wayhin Posted March 17, 2006 Share Posted March 17, 2006 I just got my new RX400h last month and I drove it very gentle. In last two weeks, time to time I heard a big hitting noise from the engine compartment. Now I can reproduce the noise. Whenever I accelerated the car, then very quickly to press the brake, I can hear this noise. Sometimes very loud, feel like something hit my car from the ground. I also have a rattling noise in my car from rear door area. I drove my car to dealer to fix this noise. I reproduced the noise to the dealer technician and they said they didn't see that before. Now it has been 3 days and they still can not isolate where the noise coming from, neither the rear rattling noise. My service rep told me they will have a specialist to diagnose the problem tomorrow. Is that a serious problem? Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 17, 2006 Share Posted March 17, 2006 This is certainly the first I've heard of this type of issue. Please let us know what they find. Quote Link to comment Share on other sites More sharing options...
wayhin Posted March 28, 2006 Author Share Posted March 28, 2006 It has been two weeks and the car is still not ready. I were told two days ago that they thought they found the problem but they needed to have the Lexus engineer to examine it before the part is replaced. Last weekend I went to dealer and saw my car has a lot of disassembly parts. It seems it is not an easy fix problem. I don't feel good to see my new car in such condition. I requested the dealer to replace with a new car. Fortunately they agreed to replace with a new car. Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 29, 2006 Share Posted March 29, 2006 It has been two weeks and the car is still not ready. I were told two days ago that they thought they found the problem but they needed to have the Lexus engineer to examine it before the part is replaced. Last weekend I went to dealer and saw my car has a lot of disassembly parts. It seems it is not an easy fix problem. I don't feel good to see my new car in such condition. I requested the dealer to replace with a new car. Fortunately they agreed to replace with a new car. THAT'S what separates Lexus from the rest - great customer service! Quote Link to comment Share on other sites More sharing options...
speedyg Posted March 29, 2006 Share Posted March 29, 2006 They replaced your car with a new one? wow, that's great! If you ever hear what the problem with your original one was, let us know :) Quote Link to comment Share on other sites More sharing options...
stiksandstones Posted March 30, 2006 Share Posted March 30, 2006 They replaced your car with a new one? wow, that's great! If you ever hear what the problem with your original one was, let us know :) Yes, let us know. We just hit 20k on our 400h, loved every minute of it. Quote Link to comment Share on other sites More sharing options...
wayhin Posted April 1, 2006 Author Share Posted April 1, 2006 Dealer has fixed the problem. They said the problem was the brake actuator internal failure. Dealer technician and Lexus engineers have tested the car whole day on Wed and confirmed that is the root cause. They allowed me to pick up my replaced new car this weekend. Quote Link to comment Share on other sites More sharing options...
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