CHEVROLET 17803771 Auto Transmission Wnty 400-560 FT08 2.9L 4X2 76K

( Manufacturer Part Number: 17803771 ), ( Model: COLORADO ), ( Part Type: Transmission ), ( Ipn: 400-560 ), ( Condition And Options: At; 2.9l, 4x2 )

Review CHEVROLET Colorado Auto Transmission 2.9l 4x2 76k Miles Month Wnty fits 2008

The **Chevrolet 17803771 FT08 Automatic Transmission** is a robust and reliable powertrain component designed specifically for the 2.9L inline-six engine found in select Chevrolet and GMC vehicles, including models like the S-10, Silverado, and GMC Sonoma from the late 1980s and early 1990s. This transmission is a **4-speed automatic (FT08)**, featuring a **warm-up torque converter** (WNTY), which enhances cold-weather performance by reducing stall speed during startup, ensuring smoother acceleration and improved drivability in colder climates. Built with a **4x2 (two-wheel drive) configuration**, it is optimized for front- or rear-wheel-drive applications, delivering precise shifting and efficient power transfer to the wheels. The transmission s compact yet durable design incorporates a **helical cut gear set**, providing quiet operation and extended longevity, while its **band-and-clutch-based shifting mechanism** ensures smooth transitions between gears. This unit is engineered to handle the torque demands of the 2.9L V6 engine, offering a balance of performance and fuel efficiency, making it a dependable choice for both daily driving and light-duty work applications. Whether restoring a classic pickup truck or upgrading an older vehicle, the **17803771 FT08** remains a trusted transmission solution, combining reliability with the practicality of automatic shifting for a seamless driving experience.

### **Pros and Cons of Buying a 1988 Chevrolet C/K 2500/3500 4x2 with a 2.9L Turbo Diesel (Vin 17803771 FT08, Automatic Transmission)**

#### **Pros**

1. **Reliability of the 2.9L Turbo Diesel Engine**

- The **Isuzu 2.9L turbo diesel** (shared with GM s G-series trucks) is known for its durability, especially in heavy-duty applications. With proper maintenance, these engines can easily exceed **500,000 miles** before major issues arise.

- The turbocharger and intercooler system provide strong torque, making it well-suited for towing and hauling.

- Parts are widely available, and the engine is a common choice for truck enthusiasts looking for a long-lasting powerplant.

2. **Automatic Transmission (4L60 or 4L60E)**

- The **4-speed automatic** (likely a **4L60 or 4L60E**) is robust for its time and can handle heavy loads if maintained. Many of these transmissions last well over **200,000 miles** with proper fluid changes and occasional rebuilds.

- Smoother shifting than manual transmissions of the era, which is a plus for daily driving.

3. **4x2 Configuration (Two-Wheel Drive)**

- **Better fuel efficiency** compared to 4x4 models, making it more economical for daily use if off-roading isn t a primary need.

- Simpler drivetrain with fewer components to fail, reducing maintenance costs.

- Easier to maintain than a 4x4 system, which can be prone to transfer case and axle issues.

4. **Classic C/K Truck Platform**

- The **1988 C/K series** (especially the 2500/3500) is a solid, no-frills work truck with a strong frame and body-on-frame construction.

- High ground clearance and sturdy suspension make it capable for light off-roading or rural use.

- Customization potential many owners modify these trucks for towing, hauling, or even restoration projects.

5. **Lower Purchase Price (Used Market)**

- As a **20 year-old truck**, the purchase price is likely reasonable, especially if it s been well-maintained.

- Parts and labor costs are often cheaper than newer trucks, making repairs more affordable.

6. **Potential for Heavy-Duty Modifications**

- The chassis is strong enough to support aftermarket upgrades like **heavy-duty suspension, larger wheels, or increased towing capacity**.

- Some owners convert these into **work trucks, camper toppers, or even hot rods** with the right modifications.

---

#### **Cons**

1. **Age and Wear**

- **25 years old** means the truck has likely seen significant mileage. Rust, worn suspension, and aging components (like the exhaust manifold, head gaskets, or turbo) are common concerns.

- **Rust** is a major issue for many older GM trucks, especially in snowy or humid climates. A thorough inspection of the frame, wheel wells, and undercarriage is essential.

2. **Maintenance Requirements**

- **Turbocharged engines** require **regular oil changes with the correct viscosity** (typically 15W-40 or 20W-50) to prevent sludge buildup.

- **Fuel system issues** (clogged injectors, failing fuel pump) can develop over time, especially if the truck hasn t been driven frequently.

- **Transmission fluid** should be changed every **30,000 50,000 miles** to prevent premature failure.

3. **Potential Transmission Problems**

- **4L60/4L60E automatics** can develop **slippage, rough shifting, or internal wear** if fluid hasn t been changed regularly.

- **Torque converter issues** (leaking or failing) are common in older automatics.

- **Replacing the transmission** can be expensive, often costing **$2,000 $4,000** for a rebuilt unit.

4. **Emissions and Modern Compliance**

- **No modern emissions controls** (like OBD-II or catalytic converters) mean the truck may not pass **modern smog checks** in some states.

- **Aftermarket emissions deletions** (if present) could void insurance or make the truck harder to sell later.

5. **Safety and Modern Standards**

- **No modern safety features** (airbags, ABS, stability control, or electronic stability programs).

- **Poor visibility** compared to modern trucks, especially with heavy-duty beds or aftermarket lifts.

- **Higher risk of accidents** due to outdated braking and handling systems.

6. **Fuel Economy Limitations**

- While better than a 4x4, the **2.9L turbo diesel** still gets **around 8 12 MPG** in mixed driving, which is poor compared to modern diesel or gasoline trucks.

- **Diesel fuel costs** can be higher than gasoline in some regions.

7. **Resale Value**

- **Very low resale value** these trucks are niche and not in high demand unless they re restored or modified.

- If you plan to sell later, you may not recover much of your investment.

8. **Potential Hidden Issues**

- **Head gasket failure** (common in older diesel engines if overheating occurs).

- **Turbo failure** (expensive to replace, often **$1,000 $2,500**).

- **Suspension wear** (shocks, bushings, and ball joints degrade over time).

- **Electrical gremlins** (old wiring, failing sensors, or starter issues).

---

### **Ending Conclusion**

- You **prioritize durability and low operating costs** over modern convenience.

- You **plan to maintain it properly** (oil changes, transmission fluid, rust prevention).

- You **don t need daily highway driving** it s better suited for **work, towing, or occasional use**.

- You **enjoy working on or modifying trucks** and aren t afraid of some wear-and-tear.

- You **need a reliable, low-maintenance daily driver** with modern safety features.

- You **live in a rust-prone area** and haven t inspected the truck thoroughly for corrosion.

- You **can t afford unexpected repairs** (transmission, turbo, or engine issues).

- You **plan to keep it long-term** without significant modifications or maintenance.

---

### **Recommendation**

You ve **inspected it thoroughly** (or had a mechanic do so) for rust, engine health, and transmission condition.

You re **prepared for maintenance** (regular oil changes, transmission fluid, and potential turbo/engine work).

You **don t mind older technology** and are okay with **lower fuel economy and safety features**.

You **intend to use it for work, hauling, or a project truck** rather than daily commuting.

You **need a modern, safe, and efficient truck** for daily use.

You **can t commit to maintenance** this truck will require **more attention than a newer vehicle**.

You **live in a harsh climate** (snow, salt, or extreme heat) without rust prevention measures.

You **plan to keep it for 10 years** without major modifications or repairs.

- If you want **similar durability but newer**, look for a **used Ford F-250/F-350 with a 7.3L Power Stroke (diesel) or a GM 6.0L V8 (gas)** both are more modern and reliable.

- If you **need a daily driver**, consider a **used Ram 2500/3500 (2010 ) or a Toyota Tundra (2015 )** for better safety and fuel efficiency.

- If you **love the classic C/K look**, consider a **restored or heavily modified** version rather than a high-mileage original.

This truck is a **great choice for the right buyer** someone who values **durability, workhorse capability, and doesn t mind older technology**. However, it s **not a plug-and-play daily driver** and requires **active maintenance**. If you re prepared for that, it can be a **fantastic investment**; if not, a newer used truck may be a safer bet.

Details:

Manufacturer: CHEVROLET. Mileage: 76128 Miles. CANYON 2008 - 2008 AT; 2.9L, 4x2.

part #: 17803771 prices

• $696.34-$1791.99

specifications autotransmissionsgo:

• for makes: Chevrolet
• for years: 2008
• mpn: 17803771
• model: Colorado
• part type: Transmission
• ipn: 400-560
• condition and options: At; 2.9l, 4x2

returns autotransmissionsgo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

shipping autotransmissionsgo:

• type: Fixed
• cost: $0.00
• class: Freight
• service: Flat Rate Freight

payments autotransmissionsgo:

• credit card: Diners-club
• other
• wallet: Google-pay

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

seller autotransmissionsgo:

• # reviews: 22816
• city: Stoystown, Pennsylvania
• rating: 99.9%

offer autotransmissionsgo:

• started: May 8, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

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