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Engine coolingPart report

2006 Lexus RX330 Engine cooling Problems

Complaints
8about this part
Share
12%of 67 total for the year
Median mileage
55,366miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the engine cooling of the 2006 Lexus RX330, 12% of the 67 complaints for this model year. Where a mileage was given, the median is 55,366 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I have 41k miles on my car. Anti freeze has been dripping from the right side of the radiator same as other people. In contacting Lexus, being that the warranty has expired, they will charge to evaluate the problem and the repair estimate is 1k. How does Lexus know that the residual parts from 2004-05, which has been recalled, was not used during the 2006 assembly?”

NHTSA complaint #10456965, filed 2012-04, 41,720 miles

“Crack in the radiator at 73800 miles. Car started smoking and when stopped and opened up hood pink fluid spilled out of passenger side of radiator (anti-freeze) and was steaming. Noticed that comments have been made that 2004 -05 models have had radiator recall for same problem and read claims that this radiator might be the same.”

NHTSA complaint #10454621, filed 2012-04, 73,800 miles

“Unusual/ abnormal noise in the engine area was diagnosed due to the following: radiator failure -had a crack and leaking coolant at 55k miles; water pump failure at 55k miles; timing belt replacement at 55k miles; high pressure power steering hose failure at 55k miles.”

NHTSA complaint #10451336, filed 2012-03, 55,366 miles

“The contact owns a 2006 Lexus RX330. The contact stated that the cooling system was leaking. The vehicle was taken to the dealer who diagnosed that the radiator would need to be replaced. The manufacturer was contacted who offered to assist with fifty percent of the repair costs but the vehicle was not repaired. The failure and current mileage was 51,000. Updated 05/04/11 updated 05/09/11”

NHTSA complaint #10392407, filed 2011-03, 51,000 miles

“The contact owns a 2006 Lexus RX330. While driving at an unknown speed, the contact heard a noise from the engine and the oil indicator illuminated. She stopped the vehicle and had it towed to the dealer for repair. The dealer stated that sludge destroyed her engine. The failure mileage was 94,000.”

NHTSA complaint #10263151, filed 2009-03, 94,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2006812%
200532%
2004114%

Other parts of the 2006 Lexus RX330

Body and structure
15 complaints
Vehicle speed control
12 complaints
Exterior lighting
9 complaints
Steering
8 complaints
Other or unknown
7 complaints
Engine
5 complaints
Brakes
3 complaints
Electrical system
3 complaints
Fuel system
3 complaints
Transmission and drivetrain
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Electronic stability control
2 complaints

← All problems reported for the 2006 Lexus RX330

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology