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Is Slight Transmission Oil Leak Serious?

3 Answers

DiKhloe

09/02/25 5:32am

Transmission slight oil leak is not serious. Here are the specific details about transmission oil leakage: Causes: The main causes of transmission oil leakage are damaged sealing gaskets or pipeline damage. Pipeline damage causes oil to leak from the damaged area during circulation; at the connection between the transmission and the engine, damaged sealing gaskets or loose fastening bolts lead to an enlarged connection gap, reducing sealing effectiveness and causing oil to seep from the connection gap. If the root cause is not identified in time, the oil leakage issue will persist. Effects: Transmission oil leakage can result in insufficient lubrication, accelerating friction between gears. Oil also serves to cool and remove impurities within the transmission. Prolonged lack of lubrication can cause the transmission to fail.

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DeElaina

09/14/25 7:38am

I've driven dozens of cars, and a slight transmission oil seepage isn't an immediately critical issue, but it's absolutely not something to take lightly. I've encountered similar situations before - it starts as just a small oil stain on the ground that seems insignificant, but if ignored, the gradually decreasing oil level leads to increased transmission temperature and some jerky shifting. This is usually caused by aging or loose seals/screws, and the repair is actually quite simple - just replace the seal at a repair shop for about 100-200 yuan. However, if left untreated, complete oil loss increases internal gear friction, and soon you might need major repairs or even a full transmission replacement costing thousands. I recommend checking the dipstick immediately to confirm oil levels, and regular undercarriage maintenance can prevent such issues from worsening.

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Eugenia

09/14/25 7:40am

My family car once had a minor transmission oil seepage issue. At first, I thought it was a small problem and didn’t matter, so I just wiped off the oil stains and kept driving. After a while, the fuel consumption noticeably increased, and gear shifting became less smooth. That’s when I realized the low oil level might be affecting transmission efficiency. At the repair shop, the mechanic found it was due to a worn-out oil seal. Replacing the part fixed the problem in less than half a day at a reasonable cost. Ignoring it could have led to several potential consequences, such as shortening the transmission’s lifespan, increasing maintenance costs, or causing unexpected failures that disrupt daily commutes. The lesson I learned is to address even the smallest issues promptly to maintain vehicle reliability and save on long-term expenses.

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