GMC TRUCK 640.GM9A19 Lid Motor Down 12825122

( Brand: Gmc Truck ), ( Part Type: Lid Motor Down ), ( Conditions Options: Pwr, Strut, Pair ), ( Genuine Oem: Yes ), ( Ipn: 640.gm9a19 )

Review GMC TRUCK Lid Motor Pull Down fits ACADIA 2019

The **GMC 640.gm9a19 ACadia 2019 Lid Motor (Part #12825122)** is a precision-engineered component designed to seamlessly integrate with the rear liftgate mechanism of the 2019 GMC Acadia, ensuring smooth and reliable operation of the vehicle s tailgate. This motor is a critical part of the Acadia s power liftgate system, which enhances convenience by allowing the driver to open and close the rear hatch with the push of a button or via remote control. Crafted with durability in mind, the lid motor is built to withstand the demands of daily use, including exposure to varying weather conditions, road debris, and the mechanical stress of repeated activations. The motor operates using a high-efficiency electric drive system, delivering consistent performance while minimizing energy consumption, which is particularly beneficial for maintaining the vehicle s overall efficiency. Its robust construction includes corrosion-resistant materials and sealed bearings to prevent wear and tear, ensuring longevity even in harsh environments. When installed, this motor pairs seamlessly with the Acadia s integrated control module, providing a responsive and quiet operation that aligns with the vehicle s refined interior ambiance. Whether used in replacement scenarios or as an upgrade to enhance the liftgate s performance, this part is an essential component for preserving the Acadia s functionality and user experience. Proper installation requires adherence to GMC s technical specifications, including alignment with the liftgate linkage and secure electrical connections, to guarantee optimal performance and safety.

### **Pros and Cons of Buying a 2019 GMC Acadia (VIN: 1G9A19LDM640G9A) with a Down-Loaded Lid Motor (Part #12825122)**

#### **Pros**

1. **Reliable Base Model** The 2019 GMC Acadia is a well-built SUV with a solid reputation for durability, especially in the mid-size SUV segment. The 3.6L V6 engine (in most trims) is known for longevity if maintained properly.

2. **Good Resale Value** GMCs hold their value reasonably well compared to some competitors, meaning you may recover more at resale than with other brands.

3. **Comfortable Interior** The Acadia offers a spacious cabin with decent sound insulation, making it a comfortable choice for long drives. The seating is supportive, and the infotainment system (when in good working condition) is user-friendly.

4. **All-Wheel Drive (AWD) Capability** If this vehicle has AWD, it provides better traction in snow, rain, or off-road conditions compared to front-wheel drive.

5. **Potential for Cost-Effective Repairs** Since the lid motor is a relatively common failure point (especially in older Acadias), replacing it yourself or with a trusted mechanic can be more affordable than dealing with a major engine or transmission issue.

- **Heated/ventilated seats** (if equipped)

- **Backup camera** (standard on most models)

- **USB ports** (multiple in some trims)

- **Available leather upholstery** (if upgraded)

7. **Fuel Efficiency (Compared to Competitors)** The 3.6L V6 gets around **18-20 MPG city / 24-26 MPG highway**, which is decent for a mid-size SUV, though not as efficient as some hybrids or smaller crossovers.

8. **Spacious Cargo & Towing (If Equipped)** The Acadia has a **62.6 cu. ft. cargo area** (with seats up) and can tow up to **5,000 lbs** (with the proper package), making it versatile for families or light hauling.

---

#### **Cons**

1. **Lid Motor Failure (Main Concern)**

- The **12825122 lid motor** (or similar part) is a known issue in some 2019 Acadias, particularly those with **automatic liftgates**. The motor may fail to open/close properly, requiring replacement.

- **Cost:** Replacing the lid motor typically ranges from **$300 $600** (parts labor), depending on the dealer vs. independent shop.

- **Risk:** If the motor fails completely, you may need to manually open the trunk, which is inconvenient.

2. **Potential Transmission Issues (Especially in AWD Models)**

- Some 2019 Acadias (particularly those with the **6T70 6-speed automatic transmission**) have reported **rough shifting, delayed engagement, or complete failure** after high mileage.

- If this vehicle has **over 80,000 miles**, transmission problems could be a concern.

3. **Infotainment System Reliability**

- The **GMC Uconnect system** (if equipped) has had reports of **glitches, slow response, and software bugs**. Some owners have had to reset the system or replace the head unit.

- **Bluetooth connectivity issues** are also a common complaint.

4. **Rust Concerns (Especially in Snow-Belt Regions)**

- If the vehicle was driven in **salted roads or heavy snow areas**, check for **underbody rust** (especially around the wheel wells, rocker panels, and frame rails).

- A thorough inspection is **critical** before purchase.

5. **Comfort & Noise at Higher Speeds**

- Some owners report that the Acadia can feel **less refined than competitors** (e.g., Toyota Highlander, Honda Pilot) at highway speeds due to **wind noise and suspension firmness**.

6. **Maintenance Costs Over Time**

- While not extremely expensive, **regular maintenance (timing belt, spark plugs, cabin air filter, etc.)** can add up, especially if the owner neglected upkeep.

- **Oil changes** should be done every **5,000 7,500 miles** (synthetic oil recommended).

7. **Resale Depreciation**

- Like most SUVs, the Acadia loses value over time. If you plan to keep it long-term, depreciation is a factor.

8. **Potential Electrical Gremlins**

- Some Acadias have had issues with **window regulators, door locks, or power seats** failing prematurely. A pre-purchase inspection is **highly recommended**.

---

### **Conclusion & Recommendation**

#### **Should You Buy This 2019 GMC Acadia?**

**It depends on your priorities, budget, and willingness to address known issues.**

- You **find a well-maintained example** with **low miles (under 60,000)** and a **clean service history**.

- You **inspect the lid motor thoroughly** (test it opening/closing multiple times) and are prepared to **replace it if needed**.

- You **get a pre-purchase inspection (PPI)** from a trusted mechanic to check for **transmission, electrical, and rust issues**.

- You **don t mind a slightly older model** and are okay with **moderate fuel costs**.

- You **need a spacious, reliable SUV** for daily driving and occasional towing.

- The **lid motor is already failing** or the seller won t provide proof it s been replaced.

- The **vehicle has high miles (80,000 )** without **full service records**.

- You **can t afford unexpected repairs** (transmission, electrical, or suspension issues).

- You **prefer a newer model** with modern tech (e.g., 2020 Acadia with improved software).

- The **seller refuses a test drive or inspection**, raising red flags.

- **Best Case:** Buy a **low-mileage (under 50,000), well-documented Acadia** with a **verified lid motor replacement** and **pass a thorough PPI**.

- **Worst Case:** If the lid motor is failing or the vehicle has **hidden issues**, **walk away** there are better-used SUVs (e.g., **Toyota Highlander, Honda Pilot, or Subaru Ascent**) with fewer known problems.

- **Negotiation Tip:** If the lid motor is confirmed as a failure, **use it as leverage to lower the price** (expect to pay **$1,000 $2,000 less** than market value if you re replacing it soon).

**Bottom Line:** The 2019 GMC Acadia can be a **solid used purchase** if you **address the lid motor issue upfront** and ensure the rest of the vehicle is in good condition. However, **proceed with caution** always prioritize a **pre-purchase inspection** before buying.

Details:

part #: 640.gm9a19 prices

• $106.02-$135.00

specifications trunklipa:

• for models: Acadia
• for makes: Gmc
• for years: 2019
• brand: Gmc Truck
• part type: Lid Motor Down
• conditions options: Pwr, Strut, Pair
• genuine oem: Yes
• ipn: 640.gm9a19

offer trunklipa:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 4, 2026
• quantity: 1
• best offers: True

payments trunklipa:

• credit card: Visa
• wallet: Paypal
• other

general trunklipa:

• condition: Used
• Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids

returns trunklipa:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

seller trunklipa:

• # reviews: 50146
• rating: 99.9%
• city: Spokane, Washington

shipping trunklipa:

• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-7 Days
• cost: $0.00
• type: Fixed

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