What causes oil to drip from rear main seal?
If you’ve got a rear main seal leak you will have oil dripping off either your engine oil pan or the front of your transmission called the bell housing. The problem is other leaks can cause oil to drip from this location as well. For example, a leaking oil pan gasket or even a leaking valve cover gasket…
Can a rear gasket leak cause an oil leak?
Some seals and gaskets in your engine never cause severe leaks because of the design or because they are not subjected to high oil pressure in the engine. In contrast, the rear main seal is an engine component that is highly likely to develop a leak.
What can I use to stop rear main seal leak?
Based on your description, we would recommend using the BlueDevil Oil Stop Leak. The BlueDevil Oil Stop Leak is the universal application and will work for oil pan leaks, rear main leaks, valve seal leaks, transmission leaks, power steering leaks, etc.
Where is the oil pan gasket under the rear seal?
The oil pan gasket is just below the rear main seal. An oil pan gasket is also usually much less expensive to replace so it’s important to check for leaks in your oil pan gasket before you jump to any conclusions.
Can a stripped drain plug cause an oil leak?
Overtighten the oil drain plug and you can strip the threads out of the oil pan. Once that happen, you’ll leak oil. Here are the four options to repair a stripped drain plug.
Some seals and gaskets in your engine never cause severe leaks because of the design or because they are not subjected to high oil pressure in the engine. In contrast, the rear main seal is an engine component that is highly likely to develop a leak.
Why do I have a leak in my rear main seal?
Old oil can become acidic over time as it absorbs water and goes through the heating and cooling cycle of a running motor. This acidic oil sits between the rear main seal and the crank shaft lubricating it, but also corroding and possibly pitting your crank shaft.
Where does the oil come from in the rear main seal?
On most engines, oil leaks can occur above and below the rear main seal. It could be a leaking oil pressure sensor, oil pan gasket or galley plug near the seal that causes oil to come from the bell housing. Adding dye to the oil can help reveal where the oil is actually coming from. Check the transmission and oil pan