I just got a 92 blaster for a winter project it has a seized engine? 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. soak the cylinders with a product known as PB blaster. 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. 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? 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. Next, you must lubricate the engine, with products such as WD-40 or PB Blaster. 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 heard tranny fluid in the spark plug holes is real good,what is your opinions people? Freed up a frozen merc outdrive 2 years ago. Sight unseen; had been lying in a field for 3 PA winters and partially grown in. #10. WD-40 is one of the oldest remedies for lots of frozen parts, but there are other better solutions. Whats the most effective method of un-seizing a two stroke engine? One of its best penetrating oils for seized bolts is the WD-40 Multi-Use Product. I've been dousing them with PB blaster and Marvel Mystery oil. They are not as effective with aluminum oxide. 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. Re: Breaking loose a seized engine I extracted the crank out of my Studebaker engine. in the last week I have freed stuck rings and loosened the Flywheel on the '73 6hp I'm fixing up. Also going to Sears to buy a large breaker bar. Or is there something else? 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. 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 . 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. Tomorrow, try pulling on the starter rope. 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. PB blaster in the cylinders and a day or so!!!! The PB Blaster I shot all over the top of the piston was coming out the exhaust port, so the ring is not sealing. (Read 7155 times) koan. The old engine is seized so I cant rotate it to get to the TC bolts. PB Blaster, Marvin's Mystery Oil, or something else? What condition was the engine left in when last turned over, is there oil in it still, or water? 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". Thanks I did not know that about the magneto ignition. « 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. – alephzero Sep 16 '18 at 19:20 Normally you let the engine sit for a few days before starting the restoration process. (Single cyl, air-cooled, OHV.) the piston grudgingly moved a bit forcing out some of the mystery oil that had settled below it. and put in a new pcv valve too. W116 Addict; Posts: 3,316 ; Location: Melbourne; Help with seized / locked up engine. in reply to Lance, 10-23-2003 09:51:55 I had excellent luck using it on my uncle's siezed wd allis. The PB Blaster I shot all over the top of the piston was coming out the exhaust port, so the ring is not sealing. In no time, the PB Blaster leaked down the sides of two pistons, around the rings and to the cardboard on the floor. I''ve unstuck a couple engines this way. Backyard's Rating: Check Price. including a 389 that been seized for 11 years and it ran after that. This discussion seems to be based on freeing an engine that has seized due to rust and corrosion in the cylinders. 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. 8. 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! Surprisingly, little in the way of structural rust, seems rebuildable. Still have questions? can't turn over the engine. 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? Penetrating oils have a low viscosity that enables them to seep between cracks and narrow spaces, leaving an oil film inside spaces. 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 … 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. It has some visible rust on it. leave it for a week, try and turn it over. Dump some wd-40, ATF, and PB Blaster down each cylinder and let it sit for a few days. 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. 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. PB Blaster is mostly naphtha and petroleum oil and has a preternatural ability to insinuate its way into minuscule spaces. Motor looks good, no signs of a lot of use. It would help if I knew the situation a bit better. I pulled the injectors but didnt have to pull the drain plug as it was never tightened hence the run out of oil part. Current bike..1977 kz1000 1075cc kit,dyna everything,lotsa chrome,kerker pipe. After watching a few of these videos, I began to hear the name of a familiar product being mentioned over and over (PB Blaster). 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 … First, you must determine whether the engine is truly seized or locked up, which will require removing the spark plugs. He's getting on a bit, 92 I think but he still loves tinkering with his old P76. I've been dousing them with PB blaster and Marvel Mystery oil. Best of luck :D Might just be an opportunity to pull the pistons and bore it over right? 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. 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. I have unsiezed quite a few using WD-40. Author Topic: Help with seized / locked up engine. On larger engines you’ll want to use a breaker bar to see if it will turn. Keep us posted on your progress. it is a penetrating oil that attacks the rust that has built up. 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. How can I shift a car from Gurgaon to Kolkata? Ive got the rockers and plugs out, and LIM off. Once it breaks loose, turn it over by hand a few times and then throw a battery in it. Engines rarely seize, but when they do, it is almost always due to a long period of nonoperation. Finally, you must get the engine moving again through the use of pressure or force. 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. I''ve unstuck a couple engines this way. can't turn over the engine. Thanks for any help. On larger engines you’ll want to use a breaker bar to see if it will turn. Penetrating oils may vary in their properties, but most of them should take effect within 15 minutes or less. Was stored in his shed for at least 10 years. Used Redlead ( mixture used to clean gun bores) transmission fluid, Marvel Mystery Oil etc and nothing would work. 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. Leave a Reply Cancel reply. I tapped on it a bit with the wood end of a rubber mallet. I think you have 2 different issues but the engine is not seized. First, you must determine whether the engine is truly seized or locked up, which will require removing the spark plugs. the rings get stuck and can't turn so the engine loses compression. The primary role of the penetrating fluid is to loosen a… I just picked up an Echo PB-500t off of Craigslist for $50 with a seized engine. 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. Assuming everything is okay with the crankshaft, the easiest and cheapest thing to try is penetrating oil. (Check out some antique engine forums as you will find all sort of "magic" solutions that have worked for one guy or another.) If it's stuck for another reason, say a spun bearing, then perhaps you may have other thoughts of freeing the engine. Safety Tip Tomorrow, try pulling on the starter rope. Then leave the plugs out and put a breaker bar on the front crank bolt and give it a push. Get your answers by asking now. Can you roll back a digital odometer? One that comes to mind was a McCormick - Deering 10-20. It also contains a non-evaporating lubricant that saves time and equipment and protects against further rust and corrosion. Automatic transmission fluid works wonderfully well for dissolving gummed up oils, and it's cheap. This is the time to soak the piston and cylinder with my mixture of carburetor gum-out and kerosene. Or is it dry, without oil? Thankfully, just because an engine has seized does not necessarily mean that the entire engine must be rebuilt. is it possible to bypass egr switch for a 220 cdi mercerdes benz 2008 model. The engine, OTOH, is–at least–stuck. 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. (or at least spun, he said fuel pump) has been out doors about 18 months. Are you a Vocational Instructor or Student? 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. Re: Breaking loose a seized engine I extracted the crank out of my Studebaker engine. Hey guys just picked up a 94 XJ6 with the 4.0 and the engine is seized. If there had been a loud knocking noise instead it might be worse (a noise like the piston coming apart.) Im going to dump a bunch of PB blaster down to try and free up the bottom end. Could do a quick blow by test with shop air to get a better grasp of the problem. 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. 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. Re: Help with seized / locked up engine. Thank God winter is coming because if I was in a rush to get this done I'd … 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. 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