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What are the causes of the transmission oil pump failure in the Audi Q5?

2 Answers

Skylar

07/24/25 12:52pm

The main cause of transmission oil pump failure is the presence of a large amount of metal shavings and impurities in the transmission fluid. Reasons why metal shavings damage the oil pump: Over time, the transmission filter accumulates iron filings and impurities from mechanical wear inside the transmission. If the transmission fluid is not replaced regularly, the filter reaches its absorption limit and can no longer trap additional impurities. As a result, the transmission fluid becomes contaminated with a significant amount of metal shavings and impurities. When this contaminated fluid enters the oil pump, it causes internal wear, leading to oil pump failure. Hazards of oil pump damage: In the early stages of oil pump damage, symptoms may include poor acceleration, jerking, or hesitation when accelerating. Over time, intermittent issues such as failure to engage gears may occur, especially when the car is warm. Eventually, the vehicle may not move even when gears are engaged. Vibration at 100 mph can also indicate an oil pump issue. In severe cases of oil pump damage, the only solution is to replace the oil pump.

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OPresley

08/11/25 6:57am

I've seen many Audi Q5 owners at repair shops complaining about transmission oil pump failures. Usually, it's due to inadequate maintenance, such as not changing the transmission oil for a long time. After exceeding 50,000 kilometers, the oil thickens and accumulates impurities that clog the internal passages of the pump. Especially with the Audi Q5's dual-clutch design, during high-load conditions like frequent city stop-and-go driving, the oil temperature rises excessively, accelerating wear. Some people also use the wrong oil type or incompatible oil products, leading to lubrication failure. Water immersion or external impacts from accidents can also damage it, so checking the sealing components during the rainy season is crucial. If a problem is detected, stop the vehicle immediately to avoid greater losses. I recommend regular maintenance and oil changes for prevention; otherwise, repair costs can easily exceed 10,000 to 20,000 yuan.

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