Just use the serch page and type blown ringland symptoms but fwiw you will more than likely be using a large quantity of oil 1qt per 1,000 miles. Symptoms can range from vacuumboost leaks, cracked ringland on the pistons or even tight exhaust valve clearances. And ive taken my car to this dealership for maintenance every 6months since then. Truedelta subaru impreza outback sport engine problems. Never owned a vehicle that required adding so much oil between oil changes. Subaru outback has 2,431 complaints on file for subaru vehicles. Ive been researching my but off about the pluses and minuses about the car. I see some people say oil consumption goes up dramatically and also others saying a compression test will show whereas other people say the compression test didnt show anything. It has black tar residue in the compressor outlet mild shaft play, will spin freely but slows quick considering its a ball bearing turbo. I say this because the car doesnt take much timing and i am wondering if it is because the octane is being reduced via oil in the mix, and if there is oil in the.
A failure in any of these rings will result in a loss of performance coupled with other problems and symptoms. Broken ringlands and bearing failure come from detonation and oiling issues, which can be avoided with an airoil separator, a solid tune, and. How to avoid ringland failure in your subaru wrx sti. How to avoid blown ringlands in your wrx or sti igotasti is an online forum and community for all subaru wrx sti enthusiasts. Subaru is recalling 18,200 wrx sports cars and forester 2.
Just an intake modification can cause this, subaru stubbornly doesnt acknowledge this problem and still ask 35k for a 2018 sti with the same engine since 2004, while japan gets a newer 2. If they arent honing the cylinders and just throwing new pistons with rings in there the leakdown numbers will still be bad. There is a significantly high number of piston ringland failures on the later model subaru wrx and wrx sti. This in turn causes a loss in compression in that cylinder with symptoms of misfiring, smoking etc. May 9, 2020 common engine problems noises, leaks, overheating, fuel problems engine damage may 4, 2020 engine rattling noise where is it coming from how bad is it noises and vibrations april 30, 2020 electric cooling fan what can stop it from working properly and why cooling heating. We invite you to join our subaru impreza wrx and sti community to discuss engine mods, builds, detailing, and more.
One of the biggest issues a lot of people complaining about is ringland failure in the ej engines. Luckily, you can mix the diesel fuel with a detergent additive to get rid of these. Subaru ej25 sti piston ringland failure breakdown duration. When i tore it apart to rebuild it, every single piston had cracked lands. The head gasket must be replaced as soon as possible to minimize any damage. If you own a twin turbo, youve probably seen a lot of talk about boost leak. As most of you know im looking at buying a new 2017 sti. Combustion debris and deposits will gradually build in the fuel injectors and cylinder chambers. The worst models are the 2014 forester, 20 outback, 2015 outback, 2015 forester. Mine was only found by a leak down test, as it was not the compression side but it affected the oil ring. Ringland failure symptoms include stalling and a sudden loss of power as. See realworld subaru impreza outback sport engine problems and repair histories as reported by other subaru impreza outback sport owners. There is no oil leaks, and my husband drives alot of highway miles.
Each programs services and operations are committed to supporting their senior neighbors to live healthier and. Than you havent owned one long enough to understand, ringland failure is a huge problem for wrxstis that have the dinosaur of an engine ej205. Everything you need to know about your subaru engine crawford. The ringland is the portion of a piston that supports the ring itself.
The fractured ringland no longer supports the ring properly which allows combustion gasses to blow down into the sump, often pressurizing it. The first ringland is an area that typically fails the. Not as bad as a cracked ringland but still terrible also subaru stis had very lean tunes from the factory to meet cafe. Subaru wrx ringland failure lawsuit says engines fail. If the failure is due to a cracked ringland, itll be more, but still likely less than wholesale replacement.
In some cases, these ringlands have been identified as the weak point on most subaru engines. Subaru knows this as well which is one of the reasons why they have switched just about everyone else to an equal length design, but in the us market they would have to recertify the emissions, which cost more than the warranty claims, so again, they decided to stick it out until the next model revision. Dealer put conventional oil in my sti now possible spun. I did notice that if i had the dipstick out i would get blue smoke coming out which is apparently a common symptom of a cracked ringland. Also, see repair breakdown by problem area and cost. Symptoms of a bad head gasket, overheating and bubbles in overflow bottle. Each piston in your cars engine is equipped with two separate compression rings toward the crown of the piston, and an oil control ring assembly toward the skirt. Some of these may seem like common sense to most, but for many younger or first time turbo car owners it may be new. Ignoring the misfire which 9 times out of 10 is a tight valve can lead to burnt valves and much bigger problemsmore expensive. This is commonly caused by a lateral link that is loose or is failing. The only way i really knew was from the dyno and the compression test otherwise i wouldnt have known. Without the pressure that the link contributes, the steering and handling of the vehicle will feel very loose and unstable. Im not gonna lie ive been finding some disturbing things out.
The ringland portion of the piston holds the piston rings via channels cut into the piston head. Subaru eyesight an extra set of eyes on the road and, if need be, an extra foot on the brake when you drive. Our subaru loves to help causes subaru subaru of america. Meals on wheels operates in virtually every community in america through a network of more than 5,000 independently run local programs. Got the new engine in today so we can begin disassembly soon. Have been told by 2 separate mechanics 1 a subaru tech, its a combustion probleminternal engine and i should start looking for another vehicle. Symptoms of a bad or failing lateral link yourmechanic. The standard subaru ej piston will have three ringlands per piston. I pulled the piston out and about 14 of the ringland and rings came off. A subarus head gasket can wear through or even crack, causing loss of power, fuel efficiency or engine failure. In the forum you will find an informative tech area, a place for members journals, vendors with special members pricing, and monthly contests.
When i realized the dealer actually put a 2401 castrol 5w30 in my sti on my 3rd service there, the whole mess started. Oh and would like to add this forester does not have the turbo engine on the recall. The goal of this article is to help you avoid becoming one of them. We have a 2009 subaru forester and it seems to consume alot of oil. The car did idle at like 500 rpm a little rough but i didnt really suspect anything. There are signs to look for that will point to a blown head gasket. They were hitting stoich at full boost before adding fuel at wot. Austinneed to know if my turbo needs to be shipped or should i just purchase a rebuild kit. Rough idle, smoke on start up and smoke while under mid to high acceleration. Boost leak locator guide if you have insights, corrections, explanations, or repair writeups, please email me so i can make updates.
How to avoid blown ringlands in your wrx or sti igotasubaru is an online forum and community for all subaru enthusiasts. Not driving the car is the best decision you can make. Catch can smoking, especially on start up like i could see it coming out the hood. The mixture of fuel and these deposits will reduce the fuel economy and lower the performance of the engine, causing black smoke emitted from the exhaust pipe. Ringland failure, its what makes a subaru a subaru. Igotasti is an online forum and community for all subaru wrx sti enthusiasts. Note that signs of a cracked piston ringland may include poor performance, oil smoke from the exhaust, or poor results on a compression test. Recently bought a 2006 forester xt from a curbstoner unknowingly, and have spent two months tracking down a cylinder misfire. Subaru of america is facing another lawsuit over alleged engine defects in the 20092014 wrx and wrx sti performance models. Adding confidence to every trip, eyesight monitors traffic movement. Continuing to drive with damaged or worn out lateral links can create an unsafe driving situation which is why you should contact a mechanic.
I have an ej257 with oe pistons which is using a bit of oil, say 500ml in miles. Subaru is dedicated to supporting organizations that help neighbors and community members in need. This is probably one of the most controversial topics that makes its rounds throughout the subaru community. Numbers look fine less than 10% variance, but symptoms are similar to when i broke ring lands. The first is the most susceptable to damage because it is supporting the primary compression ring. At the end the car started to fuel cut and pull timing because of it. Finally got a compression and leakdown test after testing the coils, replacing plugs, sensors etc and the results are as follows. If i had a cracked ringland would it be fairly obvious plumes of blue smoke etc or could you still make reasonable power. Hi all i am just wondering what the usual signs are for the infamous ring land problems that are associated with cracked ringlands in the ej25. On the subaru ej255 and ej257, there are three ringlands, which each have a separate job in regards to protecting the engine and piston. Looking to buy one but the guy said it has a ring land failure.
Cause the black spot is a carbon deposit caused by oil burning onto the underside of. How to avoid piston failure subaru performance tips. For those who dont know a ringland failure is usually as simple as a crack in the part of the piston that your piston rings sit on. The compression rings contain the pressure of the expanding gases within the combustion chamber. The car has beautiful exterior and interior but has high mileage 210k at its age. Ive got over 250k miles ea on 2 turbo diesel trucks. A subaru wrx ringland failure lawsuit alleges the cars suffer from sudden. Subaru ringland failures is a topic i have wanted to write about for quite a long time but i havent found the time until now to really put pen to paper as they say. Subaru builds the worst turbo motors ive ever seen. Eyesight subaru cars, sedans, suvs subaru of america. The rings ride within annular grooves in the piston. The tight valve clearance develops over time due to many heat. I researched online and discovered my vin was part of warranty extension due to defective head gasket. Ring land failure is a serious issue with the ej257 and ej255 motors.345 630 1448 7 1190 1557 317 462 53 624 1144 1564 790 1401 1067 1528 540 1325 1344 1019 492 1343 144 1394 1056 675 1336 161 392 377 1116 638 1254 1264 528 279 921 37 618