If it's stuck for another reason, say a spun bearing, then perhaps you may have other thoughts of freeing the engine. « on: 12 March 2009, 08:43 PM » A friend of mine has an old P76, he's actually the father of a guy I used to work with. I cleaned out all of the Penetrating Oil and Parts Blaster that I'd sprayed into the cylinder and then put maybe 2 cap fulls of 2-cycle oil into the cylinder; it sat for maybe 3 hrs. Tom 07-19-2006, 07:49 AM #2. 5.0 out of 5 stars With PB Blaster and these tips, u can usually remove a seized nut or bolt. After watching a few of these videos, I began to hear the name of a familiar product being mentioned over and over (PB Blaster). I got the top part of the the cylinder head off. Whats the most effective method of un-seizing a two stroke engine? WD-40 is one of the oldest remedies for lots of frozen parts, but there are other better solutions. Thank God winter is coming because if I was in a rush to get this done I'd be really pissed, it's a long ass process! With reducing agents and anti-oxidants, the oil film left displaces other stored materials, cleaning the insides to help minimize friction and to be loosened freely without needing excessive force. Re: Is PB Blaster useful on seized engine? Thanks and sorry for the lengthy story! Seized Lawn Mower Engine Fix (PB Blaster) Jun 7, 2018. Leave a Reply Cancel reply. It also contains a non-evaporating lubricant that saves time and equipment and protects against further rust and corrosion. The primary role of the penetrating fluid is to loosen a… You can also use a butane torch, but it's a little cheaper and easier to go with the propane. I''ve unstuck a couple engines this way. Join Yahoo Answers and get 100 points today. The keys to freeing the engine are to reduce the air pressure within the engine's cylinders and to reduce the amount of force necessary to break the piston free by disconnecting the components that the engine turns, such as the alternator and power steering pump. (Single cyl, air-cooled, OHV.) Re: Breaking loose a seized engine I extracted the crank out of my Studebaker engine. That motor was stuck for at least 10 years . can't turn over the engine. Squirt in some more PB blaster (less evaporative than WD40). PB B’laster Penetrant – Part #’s: 128-PB, 5-PB, 55-PB & 4-PB-DB, PB Penetrating Catalyst – Part #’s: 16-PB, 16-PB-DS, 8-PB, 8-PBS, PBTS, 20-PB, 26-PB, PB Penetrating Catalyst – Part #’s: 128-PB, 5-PB & 55-PB, PB Penetrating Catalyst – Part #’s: 16-PB, 8-PB, 8-PBS, PBTS, 20-PB, Protects Against Further Rust and Corrosion, Use on Automotive, Industrial, Marine, Plumbing & Other Equipment, Anything Rusted, Corroded, Stuck or Frozen. I''ve unstuck a couple engines this way. How to unlock a seized engine without tearing it down? Thankfully, just because an engine has seized does not necessarily mean that the entire engine … A common scenario when working on bicycles is steel hardware stuck in aluminum frames. including a 389 that been seized for 11 years and it ran after that. The old engine is seized so I cant rotate it to get to the TC bolts. For about 10 minutes.. Then leave the plugs out and put a breaker bar on the front crank bolt and give it a push. Next, you must lubricate the engine, with products such as WD-40 or PB Blaster. Slowly try working the plug loose. Are all the cylinders seized or just one or two? I was able to see part of the cylinder wall / ring through the mount for the muffler, and I did see some gouging on the piston / ring. If you think your engine is seized, you need to confirm that before doing anything else. soak the cylinders with a product known as PB blaster. On the small engines most of us are working on you can bet that if you can’t rotate it by hand, it’s probably seized. It got LOTS of crap out of there and I think will help the pistons slide once I get 'em moving. After spraying PB Blaster on fused parts, ... What is the Best Penetrating Oil for Seized Engine? PB Blaster, Marvin's Mystery Oil, or something else? L.RUSS. my approach to seized engines that sat in junkyards for 30 years, has always been brute force oriented- remove heads, oil pan, as many pistons/rods as would come out, then grit blast rust above piston, lube, and try to pound out piston- if it didn't come out, then drill a number of large holes in piston top, so piston would collapse when I hit it with 6 foot long pipe and sledgehammer. Pull on the starter rope. ? In my experience most penetrating oils (PB Blaster is my personal favorite) work well when dealing with iron oxide (rust). about 1/5th the time it would take wd-40 to do the same job and in the end a better lubricant as well. Always love a good engine problem What condition was the engine left in when last turned over, is there oil in it still, or water? Thats where the penetrating oil for rusted bolts come into play. Might just be only one cylinder with the issue. in the last week I have freed stuck rings and loosened the Flywheel on the '73 6hp I'm fixing up. Are you a Vocational Instructor or Student? Reply. fyi, WD is NOT the same Reviewed in the United States on June 14, 2017 Great stuff for seized … i heard tranny fluid in the spark plug holes is real good,what is your opinions people? #10. ... FYI — after I got it working, I only ran it for a few minutes, and then changed the oil (again) to get the PB Blaster out of the engine as much as I could. Next go to the automotive store, and buy a can of carburetor gum-out. The engine was seized and would not budge. So what sort of secret formulas do you folk suggest? Copyright © 2020 B'laster LLC      Privacy Policy      site by radius. fyi, WD is NOT the same Reviewed in the United States on June 14, 2017 Size: 11 Ounce, (Case of 1) Verified Purchase Will I be able to repair my leaking roof on my own? On larger engines you’ll want to use a breaker bar to see if it will turn. On the small engines most of us are working on you can bet that if you can’t rotate it by hand, it’s probably seized. Thankfully, just because an engine has seized does not necessarily mean that the entire engine must be rebuilt. Engines rarely seize, but when they do, it is almost always due to a long period of nonoperation. Normally you let the engine sit for a few days before starting the restoration process. Ive got the rockers and plugs out, and LIM off. The previous owner swears it ran when it was parked. is it possible to bypass egr switch for a 220 cdi mercerdes benz 2008 model. let it sit for 24 hours, then try using a breaker bar to turn the engine over. Assuming everything is okay with the crankshaft, the easiest and cheapest thing to try is penetrating oil. Automatic transmission fluid works wonderfully well for dissolving gummed up oils, and it's cheap. I also put a wire brush on the die grinder and attacked the really rusty bores. I use PB Blaster. For the sake of clarity I will number the cylinders 1-2-3-4. I got this vehicle as payment for moving a piano. 3) Let it … If so click here! Often seized pistons will free themselves when the engine cools down, but apparently yours didn't do that, so the simplest fix (and the quickest, unless you want to spend a lot of your own time working on it) is "don't bother taking anything apart, just replace the whole engine". if it doesnt turn over, then soak the cylinders for another 24 hours, be liberal with the penetrating oil. Is this engine in a car, tractor, field, garage??? I read in the Nov/Dec 99 issue of Antique Automobile how a guy found an old sprint car and after discovering the engine to be seized, he poured Marvel Mystery Oil in the cylinders and down the carb. I decided to test the PB Blaster and Kroil on the motor to find out which one actually worked the best. I used some stuff called PB blaster on a 4 cylinder New Holland backhoe that was run out of oil. I tapped on it a bit with the wood end of a rubber mallet. First, you must determine whether the engine is truly seized or locked up, which will require removing the spark plugs. This discussion seems to be based on freeing an engine that has seized due to rust and corrosion in the cylinders. Posted by u/[deleted] 7 years ago. Finally, you must get the engine moving again through the use of pressure or force. – alephzero Sep 16 '18 at 19:20 The PB Blaster I shot all over the top of the piston was coming out the exhaust port, so the ring is not sealing. Want to build this thing right and have it for a while . Check Price. They are not as effective with aluminum oxide. 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I have had old stationary, tractor, auto, and industrial, engines that mice have had a field day in, and mouse urine is not kind to old iron. The PB Blaster I shot all over the top of the piston was coming out the exhaust port, so the ring is not sealing. I friend just did 2 Ford 429 wind machine power units that had sat for 4 seasons and they unstuck them with a long pull bar. This is the time to soak the piston and cylinder with my mixture of carburetor gum-out and kerosene. Hey guys just picked up a 94 XJ6 with the 4.0 and the engine is seized. Next, you must lubricate the engine, with products such as WD-40 or PB Blaster. PB blaster in the cylinders and a day or so!!!! I'm guessing it's corrosive over time. Any engine cylinder with considerable rust will need to come apart. 5.0 out of 5 stars With PB Blaster and these tips, u can usually remove a seized nut or bolt. Penetrating oils may vary in their properties, but most of them should take effect within 15 minutes or less. in reply to Lance, 10-23-2003 09:51:55 I had excellent luck using it on my uncle's siezed wd allis. He's getting on a bit, 92 I think but he still loves tinkering with his old P76. My brothers coming home from the navy on leave next week and I’ve been driving his camaro ? I've used Parts Blaster & Penetrating Oil to free locked up 4 stroke engines on mowers.. can i use this method on two strokes as well? new jaguar XJ6 seized engine. I was able to see part of the cylinder wall / ring through the mount for the muffler, and I did see some gouging on the piston / ring. How Should Blaster 16-PB Penetrating Catalyst Be Used? Squirt in some more PB blaster (less evaporative than WD40). I pulled the injectors but didnt have to pull the drain plug as it was never tightened hence the run out of oil part. Kano The company boasts of selling its products to 480 of the Fortune 500 companies around the world. How can I shift a car from Gurgaon to Kolkata? One that comes to mind was a McCormick - Deering 10-20. I then typed in "how to fix a seized lawn mower engine," and Jackpot! One of my landscaping customers recently gave me a 1970 Merc 7.5. the piston grudgingly moved a bit forcing out some of the mystery oil that had settled below it. Can you roll back a digital odometer? I have 5 pistons/rods that are still stuck however. The other issue is probably due to a fuel pressure drop, most likely either from running on less than a 1/4 of a tank of fuel or the fuel filter is clogged. Marvel mystery oil is wonderful stuff. When an engine seizes, one or more pistons have literally become stuck against the cylinder's wall. I read in the Nov/Dec 99 issue of Antique Automobile how a guy found an old sprint car and after discovering the engine to be seized, he poured Marvel Mystery Oil in the cylinders and down the carb. Before you get out the sledge hammer and a block of wood and start pounding your meat there are a few things to consider. It does not take but a few minutes with PB Blaster in the chamber, But be sure to change the oil before you start the engine and when (not if ) The PB blaster breaks it free let it run a few minutes and Change the oil again. Thanks for any help. I think you have 2 different issues but the engine is not seized. Was stored in his shed for at least 10 years. Still have questions? I have unsiezed quite a few using WD-40. Re: Breaking loose a seized engine Brian - Our NAPA carries it. if it does not turn over I would say your screwed. Could do a quick blow by test with shop air to get a better grasp of the problem. I have ordered a big bore kit from ebay was told that it's not a true big bore it has a 68 mm piston . Take it slow - take out the plug and squirt in some PB blaster and let it soak in. Im going to dump a bunch of PB blaster down to try and free up the bottom end. So I'll have to replace at least the ring, maybe the cylinder too. FYI; if it is actually seized and you plan to rebuild this engine, remove the pistons and rings and scrape all the carbon lodged from the ring areas. Also going to Sears to buy a large breaker bar. I was wondering if anyone had a better way to free up the stuck pistons so I can knock them out and overhaul the engine. Since the engine squeeled and then seized, there is hope. Tomorrow, try pulling on the starter rope. I am a definate fan of PB blaster if that don't break it loose it ain't gonna get loose. Motor looks good, no signs of a lot of use. I have a 9K3 IH .The engine is seized from moisture.Can anyone tell me the best thing I can use to free it up?Kerosene or diesel fuel? Often seized pistons will free themselves when the engine cools down, but apparently yours didn't do that, so the simplest fix (and the quickest, unless you want to spend a lot of your own time working on it) is "don't bother taking anything apart, just replace the whole engine". Kano Kroil penetrating oil is about the best there is in the market. The #1-selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust and corrosion. First take the spark plug or the igniter out of the head and put the cylinder with the stuck piston and ring in a vertical position. What works reasonably well in ammonia. I squirted "PB Blaster" penetrant into the cylinders, and tapped the pistons lightly daily. One of my landscaping customers recently gave me a 1970 Merc 7.5. The front main seal is probably what is leaking in the front passenger side of the engine or the camshaft seal on the same side. Backyard's Rating: Check Price. If there had been a loud knocking noise instead it might be worse (a noise like the piston coming apart.) I squirted "PB Blaster" penetrant into the cylinders, and tapped the pistons lightly daily. Or is there something else? – alephzero Sep 16 '18 at 19:20 Get your answers by asking now. Im in the process of replacing engines. I don't know if that's from knowing the history of the machine, or if it's from an assumption. Then leave the plugs out and put a breaker bar on the front crank bolt and give it a push. The two outside cylinders (1 and 4) had the most corrosion, and I assumed they would be the toughest pistons to remove. Surprisingly, little in the way of structural rust, seems rebuildable. it is a penetrating oil that attacks the rust that has built up. I like to start the engine and let run for a minute so the head gets hot and spray the lubricant and while the head is still warm, try to remove the stuck plug. Oh, and PB Blast will cut carbon. I just picked up an Echo PB-500t off of Craigslist for $50 with a seized engine. I just started soaking the Buick with it, so we'll see if it helps. Car engines with a high-mileage can benefit from the penetrating oil for a seized engine as it will help to protect their moving parts, as well as standing the test of time in not freezing, melting or running off. Once it breaks loose, turn it over by … The first thing to do is remove the spark plug (s) and try rotating the engine. After removing the water, I took the gallon of PB Blaster and dumped some on top of every piston. Motor looks good, no signs of a lot of use. Spray PB Blast in the cylinders and let it sit, have a cup of coffee.... then work the crank back and forth.... it should free up the engine. Thanks. All these methods work only on lightly seized engines. I began looking on the internet for "how to fixe a seized motor," but most videos that came up were for larger car and truck motors. I know there's not much chance of unsticking this engine, but what would be best to put into the combustion chambers? To remove a really stuck bolt, get some good penetrant—nothing works like PB Blaster—and a propane torch, available at any hardware or automotive stores. Step 1. But! It does not take but a few minutes with PB Blaster in the chamber, But be sure to change the oil before you start the engine and when (not if ) The PB blaster breaks it free let … Is the engine seized because of neglect/rust/corrosion, or is it because of a mechanical failure like a broken crankshaft, thrown rod, spun bearing or seized piston from detonation, etc. and put in a new pcv valve too. The engine, OTOH, is–at least–stuck. It also contains a non-evaporating lubricant that saves time and equipment and protects against further rust and corrosion. leave it for a week, try and turn it over. I just got a 92 blaster for a winter project it has a seized engine? others will use the oven baking at 200 or 300 and that will melt away the castor oil as well but it will still be in the engine somewhere. From what I can tell, the piston is probably OK. Thanks I did not know that about the magneto ignition. But! It has some visible rust on it. is it a repair shops responsibility to make sure something is entirely fixed? Re: PB Blaster vs. Mystery Oil Anything stuck gets PB Blast first then a lub oil. the rings get stuck and can't turn so the engine loses compression. (or at least spun, he said fuel pump) has been out doors about 18 months. 2. But no harm trying one thing and, if that doesn't work, trying again. This is the time to soak the piston and cylinder with my mixture of carburetor gum-out and kerosene. I'd fill up the cylinders through the spark plug holes and let it sit at least overnight. Re: Breaking loose a seized engine I extracted the crank out of my Studebaker engine. Spray a good penetrating oil at the base of the plug. Your email address will not be published. Re: Help with seized / locked up engine. Current bike..1977 kz1000 1075cc kit,dyna everything,lotsa chrome,kerker pipe. The vehicle in question is a 2006 Chinese dirtbike with a 200cc Lifan engine. Tomorrow, try pulling on the starter rope. With the talks about cons of PB blaster, this product is almost perfect; even in the debate between PB blaster vs liquid wrench, PB blaster is far more superior than liquid wrench, with its affordability, consistency and efficient dealing with seized bolts. Keep us posted on your progress. Cams have a little surface rust but turn, but the crank won't budge. Best of luck :D Might just be an opportunity to pull the pistons and bore it over right? Since the engine squeeled and then seized, there is hope. One of its best penetrating oils for seized bolts is the WD-40 Multi-Use Product. If there had been a loud knocking noise instead it might be worse (a noise like the piston coming apart.) I have 5 pistons/rods that are still stuck however. Sight unseen; had been lying in a field for 3 PA winters and partially grown in. new jaguar XJ6 seized engine. Finally, you must get the engine moving again through the use of pressure or force. Safety Tip Used Redlead ( mixture used to clean gun bores) transmission fluid, Marvel Mystery Oil etc and nothing would work. I am a definate fan of PB blaster if that don't break it loose it ain't gonna get loose. 8. I've been dousing them with PB blaster and Marvel Mystery oil. (Read 7155 times) koan. 1979 DT100 with a seized engine. The engine is locked up and I told him we could at least pull the injectors and fill the cylinders up with PB Blaster or whatever? Penetrating oils have a low viscosity that enables them to seep between cracks and narrow spaces, leaving an oil film inside spaces. Put straight household ammonia in a spray bottle. [Log in to Reply] Frank 09-27-2003 15:18:49. Bought 3 cans of Engine Release, followed directions and waiting the appropriate time, and darn if the engine turned right over with a hand crank. Most importantly: 1. Archived. I emptied almost two and a half cans of PB blaster into the the cylinders and let it set for a week and it freed the engine up. Close. (was stored dry) still works great. « Reply #14 on: 25 April 2009, 01:58 AM » An update, my mate sucked out the remnants of what ever he had tried previously and put a can of PB plaster in the cylinders. I've been dousing them with PB blaster and Marvel Mystery oil. I pulled the injectors but didnt have to pull the drain plug as it was never tightened hence the run out of oil part. I used some stuff called PB blaster on a 4 cylinder New Holland backhoe that was run out of oil. Thank God winter is coming because if I was in a rush to get this done I'd … 2) Pick a solution to dump into the spark plug holes -- PB Blaster, Marvel Mystery Oil, Gibbs, Diesel Fuel, WD-40, etc., etc. Normally you let the engine sit for a few days before starting the restoration process. On larger engines you’ll want to use a breaker bar to see if it will turn. Normally when I use it (it is expensive about 100 for a gallon) it will free up the engine in a matter of an hour to 24 hours tops. The #1-selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust and corrosion. In no time, the PB Blaster leaked down the sides of two pistons, around the rings and to the cardboard on the floor. By getting the head warm, it … Take it slow - take out the plug and squirt in some PB blaster and let it soak in. Try PB blaster about $4.99 I have had good luck with it, get it at any auto parts store, if that doesn't work pull head and pound on pistons with block of … First, you must determine whether the engine is truly seized or locked up, which will require removing the spark plugs. Was stored in his shed for at least 10 years. big m: Posted 2009-12-18 6:15 PM (#201261 ... California: A mixture of automatic trans fluid and diesel fuel, or acetone will generally do the trick to a condensation-seized engine. (Check out some antique engine forums as you will find all sort of "magic" solutions that have worked for one guy or another.) Or is it dry, without oil? I emptied almost two and a half cans of PB blaster into the the cylinders and let it set for a week and it freed the engine up. Dump some wd-40, ATF, and PB Blaster down each cylinder and let it sit for a few days. Freed up a frozen merc outdrive 2 years ago. can't turn over the engine. Dump some wd-40, ATF, and PB Blaster down each cylinder and let it sit for a few days. PB Blaster is mostly naphtha and petroleum oil and has a preternatural ability to insinuate its way into minuscule spaces. Author Topic: Help with seized / locked up engine. It would help if I knew the situation a bit better. But, after sitting for 10 days or so, won't budge. First take the spark plug or the igniter out of the head and put the cylinder with the stuck piston and ring in a vertical position. Fill it up. W116 Addict; Posts: 3,316 ; Location: Melbourne; Help with seized / locked up engine. True penetrating oil is sold under many different brand names, including WD-40, PB Blaster, Liquid Wrench, and AiroKroil.This can be a little confusing, especially since brands like the WD-40 offer not only a true penetrating oil but also sell spray lithium or silicone lubricants.