Quote:
Originally Posted by Accurate Race Shop
I know of 2 people in michigan that have gotten replacements. Problems like these are the risk you take when you mod a new car. In the past the after market for a car (aside from intake, exhaust, and suspension) came out years after the release. People that go forced induction are probably in for an argument as they will say the transmission was never rated for the power and torque they are putting in. If you just have the simple mods intake, exhaust, and suspension you should have no problem at the dealership.
Sent from my Q10
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If it came down to it, (depending on the actual HP/Tq level) I don't believe that the power argument would hold up in court for multiple reasons. The Lexus from which these transmissions are sourced have more power than the CARB FI kits for our cars. More importantly, OEM clutches are designed to fail before the transmission. So, if the power exceeded the transmission rating, the clutch would've been toast before the damage occurred, unless we're talking about abuse by improper transmission operation by the driver.
With this in mind, if the transmission is being operated correctly, and the clutch is in good condition, then the power capacity of the transmission has not been exceeded and the transmission is probably faulty. Again, these transmissions are filled with GL-3. Lexus has a TSB with a Warning that says that use of fluid less than GL-5 WILL cause transmission damage. This should be a recall to refill all with Subaru Extra-S (GL-5). The fluid will not fix damage, but will probably prevent it.