BUICK 640.GM4A21 Lid Motor Down

( Part Type: Lid Motor Down ), ( Conditions Options: Essence ), ( Genuine Oem: Yes ), ( Ipn: 640.gm4a21 ), ( Manufacturer Warranty: 90 Day ), ( Partout Id: A-117760707 )

Review BUICK Lid Motor Pull Down fits ENCLAVE 2021

The **2021 Buick Enclave 6.4L GM4A21 V8 Engine with Lid Motor Down** represents a pinnacle of luxury, performance, and advanced engineering within the midsize SUV segment, blending Buick s signature refined elegance with the robust power of General Motors legendary **6.4L V8 engine**. This powerplant, a refined iteration of the **GM4A21** architecture, delivers a commanding yet smooth driving experience, making it ideal for those who demand both exhilaration and comfort without compromise. The **6.4L V8** is a twin-turbocharged marvel, producing a robust **430 horsepower and 460 lb-ft of torque**, ensuring effortless acceleration from a standstill to highway speeds while maintaining a near-silent cabin thanks to Buick s signature sound insulation and noise-reduction technologies. The engine s twin-turbo setup not only enhances performance but also optimizes efficiency, allowing the Enclave to achieve a respectable fuel economy for its class particularly when paired with the available **9-speed automatic transmission**, which delivers seamless gear shifts and responsive power delivery.

Beyond its raw mechanical prowess, the **2021 Buick Enclave s lid motor down** feature is a testament to Buick s commitment to innovation and convenience. This advanced system eliminates the need for manual trunk operation, allowing the rear hatch to open and close with the push of a button or via voice command, enhancing both accessibility and security. The lid motor is integrated seamlessly into the vehicle s body, ensuring a clean, uncluttered aesthetic while providing smooth, quiet operation. This feature is particularly advantageous for drivers navigating tight parking spaces, loading bulky items, or simply enjoying the ease of modern automotive technology. The Enclave s **lid motor down** function is not just a luxury but a practical upgrade, making daily tasks more effortless and aligning with the vehicle s overall philosophy of blending sophistication with functionality.

Inside, the **2021 Buick Enclave** continues to redefine expectations for midsize SUVs, offering a **spacious, premium cabin** with high-quality materials and meticulous attention to detail. The **6.4L V8 model** often comes equipped with Buick s **Signature Interior**, featuring premium leather-appointed seating, ambient lighting, and a **12.3-inch touchscreen infotainment system** with wireless Apple CarPlay and Android Auto integration. The **available 12.3-inch digital gauge cluster** provides a futuristic yet intuitive driving experience, while the **heated and ventilated front seats** ensure comfort in any climate. The Enclave s **third-row seating** (available in certain configurations) expands its utility, making it a versatile choice for families or those who require additional passenger space without sacrificing the refined driving dynamics of a two-row SUV.

Externally, the **2021 Buick Enclave** exudes a commanding presence with its **bold, aerodynamic styling**, characterized by sleek LED lighting, a distinctive grille, and a commanding stance. The **6.4L V8 model** often includes **styling enhancements** such as **19-inch alloy wheels**, **chrome accents**, and **unique body color options**, further emphasizing its premium positioning. The vehicle s **aerodynamic design** not only enhances its visual appeal but also contributes to stability and efficiency, ensuring a smooth ride over varied road conditions. Whether navigating city streets, highway merges, or off-road adventures (thanks to the **available Off-Road Package**), the Enclave s **6.4L V8** and **lid motor down** features combine to create a vehicle that is as capable as it is luxurious.

For those who appreciate both power and refinement, the **2021 Buick Enclave with a 6.4L GM4A21 V8 engine and lid motor down** stands as a standout choice in its class. It merges **twin-turbocharged performance** with **cutting-edge convenience**, ensuring that every drive is as enjoyable as it is effortless. Whether pulling into a parking spot, cruising down a scenic highway, or embarking on a weekend getaway, this SUV delivers a harmonious blend of **luxury, technology, and driving excitement** all while maintaining Buick s reputation for unparalleled craftsmanship and attention to detail.

Buying a 2021 Buick Enclave with a known issue such as a "lid motor down" problem requires careful consideration of the trade-offs. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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1. **Premium Brand and Build Quality:** Buick is known for its emphasis on comfort, refinement, and solid build quality. The Enclave is a well-crafted midsize SUV with a spacious interior, premium materials, and a smooth ride. The attention to detail in the cabin such as soft-touch surfaces, quiet operation, and ergonomic seating makes it appealing for long-term ownership.

2. **Spacious and Practical Interior:** The Enclave offers generous seating for seven passengers, with ample legroom and cargo space (up to 91.3 cubic feet behind the third row). The sliding third-row seats provide flexibility for passengers or cargo. The interior layout is user-friendly, with intuitive controls and a well-organized center console.

3. **Comfortable Ride and Handling:** The Enclave is designed for comfort over sportiness, with a plush suspension setup that absorbs road imperfections well. It handles predictably on highways and in suburban areas, making it ideal for daily commuting or road trips. The larger size also contributes to a stable, composed driving experience.

4. **Tech and Infotainment Features:** The 2021 Enclave comes equipped with Buick s **Ultra Connect** infotainment system, which includes a large touchscreen (typically 10.2 inches), wireless Apple CarPlay and Android Auto, a premium audio system (often with Bose or Harman Kardon speakers), and available features like a head-up display, rearview camera, and blind-spot monitoring. These features enhance convenience and connectivity.

5. **Safety Features:** The Enclave is equipped with a robust safety suite, including standard features like forward collision alert, automatic emergency braking, lane-keep assist, and adaptive cruise control. Higher trims often include additional safety tech like blind-spot monitoring with cross-traffic alert and a 360-degree camera. The Enclave also earns high safety ratings from the NHTSA and IIHS, making it a reliable choice for families.

6. **Reliability and Warranty:** Buick offers a **5-year/60,000-mile basic warranty** and a **10-year/100,000-mile powertrain warranty** on the 2021 Enclave, which provides peace of mind for potential buyers. While no vehicle is immune to issues, the warranty coverage can mitigate some of the risks associated with repairs.

7. **Resale Value:** Buick SUVs, particularly the Enclave, hold their value relatively well compared to some competitors. This can be beneficial if you plan to sell or trade the vehicle in the future.

8. **Available Luxury Amenities:** Depending on the trim level, the Enclave offers features like heated/ventilated seats, a power liftgate, a sunroof, and a premium interior with leather upholstery. These amenities contribute to a more luxurious driving experience.

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1. **Lid Motor Down Issue:** The most significant drawback of this particular vehicle is the malfunctioning "lid motor down" problem. This refers to the motor that controls the opening and closing of the rear liftgate. If the motor is faulty, the liftgate may fail to open or close properly, which can be inconvenient for loading/unloading cargo or passengers. This issue could require a repair, which may or may not be covered under warranty, depending on the circumstances. If the motor is completely seized, replacement could cost between $300 and $600, depending on labor and parts.

2. **Potential for Higher Maintenance Costs:** While Buick vehicles are generally reliable, they are not as cost-effective to maintain as some Japanese brands. Parts and labor costs can be higher, and finding specialized mechanics may be more difficult in some areas. The Enclave s size and complexity also mean that repairs can be more labor-intensive.

3. **Fuel Efficiency:** The Enclave is not known for exceptional fuel economy. The standard 3.6L V6 engine in the 2021 model delivers around **18 MPG city and 26 MPG highway**, which is average for a midsize SUV but not great for those prioritizing efficiency. Higher trims with the same engine may offer slight improvements, but they remain in the same ballpark.

4. **Size and Maneuverability:** The Enclave is a large SUV, which means it has a longer turning radius, lower fuel efficiency, and can be more challenging to park in tight spaces compared to smaller SUVs or crossovers. If you frequently navigate urban areas or parking lots, this could be a drawback.

5. **Resale Depreciation:** While Buick SUVs hold their value reasonably well, they still depreciate over time. The Enclave may not retain as much value as some luxury or Japanese brands, which could impact long-term ownership costs.

6. **Competition:** The Enclave competes directly with vehicles like the Chevrolet Traverse, Ford Explorer, and Toyota Highlander. Some competitors offer more advanced tech, better fuel efficiency, or more robust warranty coverage, depending on the trim level.

7. **Potential for Hidden Issues:** Even if the lid motor is the only known issue, it s possible that other minor problems exist that haven t been reported. Always have a pre-purchase inspection performed by a trusted mechanic to uncover any hidden issues.

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The 2021 Buick Enclave is a well-rounded midsize SUV that excels in comfort, space, and luxury features. It is an excellent choice for buyers who prioritize a refined ride, a spacious interior, and a premium driving experience. However, the "lid motor down" issue is a significant drawback that could lead to inconvenience or unexpected repair costs. If the motor is non-functional, this could be a dealbreaker unless you are prepared to address the issue immediately.

The Enclave s strengths such as its warranty coverage, safety features, and Buick s reputation for comfort outweigh its weaknesses for many buyers, especially those who value a comfortable, family-friendly SUV. However, if the lid motor issue is a recurring problem or if the vehicle has other undisclosed issues, it may not be the best value.

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1. **Negotiate the Price:** Use the lid motor problem as leverage to negotiate a lower purchase price. A fair adjustment could range from $500 to $1,500, depending on the severity of the issue and the seller s willingness to accommodate.

2. **Get a Pre-Purchase Inspection (PPI):** Before finalizing the purchase, have a certified mechanic perform a thorough inspection. This will help identify the extent of the lid motor issue and uncover any other potential problems. A PPI typically costs between $100 and $200 but can save you thousands in unexpected repairs.

3. **Check Warranty Coverage:** If the lid motor issue is recent or if the vehicle is still under warranty, the seller may be required to cover the repair. Verify the warranty status and any remaining coverage with the dealership or seller.

4. **Budget for Repairs:** If the lid motor is confirmed to be faulty, factor the cost of replacement into your budget. If the repair is not covered by warranty, be prepared to pay out of pocket or negotiate the price accordingly.

5. **Consider Alternatives:** If the lid motor issue is a major concern and the seller is unwilling to address it, explore other used Enclaves or consider competing models that may offer better value or fewer known issues. Alternatively, you could look for a newer model with a fresh warranty or a different trim level that better suits your needs.

6. **Proceed with Caution:** If the lid motor issue is minor (e.g., intermittent or easily fixable) and the rest of the vehicle is in good condition, the Enclave could still be a solid purchase. However, weigh the pros and cons carefully and ensure that the trade-offs align with your priorities.

**Final Verdict:** The 2021 Buick Enclave is a strong contender for buyers who prioritize comfort and space over fuel efficiency or cutting-edge tech. However, the lid motor issue is a notable flaw that should not be overlooked. If you are prepared to address the repair or negotiate the price accordingly, it can still be a worthwhile purchase. Otherwise, it may be more prudent to seek out a vehicle with fewer known issues or a newer model with updated features.

Details:

Residential delivery is not included in the free shipping.

part #: 640.gm4a21 price

• $135.00

specifications trunklipa:

• for models: Enclave
• for makes: Buick
• for years: 2021
• part type: Lid Motor Down
• conditions options: Essence
• genuine oem: Yes
• ipn: 640.gm4a21
• manufacturer warranty: 90 Day
• partout id: A-117760707

shipping trunklipa:

• class: Standard
• type: Fixed
• service: Standard
• cost: $0.00
• transit: 4-8 Days

payments trunklipa:

• other
• credit card: Diners-club
• wallet: Paypal

general trunklipa:

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

returns trunklipa:

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

seller trunklipa:

• rating: 98.8%
• city: Knoxville, Tennessee
• # reviews: 9919

offer trunklipa:

• options: Ship-to-home
• sold: 0
• started: March 13, 2026
• quantity: 1
• availability: In Stock

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