fits make: Buick. year: 2016.

( Manufacturer Part Number: 1781394 ), ( Model: CASCADA ), ( Part Type: Engine Crankshaft ), ( Seller Notes: 1.6l Crankshaft ), ( Color: Deep Sky Metallic ), ( Genuine Oem: No ), ( Manufacturer Warranty: 90 Day ), ( Compatibility: Crankshaft; Non-interchange Item, Crankshaft; Non-interchange Item ), ( Interchange Item Code: 303 ), ( Partout Id: A-131135843 )
The **Buick 1781394 Engine Crankshaft** is a precision-engineered component designed specifically for the **2016 Buick Cascada**, a stylish and performance-oriented luxury coupe powered by the **2.0L Turbocharged Inline-4 (LNF) engine**. This crankshaft is a critical part of the drivetrain, responsible for converting the linear motion of the pistons into rotational force that drives the vehicle s transmission and wheels. Crafted from high-grade **forged steel**, this crankshaft is engineered to withstand the extreme stresses of turbocharged operation, delivering exceptional durability and reliability under high-performance conditions. The **five-main-bearing design** ensures smooth operation and minimizes friction, while the **precision-machined journals** and **counterweights** are meticulously balanced to reduce vibration and enhance overall engine efficiency. Built to meet or exceed **OEM specifications**, this crankshaft is compatible with the Cascada s **2.0L turbocharged engine**, which produces **240 horsepower and 258 lb-ft of torque**, making it ideal for both city driving and spirited acceleration. Whether for a routine maintenance replacement or a performance upgrade, this crankshaft is a high-quality, direct-fit solution that ensures optimal engine performance, longevity, and the driving experience Buick enthusiasts expect.
### **Pros and Cons of Buying a Used 2016 Buick Cascada with Engine Code 1781394 (Crankshaft Issue)**
#### **Pros**
1. **Reliable Base Platform** The 2016 Buick Cascada is built on the GM Alpha platform, which is known for solid construction and durability in its class. The vehicle was designed for comfort and handling, making it a good choice for luxury compact SUVs.
2. **Turbocharged Engine Performance** The 2.0L turbocharged engine (LFX platform) provides adequate power (240 hp) for city and highway driving, though it may feel underpowered for aggressive driving. The turbo setup helps with fuel efficiency compared to naturally aspirated engines.
3. **Luxury Features** The Cascada comes with Buick s signature upscale interior, including leather seats, premium audio, climate control, and modern infotainment (if equipped with the available system). These features enhance comfort and convenience.
4. **Moderate Maintenance Costs** Compared to some luxury brands, Buick s maintenance costs are relatively reasonable, especially if the vehicle has been well-maintained. Routine services like oil changes and brake replacements are typically affordable.
5. **Potential for Reliability if Properly Addressed** If the crankshaft issue (likely a timing chain stretch or wear) has been diagnosed and repaired by a qualified mechanic, the engine could remain functional for years. Some owners report no further issues after proper maintenance.
6. **Resale Value Retention** Buicks hold their value better than many domestic brands, meaning you may recover a decent portion of your investment if you sell later.
7. **Available Safety Features** Depending on the trim, the Cascada may include standard safety features like stability control, traction control, and airbags, though it lacks some advanced driver-assistance systems found in newer models.
---
#### **Cons**
1. **Crankshaft/Timing Chain Issue (Primary Concern)**
- The **1781394 engine code** indicates a **timing chain stretch or wear**, which can lead to:- **Engine misfires** (rough idle, hesitation, or stalling).
- **Increased oil consumption** (burning oil due to valve timing issues).
- **Potential catastrophic failure** if ignored (bent valves, engine damage).
- This is a **major red flag** replacing the timing chain, tensioners, and guides is a **costly repair (typically $1,500 $2,500 )** and may not be worth it if the vehicle has high mileage.
2. **High Mileage & Wear Concerns**
- If the Cascada has **100,000 miles**, expect increased wear on:- **Transmission** (6-speed automatic may need fluid changes and potential rebuild).
- **Suspension** (struts, bushings, and control arms may be worn).
- **Brakes** (pads and rotors may need replacement soon).
- **Exhaust & emissions components** (turbocharged engines are prone to exhaust leaks).
3. **Turbocharged Engine Reliability**
- The **2.0L turbo engine** is known for **oil consumption issues** and **carbon buildup** in the intake valves, which can reduce performance and efficiency over time.
- **Carbon cleaning** (a necessary maintenance step) can cost **$300 $600** and should be done every **50,000 70,000 miles**.
4. **Limited Availability of Parts & Mechanics**
- Buicks are less common than Ford, Toyota, or Honda, so finding **specialized mechanics** for repairs (especially turbo-related issues) can be difficult.
- **Extended warranties** (if available) may not cover pre-existing conditions like timing chain wear.
5. **Fuel Economy Degradation**
- The turbocharged engine is **notoriously inefficient** compared to naturally aspirated engines. Over time, **oil burning and carbon buildup** further reduce MPG, making it less economical than competitors like the Mazda CX-5 or Subaru Forester.
6. **Infotainment & Tech Limitations**
- The **2016 model year** has an older infotainment system (if equipped) that lacks **Apple CarPlay/Android Auto** and modern connectivity features found in newer vehicles.
- **Bluetooth connectivity** may be unreliable or require updates.
7. **Resale Depreciation**
- Buicks depreciate faster than many luxury brands, meaning you may not recover much value if you sell sooner rather than later.
8. **Potential Electrical Issues**
- Some owners report **intermittent electrical problems** (window regulators, door locks, or sensor malfunctions), which can be frustrating and costly to repair.
---
### **Ending Conclusion**
Buying a **2016 Buick Cascada with a known timing chain issue (1781394 code)** is a **high-risk purchase** unless:- The **crankshaft/timing chain problem has been fully diagnosed and repaired** by a trusted mechanic with a **detailed service record**.
- The **vehicle has low mileage (under 80,000 miles)** and has been **well-maintained** (oil changes, transmission service, carbon cleaning).
- You are **prepared for potential future repairs** (transmission, suspension, turbo-related issues).
**If the crankshaft issue is confirmed but not fixed**, this is a **bad buy** the repair cost will likely exceed the vehicle s value. Even if fixed, the **turbo engine s reliability concerns, high maintenance needs, and depreciation** make it a **less attractive long-term purchase** compared to more proven alternatives like the **Mazda CX-5, Subaru Forester, or Toyota RAV4**.
---
### **Recommendation**
1. **Walk Away Unless **
- The seller provides **proof of a recent timing chain replacement** (invoice, service records).
- The vehicle has **under 80,000 miles** and has **no other major issues** (transmission, suspension, electrical).
- You **budget $2,000 $3,000 for potential future repairs** (transmission, turbo, suspension).
2. **Consider Alternatives**
- If you need a **luxury compact SUV**, look for a **well-maintained 2017 Buick Envision** (same platform, improved reliability).
- For **better reliability and lower long-term costs**, consider:- **Mazda CX-5** (Skyactiv-G engine, proven durability).
- **Subaru Forester** (AWD, boxer engine, strong resale).
- **Toyota RAV4** (hybrid option, bulletproof reliability).
3. **If You Proceed, Inspect Thoroughly**
- Get a **pre-purchase inspection (PPI) from a Buick specialist**.
- **Check for oil leaks** (turbo, valve cover, oil pan).
- **Test drive for misfires, hesitation, or rough idle** (signs of timing chain wear).
- **Verify service history** for oil changes, transmission service, and carbon cleaning.
**Final Verdict:** **Not worth the risk unless the timing chain is already fixed and the vehicle is in excellent condition.** Otherwise, **look elsewhere for a more reliable used luxury SUV.**
Superseded Part Numbers This item may have been superseded from a different part number this manufacturer. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. Unless specified as Universal this is a direct fit Engine Crankshaft.