1.5

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
116,667 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Lexus RX400H drivetrain problems

drivetrain problem

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2007 Lexus RX400H Owner Comments

problem #3

Feb 122020

RX400H

  • 140,000 miles

A D V E R T I S E M E N T S

Check engine light came on on highway. Within a few miles, the hood began to smoke, so immediately pulled over. Towed to mechanic and was told water pump failure caused engine to overheat. Engine is destroyed.

- Chicago, IL, USA

problem #2

Sep 062009

RX400H

  • 90,000 miles
While driving in my neighborhood, I heard a noise. 1-3 minutes later, the oil light came on. I went straight to the dealer (a mile away), despite the owner's manual indicating no urgency. They said my oil cooler line blew, leaked out all my oil and destroyed my engine within minutes. I came to find out later that this catastrophic, engine-destroying oil line rupture is a known defect to Lexus (like the vvt line) but for some reason was never recalled despite it being just as catastrophic/dangerous. Lexus chose to use a cheaper rubber hose instead of a metal pipe when the rubber hose can't take those high temps and will blow. 100% likelihood this will happen'just a matter of when. I researched it and there are millions of Toyota and Lexus cars affected by this problem'every single '07-'11 Rx 350 plus many Toyota. Lexus was made aware of the defect but chose not to fix it. Except in Canada, there was a mandatory recall and this part was replaced. For some highly suspicious reason, this didn't happen here. Why" it's dangerous enough to recall in Canada, but not the us" instead of recalling, us Lexus issued an insufficient 36 month warranty to replace it, but only if it blew during this time. If it didn't leak within that time, you're screwed. Lexus messed up its VIN tracking system, so people were not made aware of this warranty. For those who were, the issue was downplayed as simply an 'oil seep' instead of an oil line explosion which destroys the engine. Customers were not told at the dealership. We should have been alerted to the defect so we could fix it proactively and spare us the death of a car with only 90K miles. Google this problem to see the thousands of posts/complaints on Toyota/Lexus websites. There needs to be a mandatory recall and/or reimbursement for those whose engines were destroyed by Lexus' known defect. Please take action! please.

- Penn Valley, PA, USA

problem #1

Jun 012017

RX400H

  • 120,000 miles
1.transmission unexpectedly completely shut down while driving on the freeway. Car jumped forward and completely stopped on the fast lane. I had to call for towing. Transmission was replaced at mechanic shop. Happen in November 2016 2. oil shooting from the broken hose close to the engine while driving on the freeway. Stopped car and call for towing. Replacement of hose completed at mechanic shop. Happen in 2014. Reimbursed by manufacturer. 3. random flashing of air bag lights (driver) without any reason. Looks like some sensor/electrical malfunction. Happening now.

- Auburn, CA, USA

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