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My truck suddenly is pouring oil from underneath from the transmission back is soaked in oil. The oil filter is clean . Ir lost 2 quarts of oil in less than a hundred miles. Never leaked oil until today. Pulled the plugs out of the bellowing of the transmission to see if the rear seal was leaking. Tourqe converter doesn't appear to be soaked in oil .any suggestions
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Hi, this is Bo, an auto expert on RepairPal's Car Genius team! Losing two quarts in under a hundred miles with oil pouring from underneath is a serious situation that needs immediate attention before you drive it another mile. On this generation Sierra a sudden catastrophic leak from the transmission back could be pointing toward a cracked or blown oil pressure sending unit, a failed oil cooler line fitting, or even a rocker cover gasket dripping oil down onto the exhaust and migrating toward the rear. Since it appeared suddenly rather than gradually that points toward something that let go all at once rather than a slow developing leak. Get it on a lift with fresh eyes before adding oil and driving it any further. Visit RepairPal.com to find a trusted shop in your area! If you need any further advice or want help finding a trusted RepairPal shop in your area, please feel free to call us at 877-913-1554