Brake Squeal in reverse?

Toyota now says that new calipers are needed. Of course the dealer only has one on hand (like the actuator) so they have to order another and have it shipped. The saga continues.
 
I'm coming up on 1,000 miles, but am still getting a significant amount of brake squeal baking down my driveway in reverse each morning. Is this normal?
NOT normal, mine too! Started at 1500 miles, at dealer now- they tried to convince me this is normal; but I won't accept that- I don't care, replace the rotor, pads, everything..... unacceptable for a brand new vehicle....
 
NOT normal, mine too! Started at 1500 miles, at dealer now- they tried to convince me this is normal; but I won't accept that- I don't care, replace the rotor, pads, everything..... unacceptable for a brand new vehicle....
I just talked to my service rep again. She followed up with Toyota and they still have not released a service recommendation. The service manager admitted Toyota knows it’s a problem after I showed him that Lexus is already put out a service bulletin to install a shim kit.

Maybe someone could have one of the bigger Twitter influencers to post some videos of this. The sound is horrifying. Toyota would not like that posted online about a new model.
 
After having my LC for a month and greasing the brakes and installing new calipers the problem persists albeit not as bad for now anyways.
 
Has anyone read the Lexus TSB on what they do to fix it in a Lexus GX550?
 
Has anyone read the Lexus TSB on what they do to fix it in a Lexus GX550?
Attached. I think there's an updated Rev 1 to add 2025 MY, not sure is anything else changed.
 

Attachments

  • MC-11010335-0001.pdf
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From what I gather there few parts replaced. The difference is in the markings of such parts.
My friends in UK having a FE showed this TSB to His dealer. And the acknowledged the problem. Since there is no TSB. they have written to Toyota Japan of the impending isses. as many have reported. but no news yet or a solution. We may expect to see soon the TSB for LC250.
 
NOT normal, mine too! Started at 1500 miles, at dealer now- they tried to convince me this is normal; but I won't accept that- I don't care, replace the rotor, pads, everything..... unacceptable for a brand new vehicle....
I had the same problem at 1500 miles and waited for my 5k miles to take it in. They resurfaced the front calibers and it stopped making noise for a while. I again took it in at 7k miles and they resurfaced the rear calibers. I am still having problems. This is unacceptable. My next step is to go to Toyota corporate to let them know that this is not working.
 
I had the same problem at 1500 miles and waited for my 5k miles to take it in. They resurfaced the front calibers and it stopped making noise for a while. I again took it in at 7k miles and they resurfaced the rear calibers. I am still having problems. This is unacceptable. My next step is to go to Toyota corporate to let them know that this is not working.
Welcome to the asylum ski.
 
Skimming is never the solution. It is direct replacement. I had the same issue. From Day 1, and should be replaced in entirety. But they never understood which was the problematic issue here. I showed the TSB of Lexus. And it took a while for them a similar platform truck had the issue. And they took up with Toyota and then issued the directive to replace. Fortunately it was the same part and it stopped. Unlike the Lexus TSB, They have redesigned those parts having the issue. But have not yet released a redesigned part for Toyota LC250. Too me was more of the calliper springs and pads. Though the issue has completely stopped. But the new brake pad sucks. I dont know if this is becoz of the added wt to the Skid plates in its entirety( 10mm) for front to the mid rear until the actuator.
 
Skimming is never the solution. It is direct replacement. I had the same issue. From Day 1, and should be replaced in entirety. But they never understood which was the problematic issue here. I showed the TSB of Lexus. And it took a while for them a similar platform truck had the issue. And they took up with Toyota and then issued the directive to replace. Fortunately it was the same part and it stopped. Unlike the Lexus TSB, They have redesigned those parts having the issue. But have not yet released a redesigned part for Toyota LC250. Too me was more of the calliper springs and pads. Though the issue has completely stopped. But the new brake pad sucks. I dont know if this is becoz of the added wt to the Skid plates in its entirety( 10mm) for front to the mid rear until the actuator.
Agreed. We need to address the issue. If enough people voice their concern about this, hopefully Toyota will make a fix.
 
I had the same problem at 1500 miles and waited for my 5k miles to take it in. They resurfaced the front calibers and it stopped making noise for a while. I again took it in at 7k miles and they resurfaced the rear calibers. I am still having problems. This is unacceptable. My next step is to go to Toyota corporate to let them know that this is not working.
How do you do this?
 
Just wanted to pile on with the same issue in case anyone from Toyota monitors this forum. Took it to the dealer for inspection - the service members mentioned it’s their number 1 complaint. Spoke with a technician who has a 1958 with both the brake squeal and cold start rattle problems. They marked the issue in their system and also encouraged me to call Toyota as recommended by others to gain critical mass for a TSB. We all agreed it’s disappointing for a “premium” product to have these defects.
 
Probably brake pads not well aligned..
It’s been a known issue with other Toyotas, eg the Tundras a few years ago. They did a TSB on them (or was it a recall, IDK 🤷). You would think that Toyota would have figured out WHAT NOT TO DO.. by now.
 
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