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Toyota Tundra Troubleshooting: What to Do When Your Transmission is Slipping?
The Toyota Tundra has faced numerous challenges with its transmission system ever since the release of its second-generation model back in 2007. Many Tundra owners report issues with hesitation when their automatic transmission shifts gears. (For more information on sequential manual and continuously variable transmissions, click those links.)
If you're experiencing similar issues with your Tundra, here are some steps you might consider:
### Transmission Fluid
One common cause of sluggish or hesitant gear shifts could be related to the transmission fluid. Toyota recommends keeping the fluid at the proper level to ensure smooth operation. The transmission fluid serves two critical functions: cooling and lubrication. Without sufficient fluid, overheating can severely damage the transmission.
To address potential fluid issues:
- On older models, check the fluid level using the dipstick. If the fluid is low, top it off. If it appears discolored (new fluid should be red) or smells burnt, it’s probably time to flush the system.
- Newer models don’t have a dipstick. Contact your dealership to have them check and refill the fluid using specialized tools. These transmissions are "sealed" and require specific procedures to ensure they’re filled correctly at the right temperature.
- Use only Toyota AT WS fluid, which can only be obtained through dealerships. While Toyota claims these transmissions don’t need servicing until 100,000 miles, many owners find this timeline unrealistic. Addressing any issues early can prevent major damage and allow you to take advantage of relevant Technical Service Bulletins.
**Important Note:** Avoid having chain service centers like Jiffy Lube work on your transmission. Toyota has strict guidelines for refilling transmission fluid, and they discourage flushing the system entirely. Instead, they recommend simply draining and refilling it.
### Torque Converter
Another potential issue lies within the design of the torque converter. Some Tundra owners have reported difficulty with the converter disengaging properly after a gear shift, leading to noticeable shuddering and jerky movements.
This problem has been acknowledged by Toyota through a Technical Service Bulletin. If you experience such symptoms, inform your dealer immediately to explore replacing the component.
### Moving Forward
If the issues persist even after addressing the fluid and torque converter problems, consult with a dealer to rule out other possible malfunctions. Pay particular attention to any check engine lights, unusual vibrations, or abnormal noises.
Stay informed about Toyota’s Technical Service Bulletins. The company and its dealer network have shown a commitment to resolving Tundra issues promptly and will assist you in finding solutions.
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