Is it easy to repair a transmission oil leak caused by a stone impact?
2 Answers
Whether a transmission oil leak caused by a stone impact is easy to repair depends on the extent of the collision. Below is an introduction to the situation of transmission oil leakage after being hit by a stone: Oil leakage at the front and rear oil seals: Oil seeps from multiple areas such as the front and rear cylinder head covers, front and rear valve lifter chambers, oil filter, and oil pan gasket, but no obvious leakage point can be found. In this case, the crankcase ventilation system should be inspected, the crankcase ventilation pipes should be cleaned, and the PCV valve should be checked for poor performance due to carbon buildup and gumming. Oil pressure: If oil still leaks from the oil filter and some oil pipe joints after tightening, attention should be paid to checking whether the oil pressure is too high and whether the oil pressure relief valve is malfunctioning.
When I used to drive an off-road vehicle, the transmission was once hit by a rock and started leaking oil. I immediately stopped to check and found a small crack in the oil pan. I slowly moved the car to a repair shop, where the mechanic fixed it by welding, costing around 600 RMB and half a day. Minor damage isn’t too difficult to repair, but if the crack is too large or internal components are damaged, you might need a new transmission, which could cost thousands. The key is to act quickly and not delay, otherwise, if all the oil leaks out, the transmission could burn out, leading to even greater losses. Later, I also installed an underbody guard to prevent similar accidents.
