fits model: Sienna. make: Toyota. year: 2017.

( Part Type: Emergency Brake ), ( Conditions Options: Ebrake Actuator W/cable ), ( Genuine Oem: Yes ), ( Ipn: 547.to1q17 ), ( Manufacturer Warranty: 1 Year )
The **Toyota 547.TO1Q17 Sienna (2017) Emergency Brake Assembly** is a precision-engineered, high-performance component designed to ensure optimal safety and reliability in Toyota s third-generation minivan. This part belongs to the **Sienna s rear axle braking system**, specifically tailored for models equipped with the **TO1Q17 engine variant**, which powers the vehicle s front-wheel-drive configuration. Crafted from durable, heat-resistant materials, the emergency brake assembly integrates seamlessly with the vehicle s hydraulic or mechanical braking mechanism, providing a fail-safe backup system in case of primary brake failure. The design incorporates a robust **self-adjusting mechanism**, ensuring consistent pad-to-rotor clearance over time, reducing wear and preventing premature brake drag. This assembly is engineered to withstand the demands of daily commuting, highway travel, and occasional heavy loads, offering consistent stopping power even under demanding conditions. Whether used in a family-friendly crossover or a commercial delivery van, this emergency brake system enhances overall braking efficiency while maintaining Toyota s reputation for dependable performance. For optimal functionality, it is recommended to pair this component with genuine Toyota brake pads, rotors, and hydraulic fluid to ensure compatibility and longevity. Proper installation and periodic maintenance, such as checking brake fluid levels and inspecting for wear, will further extend the service life of this critical safety feature.
### Pros and Cons of Buying a 2017 Toyota Sienna (Toyota 547.to1q17) with an Emergency Brake Issue
#### **Pros:**1. **Reliability and Durability** Toyota is well-known for building long-lasting vehicles, and the Sienna is no exception. The 2017 model is part of a proven lineup with a strong reputation for dependability, especially in the minivan segment.
2. **Spacious and Versatile Interior** The Sienna offers generous seating for up to eight passengers and a flexible cargo area that can be reconfigured for different needs, such as stowing a stroller or large items.
3. **Comfortable Ride** The Sienna is designed for comfort, with a smooth ride suitable for long trips. Its suspension system is well-tuned for both highway driving and city maneuvering.
4. **Fuel Efficiency** The 2017 Sienna comes with a 3.5L V6 engine paired with an 8-speed automatic transmission, offering decent fuel economy for a minivan (around 19-22 MPG combined, depending on the trim). It also has an available hybrid option (if applicable) that would improve efficiency further.
5. **Safety Features** The 2017 Sienna includes standard safety features such as Toyota Safety Sense (TSS) with pre-collision warning, lane departure alert, and automatic high beams (depending on the trim). It also earned good ratings in crash tests from the NHTSA and IIHS.
6. **Resale Value** Toyotas generally hold their value well, so even with some wear or an issue like the emergency brake, the Sienna may still retain a decent resale value compared to other minivans.
7. **Family-Friendly Amenities** The Sienna includes practical features like a sliding door on the driver s side, easy-to-clean interiors, and available amenities such as a rear entertainment system, power liftgate, and climate-controlled seats.
8. **Low Maintenance Costs** Toyota parts and labor are relatively affordable, and the vehicle s reliability means fewer unexpected repair bills over time.
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#### **Cons:**1. **Emergency Brake Issue** The most significant drawback is the emergency brake (also known as the parking brake) malfunction. This could be a safety concern, especially if the brake fails to engage properly or if it causes drag when released. A faulty emergency brake may require immediate attention to avoid further damage to the brake system or even a safety hazard during parking or on inclines.
2. **Potential Hidden Issues** A used vehicle, even from a reputable seller, may have other unseen problems. The emergency brake issue could be a symptom of a larger problem, such as worn brake pads, a malfunctioning parking brake cable, or an issue with the brake actuator. A thorough inspection by a trusted mechanic is essential before purchasing.
3. **Age of the Vehicle** The 2017 model is seven years old, which means it may require more maintenance than a newer vehicle. Components like tires, brakes, suspension parts, and the transmission could eventually need replacement.
4. **Hybrid Option Limitations** If the Sienna is not a hybrid, it may not offer the best fuel efficiency compared to newer hybrid minivans or other fuel-efficient vehicles. If it is a hybrid, the battery could degrade over time, adding to potential future costs.
5. **Resale Value Depreciation** While Toyotas hold their value, a vehicle with an emergency brake issue may depreciate faster than one in perfect condition. This could impact your long-term savings if you plan to sell or trade it in later.
6. **Size and Maneuverability** Minivans like the Sienna are larger and less agile than SUVs or sedans. Parking, navigating tight spaces, and driving in urban areas can be more challenging due to their size.
7. **Available Features May Be Limited** Depending on the trim level, some desirable features (e.g., premium audio, advanced driver-assistance systems, or luxury interiors) may not be included. This could affect your overall driving experience.
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### **Conclusion:**The 2017 Toyota Sienna is a practical and reliable choice for families or those needing a spacious, comfortable vehicle. Its reputation for durability and safety makes it an attractive option, especially if you prioritize long-term value and low maintenance costs. However, the emergency brake issue is a significant red flag that cannot be overlooked. This problem could lead to safety risks or additional repair expenses, potentially outweighing the vehicle s other benefits.
Before purchasing, you should:- Have the emergency brake thoroughly inspected by a trusted mechanic to assess the extent of the issue and the cost of repairs.
- Request maintenance records to ensure the vehicle has been well cared for.
- Test drive the vehicle to check for any other unusual noises, vibrations, or performance issues.
- Compare the repair cost of fixing the emergency brake with the vehicle s current market value to determine if it s a worthwhile investment.
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### **Recommendation:**If the emergency brake issue is minor and the repair cost is reasonable (e.g., a simple cable replacement or actuator adjustment), and the rest of the vehicle is in good condition, the 2017 Toyota Sienna could still be a solid purchase especially if you find it at a fair price. However, if the repair is costly (e.g., brake system overhaul) or if the vehicle has other hidden issues, it may not be worth the risk.
For the best value, consider negotiating the purchase price to account for the emergency brake issue. Alternatively, if you re open to other options, look for a newer or hybrid Sienna model (if available) or explore other reliable minivans like the Honda Odyssey or Chrysler Pacifica, which may offer better long-term savings or features.
Ultimately, prioritize safety and transparency. If the seller is unwilling to address the emergency brake issue or provide proof of its condition, it s best to walk away and seek a vehicle with no known mechanical problems.
Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Very happy customer, excellent value and service. If something is wrong with an order, we certainly do want to help you. Easy to find parts that don't require a mechanics knowledge.
More Parts: 1 Year Warranty. Free shipping only applies to items you keep. Please compare part numbers BEFORE purchasing. Model: SIENNA.
SIENNA 2017 Emergency Brake Parts 9584118: EBRAKE ACTUATOR W/CABLE Included: Hassle-free 1 Year Warranty Our Part #: 9584118. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Please disregard other fitment charts they may not be correct. Quality, Assured Parts All are Quality Tested Inspected.
Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver.