almost never
They don't make anything Liquid in a can that will FIX a rear main seal leak. Time to replace the seal and be done with it.
try using power sterring stop leak, if they doesnt work, find out what is leaking, and replace the worn hose or broken seal
I have been doing transmission work for about five years and in that time the only way I have ever stoped a rear main seal leak is to remove the transmission andflywheel. There are no bolts to tighten.
Stop leak products can temporarily seal small leaks in a water pump, but they are not a permanent solution. These additives work by forming a seal within the leak, but they may not address underlying issues or larger leaks effectively. It's best to use stop leak as a short-term fix and consider replacing or repairing the water pump for a long-term solution. Always consult a professional for the best course of action.
Yes, it will help seal small leaks in the cooling system. However it can also clog the system if you do not use it properly.
A bad you joint or a unbalanced driveshaft can cause the transmission rear main seal to leak. You will need to replace the transmission seal.
Sealant does not work. Replace faulty seal or gasket.
The effectiveness of automotive leak inhibitors vary dependent to the level of damage/degradation of the engine, transmission, cooling, and steering systems seals and gaskets. Engine oil stop leaks seal to recondition seals. Severely degraded seals and gaskets usually require replacement.
The shaft seal will leak or not work when the system has been properly bled.
A transmission fluid leak means that the plug may need to be replace, or the seal or gasket may need to be replace. As it could be caused by a work seal, or gasket, or a loose plug.
The first thing you should do is check and replace your positive crankcase ventilation (PCV) valve if it's plugged, and make sure your engine oil level is not over full. Both of these conditions can cause your rear seal to leak. Check these and correct them, then see if the leak continues. If not, then you're good to go. If it still leaks, see below.AnswerReplace rear main seal. Transmission must be removed.I have replaced the rear main seal on pre-1987 small block chevy's without removing the trans. Not sure if it would work on other engines. Pull the oil pan and the rear cap. You may need to loosen the other main caps to take the pressure off the seal. Use a piece of thin wire to push the upper-half seal far enough to one side to get ahold of it and pull it out. Push the new seal into position, replace the other half in the cap and reassemble.
K-Seal is designed to seal leaks in various engine components, including gaskets, but its effectiveness on a thermostat gasket leak may vary. While it can help seal small leaks temporarily, it's not a permanent solution and may not work on larger or more severe leaks. It's generally recommended to address the underlying issue by replacing the faulty gasket for a reliable and long-term fix. Always consult your vehicle's manual or a professional mechanic for the best advice.