Transmission Overheating – Troubleshooting and Solutions

Transmission overheating is a common problem that can lead to costly repairs if left unattended. When the transmission overheats, it can cause the fluid to break down, which can lead to slipping gears, shuddering, and eventually transmission failure. There are a number of things that can cause transmission overheating, including:

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  • Low fluid levels: The transmission fluid is responsible for lubricating and cooling the transmission gears. If the fluid level is low, the gears will not be properly lubricated and cooled, which can lead to overheating.
  • Dirty fluid: The transmission fluid can become contaminated with dirt, metal shavings, and other debris over time. This can clog the fluid filter and restrict the flow of fluid, which can lead to overheating.
  • Slipping gears: If the transmission gears are slipping, it can create excessive friction, which can lead to overheating.
  • Blockages in the cooling system: The transmission cooler is responsible for dissipating heat from the transmission fluid. If the cooler is blocked, the fluid will not be able to cool down properly, which can lead to overheating.

Symptoms of Transmission Overheating

There are a number of symptoms that can indicate that your transmission is overheating, including:

  • Slipping gears: This is one of the most common symptoms of transmission overheating. The gears may slip when you are accelerating or shifting gears.
  • Shuddering: The transmission may shudder when you are shifting gears or when you are driving at low speeds.
  • Burning smell: If you smell a burning smell coming from the transmission, it could be a sign that the fluid is overheating.
  • Leaking fluid: If you see transmission fluid leaking from the transmission, it could be a sign that the fluid is overheating and the seals are failing.

How to Fix Transmission Overheating

If you think your transmission is overheating, it is important to take it to a mechanic right away. The mechanic will be able to diagnose the problem and recommend the best course of action. In most cases, the mechanic will need to replace the transmission fluid and filter and flush the cooling system. In some cases, the mechanic may also need to replace the transmission cooler or the transmission gears.

5 Transmission Overheating Symptoms: Causes, Fixes, And Prevention
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How To Fix Transmission Overheating

How to Prevent Transmission Overheating

There are a few things you can do to help prevent transmission overheating, including:

  • Check the transmission fluid level regularly: The transmission fluid level should be checked every 30,000 to 50,000 miles. If the fluid level is low, add fluid as needed.
  • Change the transmission fluid and filter regularly: The transmission fluid and filter should be changed every 30,000 to 50,000 miles. This will help to keep the fluid clean and free of debris.
  • Flush the cooling system regularly: The transmission cooler should be flushed every 30,000 to 50,000 miles. This will help to remove any blockages that could restrict the flow of fluid.
  • Avoid driving in stop-and-go traffic: Stop-and-go traffic can put a lot of stress on the transmission, which can lead to overheating. If possible, avoid driving in stop-and-go traffic for extended periods of time.
  • Don’t tow heavy loads: Towing heavy loads can put a lot of stress on the transmission, which can lead to overheating. Avoid towing heavy loads unless absolutely necessary.

By following these tips, you can help to prevent transmission overheating and keep your transmission running smoothly for years to come.


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