done some dodgy fixes :-D, like using the back of a cornflakes box as gasket paper, it worked for me.
But not for a head gasket on a motorbike, yes i'm daft enough to try it :)
I'm always amazed how often a bodge that was only supposed to last a day ends up lasting years lol.
Intake leaks will get you every time. A number of years ago I bought a nice-at-the-time concrete partner saw. Basically, these are two-stroke chainsaws with a diamond circular blade replacing the cutting chain. The price was absolutely a deal of deals. But, the seller's demo just seemed a bit off. Three minutes into the demo, it ran out of gas and he took forever to walk back to his shop (loads of ATVs and such in-process of repairs) to retrieve gas.
Once home, I fired up the saw and attempted to cut sections out of the sidewalk needed for new downspout-to-curb runs. Once the engine got hot, it died. It wouldn't restart until cold again. I went through that thing with a mechanic's fine tooth comb a half dozen times. It's not like they're that complicated...
Finally, after another head scratching session of problem determination, I noticed fuel in the chassis where fuel shouldn't be under the carb-to-intake boot. "There's your problem, lady!" A small boot tear sealed while cold. But, once warm, allowed air in to the combustion charge downstream of the carburetor.
A buck or two for a parted out intake boot off eBay and the thing now runs like a scalded greyhound.
The guy that sold it *knew* of the issue hence the long retrieval of the gas. Would have loved to drop him a line letting him know I found the problem and fixed it for a couple of bucks. Of course, I'd hold back it took me hours upon hours to find.
Most of success is sheer tenacity.
I have heard that the John Deere 318 tractors have an issue similar to this but it is from the intake being two separate halves. The rtv deteriorates and causes weird issues similar to this. I think that there are some other models that use the Onan engine that could have that problem as well. I have a 318 myself but have not seen the issue....yet.
Yes, the Onan twins did have that issue. I had to reseal the intake on my Case 446 with the Onan BF engine, and also on the Onan P224 on my skidloader. I used Permatex Moto Seal, similar to Yamabond. Designed for case sealing.
The vent in your gas cap is clogged. You have vapor lock in the fuel tank.
I followed your instructions, everything turned out great except one thing. The person we bought the rider messed up the little screw the hold the flap. Now we are having a hard time looking for one.
When I quit working on cars, I went to small engines. I opened my own shop and was never better. Finding issues like that makes me happier than I ever was working on cars. Now I cannot do a shop because of my health but still enjoy working on small engines as a hobby. I buy up problems like yours and find and fix them.
I'm having a similar issue with my 1980 John Deere 214 with a single cylinder Kohler engine.
Only wants to run with full choke (at first, half-choke did the trick), and won't run with PTO engaged now.
It's been a fantastic lawn tractor, but this had me scratching my head.
I too, thought it might be an intake leak.
Some people suggest a fuel pump, or gunk in the carburetor....Personally, I think it's much more likely to be a vacuum leak at the carburetor gasket.
Definitely take out the main and idle jets to make sure there is no gunk in the orifice.
Must be an older model or low series number as there's no OBD2 or CanBus to plug the scanner into. My hopes are dashed again. Bugga !!. 👍👍🇦🇺
I have seen the stock fuel line collapse on the inside and starve the engine. Runs great cold, but when it warms up the line will swell. A bitch to find. I just happened to grab hose with it running and felt the knot where it came apart on the inside.
RTV sealant has got me out of trouble on many automotive applications,for example, I stopped the thermostat cover which had some pitting in it & it was allowing coolant to leak past the O ring on a 5.7 litre Chevrolet LS1 V8 engine that's in my Holden Commodore, I applied a smear of silicone sealant onto the water pump gaskets to minimize the chance of them leaking as well.
Yes, I have Russian in me which was both of my mothers parents & my father is if being part Armenian counts as being Russian !
I cut down on the amount of mowing I have to do by erecting a temporary fence with those push in stakes and bring the horses up into my yard. Just a little clean-up with the manure fork at the end of the day and I'm good for the week.
haha I should suggest this to my wife. She's good at scooping up horse manure!
Ivan when it is time to put the craftsman aside, switch to a zero turn mower it will greatly shorten the time it takes to cut the grass. when my children moved out and I had to cut the lawn, three hours on my craftsman to do the job was just way to much time, i do it in less than an hour on the zero turn.
Wow which model zero turn did you get?
@@PineHollowAutoDiagnostics I picked up a used Simplicity Citation that was in need of repairs, it is the same as the Ferris 1500 Z it is a commercial model. it had 300 hours of run time on it. The attraction of this brand is they have a suspension, and i also added a suspension seat system. it is capable of cutting lawn at 9 mph. I dont cut that fast. the suspension was important for me. I paid $2000.00 for it 4 years ago. and it has been an excellent mower. build quality and materials used definetaley built to last
Nice, Todd! I'll have to look into the used zero-turn options :)
...good video Ivan....thanks for posting....did you put RTV on both sides of the o-rings?
Had same issue with mine and it was a loose carb, tightened the two nuts in front under the air filter an off you go.
Of course check fuel lines but yes gaskets carb, intake, maybe just retorque. Or just fix it with a cigar.
yeah the scotty kilmer way no need for a smoke machine but you can make yourself one out of a paint can and alligator clips big enough to fit on the battery terminals or posts.
Ah yes. RTV. Russian Tractor Verified.Nice fix at the best price😃
Spray a little soapy water around there and see if it bubbles to find the leaks.
On mine it was that little fuel filter
All those mowers that size (Sears, Husqvarna, John Deere, etc) are all made by MTD.
Sears, Husqvarna, and Poulan are all AYP. Not MTD (Major Turd Design). AYP used to be Roper.
"We're going the Russian way". That was funny. You have a beautiful place Ivan.
Hello, I believe my John Deere is running on only one cylinder. It has less power now and wants to bod down or shut off when I get into some high or thick grass. The power this year is much less that last year. What happened? Is this something I can fix or should I buy a new tractor? I have almost all new parts on it. Selenoid, fuel filter, fuel pump, coils, all new wiring harness, new battery, new plugs, new PTO clutch, new mower deck belt and spindles.
I've seen a lot of those with cracked plastic intakes, right at the seams. I suspect a vibration issue over time along w heat causes this. In your case, this was not the issue. Buy the new o rings for a long term fix!
lol yup i made the same comment before seeing this
Even plastic upper Intake Plenums crack over time on vehicles and on a lawn tractor they are not made from the ABS Plastic probably now recycled plastic,🤣🤣so you definitely know it will crack a lot faster I know my 12 yo push mower has a ABS intake manifold on it but the mowers and tractors of today I dont really know i am sure they are ABS plastic but with recycled plastic too I guarantee this.
i was thinking rats nest and over heating my tractors dont have plastic intakes.seems to be good now .carb kleen ,water spray,would probaly better choice,thinking lot wind from flywheel.
Same exact problem on Toyota Corollas, Ford Explorers :lol:. I just replace those on my 96 4.0 Explorer.
No codes stored for those gaskets?😂😂😜
LOL Dan! Much simpler than a Hybrid ;)
yes po174 Dan,🤣🤣🤣
Russians invented vodka, go figure, and the beat car cash videos on planet earth!
Coincidence that the RTV fixed that imaginary intake leak. Could be fuel pump/pulse pressure issue also. Clean the vent in the gas cap with a micro drill bit.
Good thought, but the scientific proof is very convincing that the intake leak was not imaginary for 2 reasons:1) Fuel pumps and gas tank caps typically don't fix themselves.2) Tractor has run flawless for three mows after the RTV repair. Actually I just got done mowing haha
замечательно!!!! wonderful!!!
@
Pine Hollow Auto Diagnostics I enjoy your humor & wish you luck with the Silhouette! I saw on a tv show maybe you find someone with a 3d printer they could make a replacement part! because parts is parts!! good luck, Ivan!
no parts required. I used to have a volvo s60 that gave me air leaks at the gas cap. gasket was pretty ratty... I packed it with Vaseline.. no parts required. code never came back..
LOL PRIME THE RUSSIAN WAY ! Good Job Ivan!
I had to do this on my buddy's 1985 Kawasaki Eliminator 900. But I used acetylene. No propane handy that day. 👍👍. Identical symptom. 😉 Oh yeah what kind of minibike was that poster? Knowing you it was probably a Yamaha. Moto.
It's a Honda MiniTrail 50cc :)
@@PineHollowAutoDiagnostics wow. I had a Honda mini trail Z 50.
Vacuum leak ... adjust valves ...?
Nice ! No waveforms ? LOL !
What do you think the odds are this working long-term? I was always told that silicone-based products and gasoline don't go well together as the gasoline will break down the silicone product. Oil okay gasoline not. Now I don't know if newer products since I've been messing with this are different nowadays?
I'll let you know if it acts up again :)
yes taz there are different rtv's now for coolant, gas and oil and even for exhaust manifolds so go to your local parts store and check them out.
but there isnt any oil or fuel anywhere near the intake manifold the gray one is fine for sealing that area no type of liquid goes through that area now if it springs a fuel leak it may break down that gray rtv possibly.
May be a problem removing the RTV later on. For now it works.
Never need to remove it...just add more lol!
Replace the intake manifold and gasket too
That things made of plastic it’s probably breaking too
Sweet