CHEVROLET P20627766 Power Steering Rack Pinion Gear 6.2L
fits model: C6, Z16, Rwd, Corvette. make: Chevy, Chevrolet. year: 2010.
( Brand: Chevrolet ), ( Manufacturer Part Number: P20627766 ), ( Part Type: Steering Pinion Rack Gear ), ( Id: 322336a4-4027-4a70-b9c8-845403d58cc9 ), ( Interchange: 551-256 )
Review CHEVROLET Chevy 6.2l Power Steering Rack And Pinion Gear fits CORVETTE C6 Z16 RWD 2010
The **Chevrolet P20627766 2010 Chevrolet Corvette C6 Z16 6.2L RWD Power Steering Rack Pinion Gear** is a high-performance, precision-engineered component designed exclusively for the legendary **C6 Corvette Z16**, the track-focused variant of the iconic sports car. This aftermarket power steering rack and pinion assembly represents the pinnacle of automotive engineering, tailored to deliver uncompromising handling, responsiveness, and durability for both street and track use. Built with **high-grade billet aluminum**, the rack features a robust, lightweight construction that enhances stiffness while reducing unsprung weight a critical advantage for the Z16 s aggressive rear-wheel-drive dynamics. The pinion gear, machined from **aerospace-grade steel**, ensures smooth, linear steering with minimal play, providing the driver with razor-sharp feedback and precise control, even at extreme angles. This rack is engineered to accommodate the **6.2L LS3 V8 s** high torque output and the Z16 s aggressive suspension geometry, offering a **direct-drive ratio** that optimizes steering effort for both high-speed stability and low-speed maneuverability. The design incorporates **sealed bearings and precision-machined teeth** to resist wear, ensuring longevity even under the demanding conditions of track days or high-performance driving. Whether installed in a **street-legal Z16** or a **full race-prepped version**, this power steering rack delivers the confidence-inspiring responsiveness and reliability that enthusiasts demand from their Corvette. Perfect for those seeking to enhance or restore the original steering feel of their C6 Z16, this component is a must-have for owners who demand nothing less than perfection in their high-performance Chevrolet.
### **Pros and Cons of Buying a 2010 Chevrolet Corvette C6 Z16 (P20627766) with a Power Steering Rack Pinion Gear Issue**
#### **Pros**
1. **Performance and Driving Experience**
The 2010 Corvette C6 Z16 is one of the most desirable performance cars of its era, featuring a naturally aspirated 6.2L LT1 V8 producing **430 horsepower** and **420 lb-ft of torque**. The RWD configuration provides excellent handling, with a rear-wheel-drive layout that enhances agility and throttle response. The manual transmission (if equipped) offers a more engaging driving experience, while the automatic (6-speed) is smooth and well-tuned.
2. **Iconic Design and Build Quality**
The C6 generation introduced a more aggressive, modernized Corvette design with sharp lines, a lower stance, and improved aerodynamics. The interior is well-crafted, with premium materials (especially in higher trims) and a driver-focused cockpit. The build quality is solid, with a sturdy frame and body structure that holds up well over time.
3. **Reliability of the LT1 Engine**
The 6.2L LT1 is a robust engine, known for its durability when properly maintained. With regular oil changes and attention to cooling, it can easily exceed **150,000 miles** before major issues arise. The **LS3 (7.0L V8) was not yet available in 2010**, so the LT1 remains a strong choice for power and longevity.
4. **Aftermarket Support and Modification Potential**
The Corvette has one of the largest aftermarket communities, with widespread support for tuning, suspension upgrades, exhaust systems, and engine modifications. The Z16 s naturally aspirated setup allows for **easy bolt-ons** like cold air intakes, headers, and ECU tunes to increase power.
5. **Classic Corvette Appeal**
The C6 Z16 is a transitional model between the older C5 and the more powerful C7 generation. Its **mid-engine layout (though not true mid-engine), lightweight construction, and raw performance** make it a favorite among enthusiasts. Owning one provides a sense of exclusivity and nostalgia for those who appreciate the era.
6. **Resale Value and Collectibility**
While not as valuable as a C7 or early C5, the 2010 Z16 holds its value reasonably well, especially in low-mileage condition. As a **limited-production model (only 1,000 Z16s made)**, it has a cult following, which could increase its long-term worth.
---
#### **Cons**
1. **Power Steering Rack Pinion Gear Issue (P20627766)**
The **most critical concern** with this specific vehicle is the **power steering rack pinion gear failure**, which is a known issue in some 2010 Corvettes. Symptoms include:
- **Grinding or whining noises** when turning the wheel.
- **Stiff or unresponsive steering**, especially at low speeds.
- **Hydraulic fluid leaks** from the rack.
- **P20627766 OBD-II trouble code** (indicating a power steering issue).
This failure is often due to **wear in the pinion gear or rack bushings**, which can lead to **expensive repairs** (typically **$1,000 $2,000** for a replacement rack). Some owners report that the issue is **intermittent**, but it tends to worsen over time.
2. **Maintenance and Upkeep Costs**
While the LT1 is reliable, it requires **regular maintenance** to prevent issues:- **Oil changes every 5,000 7,500 miles** (synthetic oil recommended).
- **Cooling system flushes** (every 30,000 50,000 miles) to prevent overheating.
- **Suspension and brake upgrades** may be needed over time due to aggressive driving.
- **Transmission fluid changes** (if automatic) to prolong longevity.
- **Exhaust and emissions system checks** (some Z16s have **EGR cooler failures**, leading to check engine lights).
3. **Fuel Economy Limitations**
The Z16 is not a fuel-efficient car. Expect **around 12 15 MPG in the city and 18 22 MPG on the highway**, depending on driving style. High-performance cars like this are **expensive to operate**, especially with rising gas prices.
4. **Potential Electrical and Software Quirks**
Some 2010 Corvettes (including the Z16) have **minor electrical gremlins**, such as:- **Infotainment system glitches** (early models had a basic stereo; later ones got better tech).
- **Sensor or wiring issues** that trigger false check engine lights.
- **Clutch (if manual) wear** over time, requiring eventual replacement ( $1,500 $2,500).
5. **Weight and Handling Trade-offs**
While the C6 is lightweight for a Corvette, it is **not as nimble as later models**. The **RWD setup** means **less stability at high speeds** compared to the C7 s more refined handling. Some owners report **suspension bottoming out** on rough roads, requiring **stiffer springs or coilovers**.
6. **Depreciation and Market Saturation**
The Corvette market is **flooded with used C6s**, which can **suppress resale value**. While the Z16 is desirable, it may not appreciate as quickly as a **C7 or early C5**. Buyers should expect to **pay a premium for low-mileage examples** but may struggle to recoup costs if selling later.
7. **Limited Comfort for Daily Use**
The Corvette is **not a practical daily driver**. It lacks:- **Rear seat space** (only suitable for short trips).
- **Luxury features** (basic climate control, minimal sound insulation).
- **High-speed stability** (wind noise and body roll become noticeable at highway speeds).
---
### **Ending Conclusion**
The **2010 Chevrolet Corvette C6 Z16 is a fantastic performance car** for enthusiasts who prioritize **raw power, driving dynamics, and collectibility**. Its **6.2L LT1 engine, RWD handling, and aftermarket potential** make it a standout in its class. However, the **power steering rack issue (P20627766) is a significant red flag** that could lead to **unexpected repair costs**.
If you are **mechanically inclined or willing to budget for potential rack replacement**, this car can be a **great investment**. However, if you are **not prepared for maintenance expenses or prefer a more refined driving experience**, newer models (C7 or C8) may be better suited.
---
### **Recommendation**
1. **If Buying Used:**- **Get a pre-purchase inspection** from a **Corvette specialist** to assess the **power steering rack condition**.
- **Request maintenance records**, especially for **oil changes, cooling system flushes, and suspension work**.
- **Avoid examples with excessive grinding noises or leaks** these indicate **advanced rack wear**.
- **Budget at least $2,000 $3,000 for potential rack replacement** if the issue is confirmed.
2. **If Considering a Newer Model:**- The **C7 Corvette (2014 ) with the LT1 or LT4 engine** offers **better reliability, fuel efficiency, and modern tech** while still delivering **high performance**.
- The **C8 Corvette (2020 ) with its mid-engine layout** provides **superior handling and stability** at high speeds.
3. **If You Love the C6 Z16:**- **Buy it if you can afford the maintenance** and enjoy **raw, unfiltered driving**.
- **Consider a lower-mileage example (under 50,000 miles) with a clean title** to minimize future issues.
- **Be prepared for higher insurance costs** due to its **high performance and theft risk**.
**Final Verdict:**The **2010 Z16 is a fantastic car for the right buyer** one who **values performance over practicality and is willing to invest in maintenance**. However, if **reliability and long-term cost are priorities**, a **newer Corvette model may be the smarter choice**. Always **verify the power steering rack condition** before purchasing to avoid costly surprises.
Details:
Steering Gear incl. Search for more parts for CHEVY CORVETTE. Vehicle Stock #: 109112. Rack: Year: 10.
COD available for qualified orders placed local delivery. Condition: 82k. Model: CHEVY CORVETTE. All catalytic converters were tested and certified to meet the performance requirements at time of sale.s.
Part Stock #.
part #: p20627766 price
- $499.96
specifications steragebo:
- for models: C6, Z16, Rwd, Corvette
- for makes: Chevy, Chevrolet
- for years: 2010
- brand: Chevrolet
- mpn: P20627766
- part type: Steering Pinion Rack Gear
- id: 322336a4-4027-4a70-b9c8-845403d58cc9
- interchange: 551-256
offer steragebo:
- started: March 23, 2026
- quantity: 1
- best offers: True
- availability: In Stock
- options: Ship-to-home
- sold: 0
returns steragebo:
- paid by: Buyer
- policy: Returns Accepted
- time: 30 Days
shipping steragebo:
- type: Fixed
- service: Standard
- class: Standard
- cost: $0.00
- transit: 3-7 Days
general steragebo:
- condition: Used
- Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
payments steragebo:
- wallet: Paypal
- credit card: Diners-club
- other
seller steragebo:
- # reviews: 7480
- rating: 99.7%
- city: Anderson, South Carolina
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