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How much does it cost to replace a water pump in a Lexus RX350?

The average cost to replace a water pump in a Lexus RX350 is between $400 and $700, including parts and labor. This can vary depending on the specific repair shop, location, and any additional issues that may be found during the repair process.


Factors Affecting the Cost of a Water Pump Replacement


Several factors can influence the final cost of replacing the water pump in a Lexus RX350:



  • Parts Cost: The water pump itself typically costs between $150 and $300, depending on the brand and quality of the replacement part.

  • Labor Costs: Labor charges can range from $200 to $400 or more, depending on the mechanic's hourly rate and the complexity of the repair.

  • Additional Repairs: If the mechanic discovers any other issues during the water pump replacement, such as a leaking radiator or damaged hoses, the total cost can increase significantly.

  • Location: Repair costs can vary based on the geographic region, with labor rates and parts prices often higher in urban areas compared to rural locations.


It's important to get multiple quotes from reputable mechanics or dealerships to ensure you're getting a fair price for the water pump replacement on your Lexus RX350.


Signs That a Water Pump Needs Replacement


There are several common signs that the water pump in a Lexus RX350 may need to be replaced, including:



  • Coolant Leaks: If you notice coolant leaking from the water pump or surrounding area, it's likely time for a replacement.

  • Overheating Engine: A failing water pump can cause the engine to overheat, especially during heavy use or in hot weather.

  • Whining or Grinding Noises: If you hear unusual noises coming from the water pump, it may be a sign of wear and tear or bearing failure.

  • Visible Corrosion or Damage: Inspect the water pump for any signs of rust, cracks, or other physical damage that could indicate the need for replacement.


If you notice any of these issues with your Lexus RX350, it's best to have a qualified mechanic inspect the water pump and provide a repair estimate as soon as possible to avoid further damage to the engine.

Can a water pump last 150,000 miles?


Benton Road Auto Repair advises that the water pump installed when your vehicle was assembled will generally last 10 years or more. In terms of mileage, this means you will get 100,000 miles to 150,000 miles out of the pump. Below, we are going to list the signs that your water pump is going bad.



How long do Lexus water pumps last?


The water pump is "behind" the belt and it makes sense to do it for hardly no extra cost in labor. On all of my non timing belt vehicles I only change the water pump when symptoms arise (overheating, leaking etc). On my ES I will change it when it goes out. Most will last 150 - 200k miles.



Can a water pump last 200 000 miles?


Otherwise, your fuel pump typically will last the life of your car. Changing your fuel filter every 50,000 miles can help preserve it. Water pump failure can occur between 60,000 and 90,000 miles. If it starts to deteriorate, it will leak coolant, which can expose your engine to the risk of overheating.



How much does it cost to replace a water pump in a Lexus RX 350?


Labor costs are estimated between $479 and $605 while parts are typically priced around $319.



Can I still drive my car with a bad water pump?


It's better to avoid driving your automobile until you have the leaking water pump replaced.



How many hours does it take to replace a water pump?


The time it takes to replace a water pump can vary significantly based on the type of pump, its location, and the complexity of your plumbing system. Generally, the replacement process can take anywhere from two hours to a full day.



Is it worth fixing a water pump on a car?


As discussed earlier, the water pump is one of the most important components for your car as it makes sure that your engine operates without interruption under perfect working temperature. It is imperative to keep a watch at its functional value to ensure that your engine does not undergo irreparable damages.



At what mileage does a water pump go bad?


100,000 miles
Car water pumps circulate coolant from the radiator to the engine block to prevent overheating and premature wear. Water pumps on modern cars often last more than 100,000 miles, while older models might need a replacement between 60,000 and 100,000 miles.



What are the symptoms of a bad water pump?


6 signs your water pump is failing ​

  • Coolant Leak. The water pump has several gaskets that can be damaged or worn out over time.
  • Engine Overheating.
  • High Pitched, Harmonic Whining Noises.
  • Water Pump Rust and Corrosion.
  • Steam comes out from under your hood.
  • Holes or leakage system on the dry side of the water pump.



How do I know if my water pump is bad?


The water pump has several gaskets that can be damaged or worn out over time. In this case, coolant may leak out and drip under the vehicle. If you notice coolant (in most cases green or red liquid) under the center front of your vehicle, it's time to check the water pump.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.