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The mechanic will have to take out the transmission and the flywheel (or the flex plate, depending on the vehicle). Once the issue has been diagnosed, then the work begins in earnest. To determine the location of an oil leak, the mechanic may place a dye into the oil that’s perfectly harmless, but that shows up easily under a UV light. What Is Done during Rear Main Seal Replacement? On top that, you won’t have to keep such a close eye on the oil levels, and you be able to drive without wondering how soon you need to top up the oil to prevent car damage. You will also protect your vehicle from damage caused by leaking oil. You can protect your engine, camshaft, gears and other parts from wearing out prematurely by getting the leak taken care of. Why should you have your rear main seal replaced? It’s not something that you need to get fixed right away, but the sooner you get it fixed, the more money you are likely to save on repairs later. If the oil has already begun to leak out, though, then further repairs and cleaning may be required. There are a lot of parts to deal with, and the mechanic has to be careful not to damage the engine or let oil leak out in the process. Replacing the seal can be an in-depth job, no matter what kind of vehicle you have. Rear Main Seal Replacement Cost Comparison Your Mechanic Work The range in prices is due to the amount of work that goes into changing out the parts on different types of cars. These figures do not include taxes, and the fees mechanics may change on top of labor and parts. The labor should cost around $700, while parts are only about $35. You will pay between $650 and $850 for this replacement. If it starts to crack or otherwise malfunction, you will be left with an oil leak. This seal ensures that engine oil does not leak out. On the end of your car’s crankshaft is a mechanical seal.
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