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Can replacing a rear main seal cause leakage into the transmission?
Wiki User
∙ 11y ago
No. The transmission is sealed to the input shaft and torque converter inside the bell housing of the transmission. It is possible to leak oil into the bell housing, but that will not migrate into the sealed transmission. If your Transmission Fluid looks as dark as your motor oil, a flush of your transmission may be in order.
-Steve
Wiki User
∙ 11y ago
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What is the difficulty level on replacing rear main seal on a n excursion its blowing transmission fluid all over passenger side underneath?
Well the rear main seal is at the rear of the engine and would leak engine oil if it was leaking,but if the rear main seal is the leak? it usually requires the removal of the transmisson. But if you know that it is transmission fluid then I would check the transmission cooler lines, transmission cooler, and transmission pan gasket for leaks.
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