When is the Best Time to Check Your Transmission Fluid: Hot or Cold?

Learn the right way to check your transmission fluid—should it be hot or cold? Find out the best practices for maintaining your vehicle.

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Check transmission fluid when the engine is warm and running. Park on a level surface, engage the parking brake, and shift through all gears before placing it in 'Park' or 'Neutral.' Locate the transmission dipstick, wipe it clean, reinsert, and then check the fluid level. It should fall between the 'Full' and 'Add' marks. If it’s below 'Add,' consider topping it up using the fluid type specified in your vehicle's manual.

FAQs & Answers

  1. Do you check transmission fluid with the engine on or off? You should check transmission fluid with the engine running and warm for accurate levels.
  2. How often should you check transmission fluid? It's good to check your transmission fluid every 30,000 miles or as recommended in your vehicle manual.
  3. What does low transmission fluid indicate? Low transmission fluid can indicate leaks or that it's time for a fluid change, which can affect vehicle performance.