Back to NSX servicing…… As reported earlier, the header tank was leaking the coolant from the area where the upper and lower tank were bonded. As I had new one in stock, replaced it. The tank and Type-R cover were treated with 303 protectant before the installation. Hope it will last longer this time ...
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Addition to the Bose AMP and Alpine Audio Head Unit, I was working on the A/C CCU board for another owner recently. The owner bought the NSX recently and noticed that the fan speed control only operates when it was set at the max speed setting so typical CCU board failure mode. Basically, when the fan speed is set at max, it bypass the power transistor’s base voltage duty control and simply triggers the blower high speed relay and applies battery voltage on the blower motor resulting ...