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Manufacturer's Recommendation
Hi guys,
There's a story I want to share with you and see what you think. My sister's Lexus is a 2006 GS300. According to the owner's manual, the transmission is sealed and needs no servicing or fluid replacement. I've been replacing the trans fluid on all my Honda's, but I decided to go with the manufacturer's recommendation/suggestion. Last month, at around 110,000 miles, the transmission took a dump. There were 2 codes saying some valves got stuck. We took it to the dealer, and they won't repair it, only replace it. We took it to our indy friend mechanic. After a week, he said he fixed it, and said the fluid hadn't been changed, which lead to this failure. He replaced the valves and sensors.
We took it home, codes came back, took it back to him, and now he's still trying to figure out what is wrong.
I know many newer cars are going to lifetime or extended life fluids. I don't know if the mechanic is right about the fluid not being change causing the failure. But Lexus doesn't require or recommend the fluid to be changed. What do you guys think?
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