A Guide to Radiator Coolant Hoses for the 2011-2017 Buick Regal
Keep your Regal's engine cool by understanding when and how to replace your radiator hoses.
- Inspect hoses regularly for cracks, swelling, or soft spots, especially if you have an oil leak.
- Choose a quality aftermarket brand like Gates or Dayco for a balance of value and reliability.
- Always replace hoses in pairs (upper and lower) and use new hose clamps for a secure seal.
- Use only Dex-Cool specification coolant to prevent damage to your cooling system.
Is Your Buick Regal's Radiator Hose Failing?
Radiator hoses are made of durable rubber, but they don't last forever. Heat, pressure, and oil contamination can cause them to wear out. A failed hose can lead to major engine damage from overheating. Look for these warning signs:
- Coolant Leaks: Puddles of sweet-smelling, brightly colored fluid (usually orange or pink for GM vehicles) under your car are a dead giveaway. Leaks often start at the connection points to the radiator or engine.
- Visible Damage: Inspect your hoses. Look for cracks, splits, or bulging, especially near the ends. A swollen or soft, spongy hose is weak and needs immediate replacement.
- Engine Overheating: If your temperature gauge climbs into the red or you get an engine overheat warning, a leaking or collapsed hose could be the cause.
- Low Coolant Light: A persistent low coolant warning light on your dashboard means the fluid is going somewhere it shouldn't.
Check for Oil Leaks
The 2011-2017 Buick Regal can sometimes have oil leaks from the valve cover or vacuum pump. If oil drips onto your radiator hoses, it will cause the rubber to swell, soften, and fail prematurely. If you find an oil-soaked hose, you must fix the oil leak before or during the hose replacement.
Choosing the Right Aftermarket Hose
When replacing radiator hoses on your Regal, you have a choice between OEM (Original Equipment Manufacturer) and aftermarket parts. For a vehicle in this age range, a quality aftermarket part offers the best balance of performance and value.
OEM hoses from GM or ACDelco are a guaranteed fit, but they are often the most expensive option. Aftermarket brands like Gates and Dayco are well-known manufacturers that often produce parts for automakers themselves. Their hoses are designed to meet or exceed OEM specifications for fit and durability, making them a reliable choice for your Regal.
- Brand Tiers: Both Gates and Dayco are considered top-tier aftermarket brands. Forum discussions among mechanics and DIYers show that both are generally trusted, though some individuals have preferences based on past experiences with fitment or material feel. You can be confident installing either brand.
- Molded vs. Universal: Always choose a molded hose for your Regal. These are pre-shaped to the exact bends and lengths needed to fit perfectly around other engine components. Universal or flexible hoses are not recommended as they can kink and restrict coolant flow.
Estimated Costs for Radiator Hose Replacement
| Part Type | Price Range (DIY) | Estimated Shop Labor | Estimated Total (Installed) |
|---|---|---|---|
| Aftermarket Upper or Lower Hose | $29.81 - $65.00 | $75 - $150 | $150 - $450 |
| Aftermarket Hose Assembly (with fittings) | $65.00 - $118.05 |
Note: Prices are estimates and can vary based on your specific Regal model (2.0L Turbo vs 2.4L), location, and the specific hose being replaced. Shop labor estimates are based on typical replacement times of 1-1.5 hours.
Pro Tip: Replace in Pairs and Use New Clamps
If one radiator hose has failed due to age, the other isn't far behind. It's smart practice to replace the upper and lower radiator hoses at the same time. Also, always use new hose clamps. The original spring-style clamps can lose tension over time, and worm-gear clamps are a reliable and inexpensive upgrade.
Frequently Asked Questions
How difficult is it to replace a radiator hose on a 2011-2017 Buick Regal?
For a DIYer with basic tools, replacing the upper and lower radiator hoses is a manageable job. It involves draining the coolant, removing the old hoses and clamps, and installing the new ones. The difficulty is generally low (2/5), but you must be careful not to damage the plastic radiator connections. 🎬 See this walkthrough for replacing your upper and lower hoses. Always allow the engine to cool completely before starting.
What type of coolant should I use in my Buick Regal?
Your 2011-2017 Buick Regal requires a coolant that meets the GM Dex-Cool specification. This is typically an orange or pink colored Organic Acid Technology (OAT) coolant. Using the wrong type can cause corrosion and damage to your cooling system. Always top off or refill with a compatible Dex-Cool formula.
Are there any recalls for the radiator hoses on this Buick Regal?
Based on searches of the National Highway Traffic Safety Administration (NHTSA) database, there are no specific recalls for radiator coolant hoses on the 2011-2017 Buick Regal. Common problems are related to age and wear rather than a manufacturing defect.
Should I replace the thermostat when I replace the hoses?
While not strictly required, it is a good preventative measure. The thermostat controls the flow of coolant, and you'll already have the system drained to replace the hoses. Replacing the thermostat at the same time can save you from having to do a similar job again in the near future. It's an inexpensive part that is critical to engine temperature regulation.
🎬 Watch this video to locate and replace your Regal's thermostat.Helpful Videos
Technical Specifications
OEM Part Numbers: 20877113 22853960 13220131 13220126 23105392
Hoses are engine-specific (2.4L or 2.0L Turbo) and position-specific (Upper, Lower, Heater, Turbo Coolant Lines). They are made from molded EPDM rubber to resist heat and chemical degradation. Requires Dex-Cool compatible coolant.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Buick Regal: