Greetings friends, and welcome back to Rick’s Garage. Today, we’ll be working on a 2010 Hyundai Santa Fe all-wheel drive with a 2.4-liter engine. The car came in with the engine light on and belongs to my sister-in-law, who is a widow and doesn’t have much money. Let’s see what’s going on.
After diagnosing, I found that the car had the dreaded P0711 code, indicating a potentially faulty temperature sensor in the transmission. To confirm this, I cleared the code, let the engine cool down completely, and then took it for a test drive. The code came back almost immediately, confirming the faulty sensor.
Despite the lack of information on YouTube about replacing the sensor in this particular model, I decided to take on the challenge and document the process. The sensor is located under the valve body cover at the front of the transmission, so the first step was to remove the 19 bolts holding the cover in place. This required access from both the top and the bottom of the vehicle.
After removing several components and draining the transmission fluid, I encountered some difficulties with the cover but eventually found a way to remove it. Once the cover was off, I identified the sensor and proceeded to replace it, opting not to replace the wiring harness to save my sister-in-law some money.
After reassembling everything, I went through the process of refilling and checking the transmission fluid, ensuring that the car was back in running condition. The total cost of the job was around sixty dollars, a considerable saving for my sister-in-law.
Despite the challenges faced during the process, the job was a complete success, and the car no longer had the transmission code. I saved my sister-in-law a significant amount of money, and she was very happy with the outcome.
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What is the issue with the 2010 Hyundai Santa Fe’s engine?
The engine light was on with the dreaded P0711 code, indicating a faulty temperature sensor in the transmission.
How did the mechanic confirm the faulty sensor?
The mechanic cleared the code, let the engine cool down completely, took it for a test drive, and the code came back almost immediately, indicating a faulty sensor.
How did the mechanic access the faulty sensor for replacement?
The sensor is located under the valve body cover in the front of the transmission. The mechanic removed the valve body cover, accessed the sensor, and replaced it.
What precautions were taken while refilling the transmission fluid?
To refill the transmission fluid, the mechanic poured the old fluid back in, used a paint strainer in the funnel to catch debris, and ensured the car was level before checking the fluid level.
Did the mechanic replace the wiring harness for the sensor?
No, the mechanic decided not to replace the wiring harness due to cost constraints for the owner, but recommended referring to YouTube videos for harness replacement.