Does Removing the Oil Pan on MG3 Require Removing the Transmission?
2 Answers
Removing the oil pan on the MG3 does not require removing the transmission. The oil pan is the lower half of the crankcase, also known as the lower crankcase. Function of the Crankcase: The crankcase is one of the most important components in the engine. It bears the force transmitted by the connecting rod and converts it into torque, which is then output through the crankshaft to drive other engine accessories. It also prevents oil deterioration and leakage from the crankshaft oil seal and crankcase gasket. Introduction to the Crankcase: The crankcase ventilation check valve is installed on the valve cover. Depending on the engine's operating conditions, it automatically controls the recirculation of blow-by gases by utilizing changes in the intake manifold vacuum. If the crankcase ventilation check valve is damaged, it can lead to increased pressure inside the crankcase, faster oil consumption, and affect the exhaust emissions.
A few days ago, when I was changing the oil for my MG 3, I happened to encounter this situation. The mechanic said that removing the oil pan doesn’t require touching the transmission at all. The oil pan of this engine is right underneath; after removing the undercover, you just need to unscrew the bolts. However, if the oil pan is positioned very close to the transmission, the mechanic mentioned that it might be necessary to loosen a few bolts on the transmission bracket to create a bit more working space. The whole process takes about two hours, with most of the time spent on cleaning off the old sealant and applying new sealant. Actually, during regular maintenance, it’s really important to periodically check the oil pan. Last time, I only realized the gasket had aged and was leaking when the drain plug got stripped. Addressing it earlier could save a lot of trouble.
