PONTIAC 551-01773 Steering Gear Rack Pinion Gnmym

( Part Type: Steering Pinion Gear Rack ), ( Ipn: 551-01773 ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length )

Review PONTIAC Steering Gear Rack And Pinion Gnmym fits PRIX GRAND 1997–2003

The **Pontiac 551-01773 Steering Gear Rack and Pinion Assembly (1997 2003 GNMYM models)** is a precision-engineered component designed to deliver smooth, responsive, and reliable steering performance in select Pontiac vehicles, including the popular Grand Prix, Bonneville, and Sunfire models from the late 1990s and early 2000s. This rack-and-pinion assembly represents the heart of the vehicle s steering system, converting the driver s turning efforts at the wheel into precise lateral movement of the front wheels, ensuring optimal handling and driver engagement. Crafted to meet General Motors stringent engineering standards, this steering gear features a robust **aluminum housing** reinforced with high-grade steel components to withstand the rigors of daily driving, including sharp turns, rough road conditions, and prolonged use. The **rack itself** is machined from durable, low-friction materials to minimize wear and tear, while the **pinion gear**, a critical component, is precision-ground to ensure smooth engagement with the rack, reducing play and enhancing steering feel. This assembly is engineered to accommodate the **tie rod ends and steering knuckles** of the GNMYM platform, providing a direct and efficient transfer of steering input with minimal resistance, which is essential for both comfort and control. Whether navigating tight city streets or cruising along highways, this steering gear ensures a predictable and accurate response, contributing to the overall driving dynamics of the vehicle. For owners seeking to restore or upgrade their Pontiac s steering system, this OEM replacement part is an ideal choice, offering the same level of quality and compatibility as the original equipment, thereby maintaining the vehicle s intended performance and safety standards. Proper installation and periodic maintenance, such as checking for leaks or excessive play, will help prolong the lifespan of this critical component, ensuring years of trouble-free operation.

### **Pros and Cons of Buying a Pontiac 551-01773 Steering Gear Rack Pinion (1997 2003 GNMYM)**

1. **Common and Widely Available** This steering rack is used across multiple GM vehicles (Pontiac, Chevrolet, GMC, Buick) from the late 1990s to early 2000s, making parts and labor easier to find. Aftermarket replacements and rebuild kits are also readily available.

2. **Proven Reliability (When Well-Maintained)** Many of these racks are built to last if they haven t been neglected. The design is robust for its time, and with proper lubrication, they can handle years of use without major issues.

3. **Affordable Replacement Cost** Compared to newer or high-performance racks, this part is relatively inexpensive to replace. A new or rebuilt unit typically costs between **$150 $300**, with labor adding another **$100 $200**, depending on the shop.

4. **Easy to Diagnose** Leaks, excessive play, or grinding noises are clear signs of failure, and most mechanics can quickly identify if the rack is the culprit. No complex diagnostics are usually required.

5. **Aftermarket Support** Companies like **Moog, Febi Bilstein, and local rebuilders** offer rebuilt versions, which can be a cost-effective alternative to buying new.

6. **Simple Installation** Most racks bolt in place and require no special tools, though some models may need alignment after replacement.

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1. **Leak-Prone (Common Issue)** Many of these racks suffer from **booster fluid leaks** due to worn seals or cracked housings. If ignored, this can lead to **loss of power steering assist**, making steering effortful.

2. **Worn Bearings or Bushings** Over time, internal bearings or bushings can wear out, causing **excessive play, clunking noises, or a loose feel** when turning the wheel. This often requires a full rebuild or replacement.

3. **Potential for Rust and Corrosion** If the vehicle was driven in harsh conditions (salt, moisture), the rack may develop **internal rust**, leading to stiffness or failure. A rebuilt unit can mitigate this, but a rusted-out rack may need full replacement.

4. **Noisy Operation (If Worn)** Grinding, whining, or clunking sounds usually indicate **internal wear**, meaning the rack is nearing the end of its life. Ignoring these noises can lead to a sudden failure.

5. **Limited Longevity Compared to Modern Racks** While durable, these racks are not built to the same standards as newer units. Many last **100,000 150,000 miles** if maintained, but some fail earlier, especially if neglected.

6. **Potential for Misalignment After Replacement** Some drivers report **wandering or uneven steering** after rack replacement, which may require **wheel alignment** to correct.

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The **Pontiac 551-01773 steering rack (1997 2003)** is a **practical and affordable** part to replace, especially for older GM vehicles. It is **widely supported by aftermarket options**, making repairs straightforward and budget-friendly. However, **leaks, wear, and corrosion** are common issues that require **regular inspection and maintenance** to avoid costly failures.

If you re buying a used vehicle with this rack, **check for leaks, play, and noises** before purchasing. If replacing, a **rebuilt unit** is often the best balance of cost and reliability. **Modern alternatives** (like rack-and-pinion systems in newer cars) are more durable but not necessary for basic daily driving.

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- **If the rack is leaking or noisy**, **replace it immediately** ignoring these issues can lead to a loss of power steering and further damage.

- **If buying a used vehicle**, **test drive for smooth steering and no unusual noises** if in doubt, have a mechanic inspect it.

- **For long-term reliability**, consider a **rebuilt rack** (from a trusted source) rather than a cheap aftermarket knockoff.

- **If the vehicle is high-mileage**, budget for **potential future rack replacement** these parts don t last forever, especially in harsh conditions.

- **If you drive aggressively or in rough terrain**, monitor the rack closely, as wear may accelerate.

**Final Verdict:** This steering rack is a **solid, budget-friendly choice** for older GM vehicles, but it requires **proactive maintenance** to avoid failures. If you re comfortable with basic repairs, replacing it yourself can save money. For most drivers, **a rebuilt or new OEM-equivalent rack** is the best long-term solution.

Details:

Compatible with: GRAND PRIX 97 Power Rack and Pinion; w/o variable sport steering. Please also use the pictures to ensure a proper fit. GRAND PRIX 98-03 Power Rack and Pinion; Base. This 1997 1998 1999 2000 2001 2002 2003 Pontiac GRAND PRIX Rack and Pinion is in overall good condition.

Shipping is via USPS or UPS. Most electronic parts are not plug and play.

specifications steragebo:

• for models: Prix, Grand
• for makes: Pontiac
• for years: 1997-2003
• part type: Steering Pinion Gear Rack
• ipn: 551-01773
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length

shipping steragebo:

• transit: 4-11 Days
• cost: $0.00
• type: Fixed
• service: Standard, Expedited
• class: Standard, Expedited

returns steragebo:

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

seller steragebo:

• # reviews: 75019
• city: Las Vegas, Nevada
• rating: 99.1%

payments steragebo:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer steragebo:

• sold: 0
• started: February 7, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

general steragebo:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions

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