How long does transmission fluid last in the bottle?

-BobtheOilGuy.com recommends a shelf life of 2 years max under protected conditions. Does not apply to previously OPENED bottles.

How long can transmission fluid sit?

Transmission fluid does need to be changed from time to time, and the most accurate answer to the question is that the fluid will usually last between 30,000 and 60,000 miles. That said, if your vehicle sustains heavy use, you could have to change the transmission fluid in as few as 15,000 miles.

Does transmission fluid go bad over time?

Like other vital automotive fluids, transmission fluid deteriorates over time. … If you do a lot of driving under high-stress conditions, you should check the transmission fluid level more often and have a repair shop check the condition of the fluid.

Does transmission fluid deteriorate with age?

The transmission fluid has a burnt odor. Aging transmission fluid can easily deteriorate under the extreme heat generated by the transmission itself. … The fluid hasn’t been changed in over 100,000 miles. At this point, it’s better to plan ahead for a rebuild or replacement.

How do I know if my transmission fluid is bad?

Healthy transmission fluid should be relatively clear or pink in color. If your transmission fluid is deep red or brown, your transmission fluid is old and most likely causing extra damage within your transmission. If it is dark brown, that is a sign you have burnt transmission fluid from overheating.

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Can I use old transmission fluid?

If the valve body gets all gunked up with transmission fluid that’s damaged, the driver could lose the ability to shift between gears. And that’s why so many people believe that changing old transmission fluid can cause it to slip. … Simply change your transmission fluid regularly and you won’t have to worry about it!

Can a transmission go bad just sitting?

A car can sit for years and the transmission still work as long as there’s fluid in the transmission. The dipstick tube seal leaks and fluid leaks out. Fill it to the full mark and start the engine.

How do you know when to change your transmission fluid?

Seven Signs Your Transmission Needs to be Serviced

  1. 1) Your Transmission is Slipping. …
  2. 2) Your Transmission is Leaking Fluid. …
  3. 3) Your Transmission Emits an Unusual Odor. …
  4. 4) Your Transmission Causes Rough Idling. …
  5. 5) Your Transmission Shifts Poorly. …
  6. 6) Your Vehicle Accelerates Poorly.

Why you should never change transmission fluid?

If you don’t change your transmission fluid frequently, the dirty fluid will not serve as an effective lubricant and it won’t disperse heat well. This will cause wear and tear on the clutches and other parts of your transmission.

How much does a transmission fluid change cost?

How Much Does a Transmission Fluid Change Cost? The cost to have your fluid changed by a dealer, service center or independent mechanic ranges from $80 to $250. The average cost is around $100 for both automatic and manual transmissions.

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