2001 Toyota 4runner PO770
Summary
TLDRIn this video, the mechanic addresses a transmission issue in a 2001 Ford Mustang by replacing a faulty shift solenoid. After discovering the dealership couldn't specify the correct solenoid, the mechanic tests three types, identifies the defective one, and purchases a replacement. The video demonstrates the installation process, including removing the transmission pan, replacing the solenoid, and reassembling the components. The mechanic opts for silicone over a gasket to prevent leaks, concluding with a successful test drive, saving the cost of a new transmission.
Takeaways
- 🔧 The video discusses a problem with a 2001 Toyota 4Runner's transmission fluid.
- 🚗 The issue was identified after checking the fluid and transmission pan, which had been replaced with aftermarket parts.
- 🔌 The problem was traced to a faulty shift solenoid, specifically the 'A' solenoid in a Pio 770 transmission.
- 🛠️ The video demonstrates how to test solenoids by applying 12-volt power and listening for a 'click' sound to determine functionality.
- 💡 The dealership was unable to specify which solenoid was needed, so all three were tested, and the faulty one was identified and replaced.
- 💰 The cost of a new solenoid from the dealership was high, around $300, but a discount was negotiated to around $280.
- 🔩 The video provides a step-by-step guide on how to replace the solenoid, including disconnecting wiring and removing the sway bar.
- 🔌 It explains the color-coded wiring connections for the solenoid, ensuring correct reinstallation.
- 🛠️ The video advises against using the provided gasket due to leakage issues, recommending silicone for a better seal.
- 🎥 The final steps of reassembling the transmission and testing the vehicle are not shown, but the problem was resolved successfully.
Q & A
What is the main issue discussed in the script?
-The main issue discussed is a problem with a shift solenoid in a 2001 Toyota 4Runner's transmission system.
What is the shift solenoid mentioned in the script?
-The shift solenoid is an electronic component responsible for controlling the flow of transmission fluid, which allows the automatic transmission to shift gears.
How did the person diagnose the issue with the solenoid?
-The person diagnosed the issue by removing three solenoids and testing them with a 12-volt power source. Two solenoids clicked, indicating they were working, but one did not, confirming the faulty solenoid.
What was the cost of replacing the faulty solenoid at the dealership?
-The cost of replacing the faulty solenoid at the dealership was around $300. However, with a discount, it came down to approximately $280.
Why did the person use silicone instead of a gasket for the transmission pan?
-The person used water-resistant silicone instead of a gasket because aftermarket gaskets tend to leak often, and silicone provided a more reliable seal.
What other components were removed to access the transmission pan?
-To access the transmission pan, the person had to drop the sway bar, although not entirely, just enough to create space for the removal of the oil pan.
How did the person verify which solenoid was faulty?
-The person applied 12 volts to each of the three solenoids. The faulty solenoid did not click when voltage was applied, whereas the functioning solenoids made a clicking sound.
What challenge did the person face when identifying the correct solenoid for replacement?
-The challenge was that the dealership and curl reader could not pinpoint which solenoid was faulty because there were multiple types of solenoids. The person had to remove all three and match them with the dealership's available parts.
What was the final outcome after replacing the solenoid and reassembling the transmission?
-After replacing the solenoid and reassembling the transmission, the person test-drove the vehicle and confirmed that the issue was resolved.
What advice does the person offer to others with a similar transmission issue?
-The person advises testing the solenoids to determine which one is faulty before replacing any parts, as the curl reader does not specify which solenoid is the problem.
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