Lexus RX330 Water Pump Replacement at your home or office.

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$488.74 - $724.72

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Water Pump Replacement Estimate for Lexus RX330

Lexus RX330 Water Pump Replacement costs $634 on average.

CarServiceEstimateShop/Dealer Price
2006 Lexus RX330V6-3.3LService typeWater Pump ReplacementEstimate$955.49Shop/Dealer Price$1191.09 - $1656.66
2004 Lexus RX330V6-3.3LService typeWater Pump ReplacementEstimate$955.49Shop/Dealer Price$1191.63 - $1657.61
2005 Lexus RX330V6-3.3LService typeWater Pump ReplacementEstimate$774.51Shop/Dealer Price$959.34 - $1386.82
Show example Lexus RX330 Water Pump Replacement prices

Water Pump Replacement Service

What is a water pump and how does it work?

The water pump is a belt or chain-driven engine accessory bolted to the engine above the crankshaft pulley. The pump housing has an impeller that circulates engine coolant through the cooling system passageways in the engine block and cylinder head, on to the radiator, where the coolant temperature is reduced. . The lower temperature coolant then flows back to the water inlet on the engine and the water pump continues the cycle.

When to consider replacing the water pump:

  • Coolant leaks or overheating. The water pump impeller shaft is supported by a bearing. Eventually, the bearing or seal can wear and leak or damage the impeller. Many water pumps have weep holes near the pump bearing. If you see significant leakage from that weep hole, it is time to replace the pump.
  • Bearing roughness or noise. If the water pump shaft does not turn smoothly or the pump is noisy, the bearing is excessively worn. Pump replacement will be necessary.
  • Timing belt replacement. In engines where the water pump is driven by the timing belt, it is a good idea to replace the water pump at the same time the timing belt is replaced. The extensive work explains why it is always recommended to replace the water pump whenever the mechanic already has these components removed for regularly scheduled timing belt replacement.

How do mechanics replace the water pump?

  • The water pump is usually bolted to the front of the engine. The replacement procedure will vary depending on whether the pump is driven by the timing belt, the serpentine belt, or chain.
  • On a cold engine, the engine coolant is drained to a level below the water pump.
  • Components that require removing to access the water pump are removed, including the belt or chain that directly drive the pump.
  • The bolts holding the pump to the engine are removed and the pump is pulled out.
  • The gasket surface must be cleaned and the pump mounting surface inspected. A new gasket, rubber seal, or RTV sealant, as required, is installed and then the new pump. The bolts are torqued in sequence using a calibrated inch pound torque wrench.
  • For applications where the water pump is driven by the timing belt, the timing belt must be removed. Typically, this requires removal of the crankshaft pulley, timing belt covers, and timing belt tensioner. Once the new pump is installed, new coolant is added back while bleeding the cooling system of any air. The engine is then run and brought to normal operating temperature to check for leaks and ensure normal operating temperature.

Is it safe to drive with a water pump problem?

No. Should the water pump only leak a little bit, you can drive the car. However, a small leak could suddenly enlarge or the pump bearing might unexpectedly seize. Either circumstance would likely cause engine overheating. If a defective water pump causes the overheating, it is not safe to drive because of the damage to the engine.

When replacing the water pump keep in mind:

  • It is best to install a new cooling system thermostat when you install a new water pump, especially if the thermostat is old or original.
  • Completely flushing the cooling system is a good idea when you replace the water pump. Flushing can be done before or after pump replacement.
  • The rest of the cooling system should be inspected too — particularly rubber hoses, which have a limited lifetime.

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Meet some of our expert Lexus mechanics

Real customer reviews from Lexus owners like you.

Excellent Rating


YourMechanic Lexus RX330 Service

Average Rating

4.8/5

Number of Reviews

210

Rating Summary
193
6
1
3
7
193
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1
3
7

Rocco

20 years of experience
302 reviews
Rocco
20 years of experience
Lexus RX330 - Water Pump - Hermosa Beach, California
Rocco was great. He communicated he was running a half hour late, but he got the job done 2 hours earlier than expected. The man dominated the job well with in the projected time period so to me I'm not concerned what time he starts. Rocco was very transparent about a service I didn't really need and removed it from the work order. He also highlighted some issues that needed to be addresssed going forward, which is appreciated. He didn't just show up to do the job on the work order and leave. He pointed out some problem areas he noticed because it is the right thing to do. Personally, I really appreciate made being aware of items that need to be address although they were well outside the scope of the requested service. Will definitely be working with Rocco again.

Eric

12 years of experience
9 reviews
Eric
12 years of experience
Lexus RX330 - Axle / CV Shaft Assembly Replacement (Driver Side Front) - Edmond, Oklahoma
Wonderfully knowledgeable and professional. Super friendly.

Leslie

12 years of experience
73 reviews
Leslie
12 years of experience
Lexus RX330 - Car is overheating - Glenside, Pennsylvania
Excellent service and honest mechanic.

Dwight

30 years of experience
58 reviews
Dwight
30 years of experience
Lexus RX330 - Brake Pads Replacement (Front) - Woodstock, Georgia
Dwight was very professional and friendly. He arrived ahead of schedule. I will definitely recommend him to my friends and colleagues.

Excellent Rating


YourMechanic Lexus RX330 Service

Average Rating

4.8/5

Number of Reviews

210

Rating Summary
193
6
1
3
7
193
6
1
3
7
Red-stars EXCELLENT RATING ON
Number of Lexus RX330 services completed
2310+
services done by our mechanics
TOTAL NUMBER OF EXPERT Lexus MECHANICS
800+
experts on our platform

How can we help?

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