No, the rear main seal is on the engine not transmission and is not part of a transmission rebuild. They might not have seen the leak after removing the transmission before because the rear main seal is behind the flex plate.
Is the rear main seal on the engine or transmission?
The rear main seal keeps oil sealed inside the rear of the engine, where the crankshaft connects with the transmission. It can be expensive to repair, often $600 or more, because it typically involves removing the transmission and, in some cases, all or part of the engine.
Is the rear main seal part of the powertrain?
Yes the rear main seal is covered under the powertrain warranty. Its not likely the rear main is leaking, have seen many oil pans leaking, also covered under the powertrain warranty.
What is the seal called at the back of the transmission?
The output shaft seal, sometimes called the rear transmission seal or driveshaft seal, prevents fluid from escaping where the driveshaft yoke slips into the transmission.
Related Question Is the rear main seal part of the transmission?
Can a rear main seal leak transmission fluid?
There are various seals and gaskets throughout the transmission system. This might include the rear main engine seal and the front input seal. The rubber may deteriorate or something could come out of alignment and cause a transmission fluid leak.
Which way does rear main seal go?
Is crankshaft seal the same as rear main seal?
There are two crankshaft seals, one in the front and one in the back, which are known as the front main and rear main seals respectively. Since the crankshaft needs to be lubricated, there are seals on both ends of the crankshaft that keep the oil from escaping. The rear seal is located along the transmission.
What does it mean when the rear main seal is leaking?
If your vehicle has worn main bearings, the rear main seal can actually leak because the crankshaft is able to move excessively inside the bearings which will stretch and move the rear main seal while the engine is running allowing oil to leak past the seal.
How difficult is it to replace a rear main seal?
Its' Hard. Replacing a rear main seal is time consuming, requires special knowledge of your vehicle and the use of special tools if you are going to do it correctly and without placing you or your vehicle in danger.
How much does it cost to replace a rear main seal?
The rear main seal usually costs between $600-$900, with a service fee of around $550 to $820 out of the overall replacement charge.