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Why is it said that the transmission fluid of the Regal should never be changed?

2 Answers

ManuelFitz

07/24/25 12:35am

The reason why the transmission fluid of the Regal should never be changed: The transmission fluid of the Regal can be changed, and replacing it when a fault occurs is a good solution. The phrase 'should never be changed' refers to not replacing it casually, as many transmission fluids cannot be mixed. The function of transmission fluid is to lubricate the gears, and generally, as long as there is no leakage, it does not need to be replaced. The Regal is one of Buick's successful strategic models, featuring the brand's new sculptural aesthetic design language. The larger-sized winged chrome grille extends horizontally from the centerline, with the shield-shaped upper grille complementing the trapezoidal lower grille that flares outward. Combined with the air curtain design on both sides, the front face presents a wide-body, low-slung sporty presence.

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JosieDella

08/10/25 8:16pm

I've seen many people discussing the misconception that the Regal's transmission fluid shouldn't be changed. Some believe that replacing the new fluid will stir up metal debris inside the transmission, clogging the filter or valves, which could lead to rough shifting. However, as an automatic transmission vehicle, the Regal's transmission fluid is responsible for lubricating gears and cooling the system. Over time, it becomes thicker and corrodes components, accelerating wear. I've inspected many similar models, and regular fluid changes can prevent heat buildup that causes slippage or even transmission failure. Buick's manual typically recommends inspection and replacement every 60,000 kilometers. Neglecting this maintenance will only increase repair costs and the risk of vehicle failures in the long run. Honestly, finding a reliable repair shop to perform standard service with the correct professional fluid is completely fine—don't be misled.

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