I heard Lucas was good? So I figured some kind of stop leak would be better than nothing. I even tried engine oil stop leak from several companies without any luck. The NO LEAK Engine Oil Stop Leak is designed to remedy engine leaks caused by dried, shrunken, or hardened rear main seals. My rear main seal is leaking. Not very bad at all, I've had the jeep about a month or so and haven't done an oil change yet and it's still at the full mark so it's not a big leak.I heard its not really worth replacing the seal unless its really bad or if your doing an overhaul.. Bar’s Leaks Rear Main Seal Repair Best Budget Runner-Up Not the least of the stop leak products in this roundup review is the Bar’s Leaks Rear Main Seal Repair. I have an 03 C240 w/around 85K on it. NOTE: It may take 2 days or 150km to achieve maximum benefits. So its slight. Use this product if your car has any of the following symptoms: Loses or leaks oil, blows blue smoke at start-up, on take-off or when decelerating downhill. The product works by expanding and softening the rubber in the seal … been doin it for awhile now. If even a more-reasonable price discourages you, I for one would not use any of the "stop leak" additives. That tx7 is 60 weight (per link). runs great never had a problem with engine. 6. after that i used a qt of lucaas oil which didnt do anything. It’s another entry from the reputable Bar’s Leaks brand. "stealer" for another issue and they told me my rear main seal was leaking and it would be $1300 to fix. Any brands I should try? On most modern engines, the seal’s failure is due to a condition inside the engine or a component connected to the back of the engine, and is most common in older cars.
it may stop the leak but it also may stop up oil passages in the engine.
Excessively worn or damaged seals may not respond and will require replacement. I took it to the dealer a.k.a. We According to alldata it will take 7.6 hours for you repair so at any shop with proper equipment and professionally trained technicians it would be around 1k for the job. It doesnt "expand" your gaskets and seals.
Find a good indie (not just for this), a member in the W210 forum was saying he was quoted $575 for the rear main replacement by his indie. As for now, ill just keep an eye On The oil level and fill as needed. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. no leak been a year and a half. i wouldn't use that stop leak. 2005 C230 kompressor sport, 6-speed manual, CURRENT: 2011 SL550 FORMER: C300, ML350, CLK550 Cabriolet, C240, ML320, 300TD. My rear main seal is leaking. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Also, the M112 and M113 series engines all eventually do this to one degree or another. Maybe. Thanks for the feedback guys. The guy at o'reillys said that stop leak helps expand any seals or gaskets causing the liquid to less likely be able to excape or "leak". It's not a hard job at all, just MESSY. I have a 1985 Toyota Supra in mint condition; it has had an annoying small oil leak for over 10yrs now without finding a solution. Shake bottle and add contents to engine oil. It helps you to seal not only the rear main seal but also different leakage types. I have the same leak during the regular health check at my indy.