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Question:

how do transmissions get messed up?

We were just told by a mechanic that are cars transmission is messed up and we want to know why it gets messed up so we can avoid it when we get a new car.

Answer:

Things, including transmissions, wear out. High mileage, poor maintenance, defective parts, are all a part of the reasons tranny's fail. Most transmissions have bearing, gears, shafts, and other wear items which ccan be replaced when rebuilding the transmission, these just wear out, and need rebuilding.
If it is nevertheless below assure i'd have it towed to a dealership for fix. it is almost no longer achievable for them to assert it is your fault. computerized transmissions have a fashion of self destructing at the same time as something comes loose as they're noticeably pressurized and extremely complicated. maximum vehicles have a ratchet equipment to shop that from taking position, yet going 80mph will be more beneficial than that ratchet equipment might want to cope with that may recommend it is damaged and bouncing round contained in the trans. you're maximum in all probability going to choose both a rebuild or a clean transmission. i'm hoping, on your sake, that i'm incorrect.
Heat is the number 1 reason for automatic transmission failures. Temperatures inside an automatic transmission can exceed 300 degrees Fahrenheit during normal driving. Most vehicles with automatic transmissions have the fluid cooled through a tank inside the radiator. Antifreeze circulates around the tank which in turn cools the transmission fluid. Poor maintenance such as letting the radiator run low or out of coolant, and long times between fluid and filter changes can shorten the life of your transmission. Manual transmissions on the other hand are more durable but that doesn't mean they are indestructible. Again, it comes down to regular fluid changes. It's not uncommon for a synchronize gear to go bad in a manual transmission from rough shifting or improper clutch adjustment.

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