Toyota Sienna Oil Cooler Hose Recall: What You Need to Know

Toyota has addressed issues with the oil cooler hoses in certain Toyota Sienna models through warranty extensions and service campaigns, but no official recall was issued. Here’s a detailed overview of the situation and what it means for affected vehicle owners.
Toyota Sienna Oil Cooler Hose Issue
The problem involves the oil cooler pipes, particularly in 2007-2011 Toyota Sienna models equipped with the 2GR-FE V6 engine. These pipes were partially made of rubber, which can degrade over time due to exposure to high heat. This degradation may lead to oil leaks or even sudden ruptures, potentially causing engine failure if not addressed promptly.
Key Details:
- Affected Models: 2007-2011 Toyota Sienna, along with certain Highlander and Venza models.
- Cause: Rubber sections of the oil cooler hoses become brittle and fail over time.
- Risk: Loss of engine oil can lead to catastrophic engine damage if not detected early.
Limited Service Campaign (LSC) ZE2
Toyota launched a Limited Service Campaign (LSC) ZE2 to address this issue. Under this program:
- The faulty oil cooler pipes were replaced with upgraded metal versions.
- Repairs were provided at no cost to owners within specific coverage periods:
- Secondary Coverage: Up to 10 years from the vehicle's first use or 150,000 miles, whichever came first.
Important Notes:
- The campaign was not classified as an official safety recall but rather a warranty enhancement.
- Owners were notified via mail starting in July 2014.
Current Status
For vehicles outside the warranty coverage period, owners must bear the repair costs. The replacement typically involves upgrading to metal oil cooler lines, which are more durable and resistant to heat. Repair costs can range from $350 to $700, depending on labor charges and parts availability.
What Should Owners Do?
If you own a 2007-2011 Toyota Sienna:
- Check for Symptoms: Look for signs of oil leaks, such as burning oil smells or visible oil under the vehicle.
- Inspect Your Vehicle: Confirm whether your vehicle still has rubber oil cooler hoses. If so, consider replacing them with metal ones as a preventive measure.
- Contact Toyota: If you believe your vehicle qualifies for extended warranty coverage under LSC ZE2, contact your local Toyota dealer for assistance.
FAQs About Toyota Sienna Oil Cooler Hose Recall
- Is there an official recall for this issue?
No, this was addressed through a Limited Service Campaign (LSC) and warranty extensions. - What happens if the hose fails?
A failure can cause rapid oil loss and potentially lead to severe engine damage. - Can I still get free repairs?
Only if your vehicle is within the extended warranty period; otherwise, repairs are at your expense. - How much does it cost to replace the hoses?
The cost ranges from $350 to $700 depending on labor and parts.
Owners should act promptly to avoid costly engine repairs by addressing this issue proactively.
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