How much to replace rear main seal or will BlueDevil rear main sealer work?
My Tundra has a bit of oil leaking, and I had a yourmechanic mechanic (great guy: last name Bradshaw) come out to inspect it today. He said that the drip is slow but would only get worse. So my question is how much would I expect to pay to get the rear main seal replaced? Or, do you have experience using BlueDevil Rear Main Sealer additive; would it be worth using? BlueDevil claims their sealer does not attack the seals like other additives do but restores the seal to original; is there any credence to this? Or will it destroy all my engine seals? I'd like to know from a professional's
Experienced mechanics share their insights in answering this question :
Hi there. Former Toyota/Lexus master technician here. I can tell you from experience that using any kind of sealer is a literal "Band-Aid" that will not last and could damage internal engine components if some of it breaks loose into the crank case. Your Mechanic does not provide rear main oil seal service at this time, but I would definitely recommend pursuing a qualified technician that can perform the service properly with a quality seal. I suggest using a factory seal as this is a repair that no one want to do twice; the second time either party’s expense. Your Mechanic is here for many of your other service, diagnostic, and repair needs 7 days a week. Feel free to schedule your next service at www.yourmechanic.com.
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BlueDevil works as a permanent repair and does not need to be added when oil is changed. BlueDevil Rear Main Sealer restores seals to their original condition while you drive. It works on gasoline or diesel engines that use synthetic or conventional oils.
Is Blue Devil Bad for Your Engine? The answer is a resounding no. And if you are wondering about the safety of using other brands of rear main seal conditioners and stop-leak products like Bar`s Leak or Justice Brothers, don`t worry. They almost all use the same active ingredient.
Yes. Even though it is specially designed to seal rear main leaks, it also works better than a conventional stop leak on all other engine oil leaks. This includes the timing cover seal, cam seals, O-rings and other seals and gaskets.
A rear main seal keeps your vehicle`s oil inside of the rear of the engine. When there is a leak in this region, it can be an expensive fix because it involves removing the transmission. However, BlueDevil Rear Main Sealer permanently stops rear main seal leaks. Just add to the engine oil to restore and seal gaskets.
The BlueDevil head gasket sealer ensures that your car`s vital component, the engine, is permanently fixed in terms of seals and cracks. The sealant flows to a leak point to create a permanent seal, ensuring no fluid loss or risk of an engine misfire.
The Best Rear Main Seal Leak Additive!
Stop your leak before you do more damage to your vehicle! Avoiding costly repairs is every car owner`s first priority. BlueDevil Rear Main Sealer is the perfect product to do just that.
The 32 oz. is the viable source for customers with larger cooling capacities, severe cooling system leaks, or garages that want two applications out of one bottle. The 16 oz. is intended for the customer seeking a single repair on a 4 or 6 cylinder engine.
BlueDevil Oil Stop Leak seals engine oil leaks permanently. It is non-clogging and will not harm your engine. BlueDevil is safe and easy to use and is compatible in gasoline or diesel engines. Our stop leak additive solution is guaranteed to keep your leak sealed even after miles of driving or your money back.
Seal lips should be generously lubricated to where they are wet during start-up, especially if an engine, transmission, or rear axle is going to sit for a while before operation. Dry seals and spinning shafts don`t mix. A dry seal will tear and then leak.
BlueDevil rear main sealer permanently seals rear main leaks. Just add to the engine oil to restore and seal gaskets. BlueDevil is a great repair for timing cover leaks.
BlueDevil contains no solid or particulate matter, and will not clog or harm your engine. It bonds to metal, aluminum, cast, alloy, or plastic, and it`s safe and easy to use.
Car overheating after Blue Devil means the sealer may have sealed up smaller water passages in your engine system, clogged up your radiator, or even plugged up the thermostat. It could also mean that the gasket sealer didn`t work, so overheating which is one of the symptoms of a faulty gasket head, still exists.
A: They say to test drive it after the 50 min run time, no need to drain it. After that let it cool, drain the radiator replace the thermostat and fill it with anti freeze.
BlueDevil Radiator & Block Sealer is an easy-to-use formula that will repair and seal leaks in radiators and/or engine blocks. It does not contain solid or fibrous materials and will not clog or harm cooling systems.
With the engine idling, SLOWLY POUR BlueDevil into the radiator (take 1 minute pour time for entire bottle – 30 seconds for 1/2 bottle). After pouring BlueDevil slowly, let vehicle idle with CAP ON for 50 minutes. You do not need to flush the system a second time after process is complete.
Yes. Even though it is specially designed to seal rear main leaks, it also works better than a conventional stop leak on all other engine oil leaks. This includes the timing cover seal, cam seals, O-rings and other seals and gaskets.
What should I do? A: Overfilling an engine with oil can put additional pressure on seals and, over time, can cause an oil leak.
Adding BlueDevil Oil Stop Leak to your engine oil will start to restore your oil pan gasket to its original size and shape even if it is cracked or shrunken sealing your leak quickly and permanently.
First, the oil pressure in the rear of the engine is higher than elsewhere in the system. A small hole or crack in the seal, or a bad seal fitting, can quickly escalate into a wholesale breach, spewing oil all over the transmission and the flywheel that sits behind the seal.
Some folks might suggest that you simply put thicker oil in your car to treat a leak. Sounds reasonable. It is not. Sure, in theory, thicker oil would have a harder time fitting through gaps in your engine.
High mileage oils contain additives and seal enhancers that reduce leaks (both internal and external). It`s possible that after an oil change or two, the leaking could stop. This has the potential to reduce oil spots in your driveway and on burning oil in older engines.
You can, but you want to flush and refill the system before doing it again, or you can clog your heater core, radiator, thermostat.
But in order to get to the rear main seal the transmission has to be dropped. The time charged for this should be around 4 hours. ( Removal and re install).
To remove the rear main seal, you must remove the transmission from the engine, remove the flywheel from the crank shaft, removed the oil pan and in most motors removed the pistons and crank shaft as well.
Relevant Questions and Answers :
the most relevant questions and answers related to your specific issue
How much to replace rear main seal or will BlueDevil rear main sealer work?
ANSWER : Hi there. Former Toyota/Lexus master technician here. I can tell you from experience that using any kind of sealer is a literal "Band-Aid" that will not last and could damage internal engine components if some of it breaks loose into the crank case. Your Mechanic does not provide rear main oil seal service at this time, but I would definitely recommend pursuing a qualified technician that can perform the service properly with a quality seal. I suggest using a factory seal as this is a repair that no one want to do twice; the second time either party’s expense. Your Mechanic is here for many of your other service, diagnostic, and repair needs 7 days a week. Feel free to schedule your next service at www.yourmechanic.com.
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Engine and Transmission mounts have collapsed. Do they have to be replaced immediately? How much for both? TBC….
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