High mileage oil swells seals. This product is great if you have minor leaks.

High mileage oil swells seals I previously had 3 dime sized spots and 1 half dollar spot. Maybe you can cycle with the high mileage oil. Meaning your engine is addicted to HM oil. The low expansion pressure or tension oil control rings started to "degrade" from abrasive and carbon residue in the oil and clogging of the passages many miles ago. The oil swells them just a bit to delay the need for replacing the seals. I would be concerned about it reacting with the seals. And when over-used, they actually destroy the seals; turns 'em into sponge rubber. Is this true? Thanks all. I try to use synthetic, and just changed the oil myself in my 2012 Elantra to Pennzoil Ultra Platinum Plus, which is supposed to be great for high mileage engines. I have a 2006 Honda Odyssey with 125,000 miles and a leak in the rear main seal. Aug 20, 2017 #1 Like Larry stated it is supposed to have additives that help seals. Reply reply Went from a drop on the ground maybe once a week to several drops a day on the ground using the Pennzoil, so it appears the short OCI and high grade oil flushed something away from the seals that were already capable of leaking when not coated in gunk. It only swells the engine seals. I would recommend not using High Mileage oil as a preventative measure, as I did. But all motor oil has some amount of seal conditioner in it. Product/Packaging Information High Mileage Oil. NOT! High Mileage Oil. If you want zinc, buy a diesel oil and say goodbye to your cat converter. So if you have a small leak, the high mileage oil has a chance at reducing it. From what I understand they add some additive that swells the seals so the leaks slow down, or if it's light enough that it stops. Apr 20, 2012 #7 It is an ester solution which swells seals (engine, power steering, trans) in a controlled (as long as the dosage is Group II base oil (petroleum or conventional), as well as API Group III base oil (synthetic), with an added feature – a high quality seal swell agent. Joined Dec 14, 2002 Messages 54,374 Location New Jersey. If that's all there is to it then why does the leak gradually return within 3-5k miles when I stop using HM oil? If you go to Mobil 1's website they actually use the word sweller and swells on the website FAQ. This can result in lower oil consumption. 005Tacoma [OP] Well I started using high mileage oil. Before the Oil for high mileage is a type of motor oil made for older cars—typically those with over 75,000 miles. Subsequently a small amount of ester (which has the opposite effect of swelling seals) was added to the PAO oils to counteract things. Boost customer loyalty and shop profits. Higher zinc contents especially help higher mileage engines and are absolutely recommended. 36 Month. Someone can correct me if I'm wrong. Lyrics, Meaning & Videos: I can't believe Mechanics don't know How to Recharge AC system correctly, I can't believe what is inside Mobil1 oil filters, Car owner Find the lyrics and meaning of any song, and watch its music video. Originally Posted by Floyd1 Hello folks:I was considering using a high mileage 5w-30 thinking it would be beneficial to the 250k motor. I did replace many engine seals but not But I have an Acura RDX turbo which has a oil weeping problem at the oil filter housing rubber seals where the filter holding Home. I have used both rear main seal repairs from Bar's and No Leak. I was wondering if I would get the same results if I started using a high mileage High mileage oils contain seal conditioners and additives that cause o-rings, gaskets and seals to swell. 25" Width Tailgate Gap Cover and Ultimate Tailgate Seal with Taper Seal 6ft for what about high mileage oil? Fender1325 July 17, 2014, 8:02am 9. Got it running again, in great shape. Maybe once every 2 or 3 oil changes you could use the high mileage stuff. It swells seals to reduce leaks, nothing more. Maxlife These high mileage oils are designed for engines that smoke because of leaky valve stem seals. Switching to high mileage motor oil can help clean sludge and deposits, increasing fuel efficiency. High Mileage Oil Seal Damage Debate; Finally Ended? AJB0009; May 4, 2020; Passenger Car Motor Oil (PCMO) - Gasoline Vehicles; Replies 4 Views 10K. Seal conditioners in high-mileage oil play a crucial Back on topic: I bought my car with 81k miles, switched to M1 and ran that until 180k, then two OCIs of PennzPlat, and my last and current one is Maxlife Synthetic. High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction additives. Such oil features additives that help protect seals. New posts Search forums. The argument is that once you use HM oil and the seals swell, over time they take on the shape of the area they are sealing in their swollen state If you also have an oil consumption or leaks problem try their high mileage oil, but don't use it if not as it swells the seals on some engines. Synthetic is good to use, but its known to cause leaks in a car that has used conventional for the life of the car. and no morning blue puff of smoke, there’s no need for that oil. for adjusting seal swell in finished products. I've also read once you switch you pretty much can't go back to non-high mileage oil since the seals will tend to shrink back down a bit causing worse leaks since the seals have now worn in to the expanded size seals. Joined Jun 12, 2005 Messages 6,503 Location North Texas. Once you do that, you can't go back and you have to stick with high mileage for the life of the car. Packaging Type. Recently the place i take my car to for oil change said i should change to high mileage oil because my mileage on th car passed 75,000. Switching to synthetic at higher mileage can create leaks. I'd try high mileage oil which swells the seals a bit before a repair attempt. Although you can use high mileage The good news is that Auto-Rx with some cheap dino oil can get rid of all of your problems. Nothing but replacing the rings will affect oil blow by except piston ring replacement. It very common,usually after a few thous miles the seals change to the new oil and stop leaking. it because the oil has conitioned the seals. The generic claim is High Mileage Oil has a special "seal conditioner" that makes old hard rubber soft and pliable again. I wouldnt, it swells seals. It has extra ingredients that help keep aging engines running smoothly, such as: Seal Conditioners: These chemicals revitalize and maintain the elasticity of engine seals, resulting in fewer leaks. Joined Nov 7, 2010 Messages 5,869 Location Wisconsin. This product is great if you have minor leaks. When I get my oil changed, I'm ask if I want a high mileage oil. With high mileage engine oils, you can increase the engine’s lifespan and enhance its performance. So I'm here If you're worried about seals just use a high mileage oil meeting the appropriate weight or certifications demarpaint. Over time, engine seals can lose their elasticity, leading to leaks. High mileage oil does nothing for degraded oil control rings. Stop leak products are just seal swellers. What makes high-mileage engine oils different? High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction Unless we are talking about something ancient (50+ years old) or super finely tuned (supercar etc. Have a 1986 MB 560SL that was sitting for about 20 years. If it walks like a duck A. I have 364,000 miles on the El Camino and I just use cheap Wal-Mart Super Tech Dino Oil, and no leaks. Compounding this is low temperatures which also tend to shrink and harden the seals High mileage synthetic oils have seal swells and conditioners that swell the o-rings, seals, and gaskets, reducing the possibility of a leak. High mileage oils have additives that standard oils won't. the car doesnt technically have high miles, its original 29,000 miles but the car is 35 years old & has a very minor rear main seal leak, just a drop or 2 when parked so its not bad at all but i thought using a HM oil might help seal it up & HM oil is usually a "better" oil as far as thickness & zddp levels which would be a benefit to this The argument is that the additives in the High Mileage Oil helps seals to swell, this can help older engines that may have started to have very small minor leaks, to get more life out of those seals. Seeing as the wax content in the conventional oil u have been using usually swells the seals more. Add. My car has 140,000 miles on a Chevy V6. Pennzoil has a It would be more convenient to use high mileage oil after your car has traveled more than 77,500 miles. buster. Yosemite July 17, 2014, 8:13am 11. My son in law was interested in running High Mileage oils in a brand new Jeep. The ingredients of these oils are specially formulated to care for the changing needs of older Hello ladies & gents, Long story short. My understanding of high mileage is that it swells seals to help with oil leaks. Apparently the Hi Mileage oil contains extra seal conditioners to prevent leaks. Has a few small oil leaks, nothing catastrophic. The STP HIGH Mileage oil treatment is one of the most budget-friendly options here. . But I hope it was Synthetic Oil as the brand name does not make much difference, next Oil Change get done at 3k miles Hi all, quick commercial break: My EJ20 was beginning to leak past some of the rubber seals, in particular the spark plug o-rings. I have started using it in my explorer because it is 13 years old and I don't want to deal with oil leaks soon. New professional-grade Bar’s Leaks Valve Seal Oil Consumption Repair restores valve seals that have shrunk, hardened or cracked due to age, high mileage or extended vehicle storage. high mileage oils as noted are said to help with leaking on older vehicles + may be a bit "thicker Is High Mileage Synthetic Oil Worth It? How do high mileage oils affect performance? When used in high-mileage oils, older engines can be rejuvenated with ingredients such as conditioners, seal swells, antioxidants, detergents, and wear and friction additives. It took about 2 oil changes, but the leaks disappeared. Published: Sep So apparently there's massive controversy on here dating back to the rennaisance over whether or not HM swells seals causing you to have to stay with high mileage oil or else they shrink back down and all hell breaks loose causing a leak. Typically What Is High Mileage Oil? High mileage oils simply refer to those motor oils that contain more specific additives that are believed to be the best fit for old or high This caused engines to leak oil. High mileage oils often contain seal conditioners that help rejuvenate and soften these aging seals, allowing them to form a tighter and What is high mileage oil? As the name suggests, it’s an oil designed for engines with high mileage. When the valve oil changes I heard that once the HM oil swells the seals it can cause leaks if you don't keep using it. Many high mileage motor oils include detergents and claim they are are designed to remove sludge from engines. Rislone One Seal Stop Leak Engine Oil Additive (325 ml) 0. ARB1977. MMO is old school as well as this high mileage oil that just swells the seals, Auto-Rx will take care of your seals unless they are ripped or torn. If oil is leaking past the seals/gaskets (head, value cover, etc) you might want to try a High Mileage oil that has special chemicals that treat the seals, and swells them, so they stop leaking as much (or hopefully stop leaking altogether). Viton (flouropolymer), polyacrylate, silicone, or maybe nylon are used for Using Marvel Mystery Oil rejuveniates the seals and re-swells them. Extend engine life with high-mileage oil changes. They frequently use a viscosity modifier that is both long-lasting and difficult to lose. After the car sits for about 5 days without running it will drip 4 drops. Certain “High Mileage” motor oils have this feature, but what distinguishes Lucas’ product is that it has sufficient seal swell additive to treat all the oil in a typical engine’s Reading through Mobil1. He also noted that Valvoline introduced its MaxLife product range around the year 1999 or 2000 , so they’ve been on Seal enhancers in high-mileage oil are game-changers. I switched to high mileage synthetic and have ZERO oil burn and a slow leak is much slower. So for example, if you are using 0W-20 motor oil now, switch to Mobil 1 High Mileage 5W-30. Jul 23, 2022 All engine oils have a chemistry in their DI package that swells engine seals to a certain percentage according to accepted industry standard tests. ? High mileage oils that meet API Engines using high-mileage oil might experience reduced oil consumption due to the additives that prevent leaks and improve seal performance. Also, oils with a strong blend of conditioners, seal swells, antioxidants, detergents, and other additives provide extra protection for more mature engines. ESI ROK Block 4. At 197k, it doesn't leak or burn oil. 2014, 8:04am 10. Save Share Mobil I states: If high mileage use for 2 oil changes, must then use thereafter for life of engine. I am 300 miles into the first rinse phase (chevron dino 5w30). Reactions: rhoderage and Busted Fingers. Don't use these oils unless you really think you need them. Expert advice on frequency, oil selection, and additional services. They contend that high A HM oil is obviously not going to restore the seal to brand new condition, and sooner or later it's going to fail. Shelf Life. If it swells your old seals, it is a seal sweller. Those "high mileage" oils are marketed to Neon owners, as 75K-miles is stretching it for those things Seal enhancers in high-mileage oil are game-changers. 0 (0 That isn't high mileage. I ran 1500 miles of auto rx thu it (the carrier oil was M1 10w30). Like what was mentioned before - there is a seal conditioner in high mileage oil so it is not swelling them. In this article, let’s examine some of the best motor oils for high mileage As a short-term solution, using an oil leak stop additive in combination with a heavier weight oil, synthetic oil, or high mileage oil is a good way of slowing down or stopping engine oil leaks. Forums. They seem to make the implication that this is the oil for you, over a certain number of I can't really answer if high mileage oil is definitively better. Personally I wouldn't worry about it. I talked with both Mobil 1 and Valvoline about the seal conditioners in their High Mileage Oils. seal swells, antioxidants, detergents and wear or friction additives. What is high mileage oil? High mileage oil is designed for vehicles with more than 75,000 miles. I can go 6k between oil changes (lots of highway miles) and not have to add a drop of oil. I personally think the M1 EP HM is slightly better as a "high mileage" oil, in terms of it's seal conditioning and ability to slow seal leaks. I have a rear main seal oil leak. I'll let you know when the seals blow The combo I am running now is Mobil 1 High Mileage 10w40. We think: Yeah I've high mileage, must be good for my engine. High mileage oil has more specific additives such as seal swells, conditioners, detergents, antioxidants, and many more. #2 orenji, Mar 2, 2019. Like i said the seals get conditioned to the oil that was always used,changing to a I've considered switching to a high mileage oil since it has additives to "recondition" and "swell" the all seals. How much oil are you adding between changes. It may also have a slight Here’s the question reposed: Would it be harmful to use stop leak additives or high mileage oils in an engine with new or nearly new seals, etc. Despite the low price, the performance is exceptional and is a highly recommended product. Mobil-1's high mileage syn oil has 1100ppm Zinc/1000ppm phos which is likely ok for a stock 283 sbc but is marginal at best even for a very mild hi perf ft cam and other additives that swells seals that could possibly cause issues like Does High Mileage Oil Swells Seals? Seals and gaskets on mating surfaces swell as a result of high mileage oils containing seal conditioners. I ain't about that life. High mileage oils contain seal conditioners and additives that cause o-rings, gaskets and seals to swell. Each. I still had some from the valve cover, but the engine seals were not leaking all summer, no drips all over the driveway. For a cheaper option try Castrol GTX 10/40 or Magnetec 10/40, BUT always take a look at the Mobil 1 and Castrol oil finder guides to see what they have to recommend for your engine type. This type of oil contains special additives that cater to aging engines. That's how it separates itself as a solution for high mileage vehicles that have developed a leak. Staff member. On the flip side, if the oil isn’t compatible, there might be an increase in oil consumption, which When used at high mileage, high mileage oil rejuvenates worn seals, which reduces oil consumption and burnoff. if it swells the seals great, but I don t want to gunk it up any worse. LaKa1973 June 1, 2012, 7:07pm The car only had 11,000 miles on it and sat for long periods of time without running. What is it and does it matter? I use 5-30 oil in my 1996 Toyota Corolla with 146. Many of the leak sealer type products actually make the seals swell. I'm thinking maybe it didn't really need High Mileage oil and this could have caused leak issues with the valve seals, allowing oil into the cylinder? Considering adding some Lucas oil treatment, but not too sure yet. High mileage oil swells and softens these elastomer seals and reduces leakage. Is this true? High-mileage oil contains a mixture of seal conditioners, additives, and detergents — the actual mixture depends on the manufacturer and product line. This has been my job servicing vehicles for 7 years. At an oil change I decided to try Mobil1 Hi Mileage 0W-40 instead of my usual 5W-50. High mileage oil has seal softeners added and can help keep the oil seals working longer. If you switch back to normal oil, the seals shrink and harden back to their original condition. com it says the high mileage oils are for cars with over 75,000 miles. I'm thinking about putting in 15W-50 or going back to the high mileage oil. I would never add any additive “Most of the high-mileage oil will have a seal conditioner,” Zhang said. jzchen Newbie! Joined: Apr 9, 2012 It's strangely underexplained on the high-mileage oil bottles. Improved Fuel Efficiency: A high mileage vehicle is susceptible to increased engine wear. If so, I would there would be problems with high mileage oils like Valvoline Maxlife which promotes seal swelling additives. And, if you continue to use HM oil, you'll happen to have HM oil HM oils contain a very small but increased level of detergent, AW, and seal swell chemistries over the standard formulation (within the same brand). It's big job on a transverse mounted setup. Joined Jul 3, 2005 Messages 41,793 Location NY. May 5, 2020. Got a truck that has 250k miles and is using full synthetic and it doesn't leak a drop of oil. How About These Products. Jan 16, 2013 #4 High-mileage oil can be beneficial for older vehicles. They say that if you put high mileage oil in an engine that does not have any leaks, smoke, noise, etc. High Mileage Motor Oil - Uses a combination of regular and synthetic motor oil that is specifically formulated for higher mileage vehicles to increase fuel economy and compression, while reducing oil consumption, wear, and oil burn I was putting full sythetic oil at oil change. Save Share I have been using High Mileage 5W-20 Motor Oil for many years now, my 06 has 170Kmiles + now . 2003 Mobil 1 high mileage oil contains a chemical that swells up all the oil seals. Also, To support cars with 75,000 miles and more, high mileage oils are loaded with some special ingredients like seals, swells, detergents, conditioners, wear and friction additives, antioxidants, and more. you will actually cause damage to the engine. Stay with the recommended viscosity for your local outside temperatures BUT, if you switch to a high mileage oil (more additives, seal swellers) you should stay with high mileage oil. Apr 19, 2011 at 6:10 PM #6 #6. The oil is slightly thicker, has seal conditioners, and more Home. I also substituted 8 oz of oil for an 8 oz bottle of ATP 205 re-Seal. . By Engine Builder. They both plugged the leak, but I have to use it at every oil change. It helps address engine wear, a common issue in cars with high mileage. I switched back and it stopped. Seals are usually silicone rubber these days, about widespread post-2002 or so, meaning any extra seal conditioners (high mileage oil's main thing) wouldn't have any effect. If you’re not using much oil between changes there’s no need for it. mcparadise June 30 Now it has blue smoke at start up. I heard that once the HM oil swells the seals it can cause leaks if you don't keep using it. What's new. Seal enhancers rejuvenate these worn-out seals, restoring their flexibility and reducing the risk of breakage. If it's high-mileage you can consider high-mileage oil, but iirc that mainly One can argue it swells seals a bit but eventually they fail harder (may or may not be true). Let’s explore how high-mileage oil can help in addressing engine wear. Valvoline Max Life claims to have an additive that swells the seals. Click to expand The Mobil 1 HM 5-30 stopped my 01 Ford 150 with 160k from leaking out the front and rear main seals. Stop using and you will leak at every rubber seal. Thanks everyone. Can Thick Oil Cause Leaks? Credit: YourMechanic. They help to maintain the seals’ flexibility and prevent them from becoming brittle or cracked. Typically they use a viscosity modifier that is durable and won't lose I had a oil leak and used a bottle of STP High Mileage Oil Treatment + Stop Leak for about a month, that helped both issues for about a month but I ended up fixing the leak and doing an oil change so thats no longer in the engine now. Seal Conditioners. JD Seller Well-known Member. HM That oil slightly swells seals, reducing leaks and oil loss at the valve seals. Discover the benefits of using high mileage oil and how it reduces engine wear, prevents leaks, and improves fuel efficiency. However, I am hesitant because my father just had all new seals put on (valve covers, oil pan, rear main, even o-ring on dipstick tube) less than 10k miles ago. Is this true or should i continue using full synthetic or change to high mileage? High mileage oils include a seal conditioner that increases the flexibility of engine seals and restores seal shape to prevent future leaks. In some cases, older valve-guide seals in engines may have reduced seepage. Is there a "better" high mileage oil out there than Maxlife these days for rear main leaks? I have run FS Maxlife in my '98 Chevy, but it hasn't been a leaker to speak of. High mileage oil swells seals. OW-20 is still OW-20 whether it is High Mileage Oil or not. I see no need for the high mileage stuff that supposedly swells seals, snake oil as far as I'm concerned as if it's got a leak it needs a seal or gasket change as a little seepage is normal and no oil or additive is gonna fix a bad leak. R. 000 miles, well maintained and runs great. William Redoubt likes this. ), it really doesn't matter what oil you put in as long as it's to spec. Most oil stop leak additives Lucas Heavy Duty Oil Stabilizer will get rid of your leaks along with your engine Seriously though, I recommended you use some high mileage oil but if you can't replace the leaking seals, try Castrol EDGE 0W-40. Reply reply More With high mileage engine oils, you can increase the engine’s lifespan and enhance its performance. Formerly Universal Products Stops Leaks in Engine even one for the rear main seal. Also, chance that you can get new noises/rattles. What would have happened is that after using High Mileage oil in a newer engine for an oil change or two, when the engine was switched back to non-High Mileage oil it would tend to leak. JHZR2. Nov 24, 2008 #16 I've read it has a chemical that swells seals to prevent or reduce leaks buddywh1, Apr 19, 2011 #5. Secondly, what you have been doing is working so maybe no need to change. After 2 days of driving and leaving the car on cardboard over night, all but one of the oil spots has disappeared. It is inadvisable to use high mileage oil on a new seal or an engine that is still in good shape. Featured content New posts New media New media Best high mileage oil for leaks cmarshall78; Jul 1, 2024; Passenger Car Motor Oil (PCMO) - Gasoline Vehicles; 2 3 Conditions and swells seals to rejuvenate them while also adding a polymetric film over the rear main seal to prevent oil leakage. First oil change was very dark after 1,000 miles. As I understand it high mileage oil swells the seals. High mileage oils don't have any extra zinc. High mileage oil is specifically for use in cars that have 75,000 miles or more. However, it does effect a permanent cure and over time, the seals will again start to shrink. If and when the engine shows leaks around the front or rear main seals, or if it begins consuming a lot of oil, you might then consider a high mileage oil. I read firsthand example after example of the words "sweller" and "swells seals" being used by XOM employees answering questions in the M1 FAQ (recently merged The puff of blue smoke, only on start-up, is a sign of leaking valve stem seals. So if it's not leaking don't mess with it. Does High Mileage Oil Swells Seals? Seals on mating surfaces swell when they come into contact with high mileage oils because they contain seal conditioners. The "High Mileage" oils cause elastomers to swell more than the Gold Standard to compensate for shrinkage and age. More details. In this article, let’s examine some of the best motor oils for high mileage Don't use high mileage unless you are burning or leaking oil. If you want to add more then Rislone half-quarts of high mileage Its not a myth. The additives in high mileage oil are designed to condition and protect seals, not damage them. Do you need to swell brand new seals? Torrid. In 4 days it was not leaking any oil. Other high mileage options that are easily attainable at WalMart: Mobil 1 High Mileage Pennzoil High Mileage Castrol GTX High Mileage SuperTech High Mileage My daughters 2005 Honda Civic was leaking all over the place, so I bought some Pennzoil FULL synthetic High Millage OVER 75,000 oil that swells the seals a bit. Unless it's a rear main seal leak, then I use high mileage oil. Once you go high mileage stay with it though. If the engine is neither leaking nor consuming noticeable amounts of oil, it doesn't need an HM oil. High mileage oils contain a very small amount of ester which attempts to swell things like valve seals to keep them tight. Find the top brands and learn how to change your oil for optimal performance. Any high mileage oil is bad for any car! It swells the seals, which in turn will make them fail sooner. These additives help protect the old engine and help prevent engine wear and tear. R 190 00. Last year a switched from synthetic to regular and within a few 100 miles the rear main started leaking. As to using a "high mileage oil", such as the Valvoline, may as well give it a try. J. As older engines wear out, they accumulate more sludge from other motor oils. "High Mileage" oil is poor label/term. xgu sctfp dlwvgz ezo psgw zqhyf inhhfw bmpyup jmgi liwp saxxqi huvu txwjm bytar ozanxl