Dorman Products Inc Archives - Transmission Digest
Dorman introduces transmission oil cooler bypass valve

Among new products released by Dorman is a transmission oil cooler bypass valve, designed for specific Chevrolet, GMC and Cadillac SUVs and pickup trucks. This product is intended to address issues like overheating, insufficient heat generation, or fluid leaks in transmissions, Dorman said. Made from solid aluminum billet, the valve features an additional access port

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Dorman introduces new torque converter solenoid for Subaru

Among new products released by Dorman is an OE FIX torque converter lock-up solenoid (part no. 926-408) that the company says is designed to match the fit and function of the original part on almost four million 2012-2020 Subaru vehicles. This new repair solution allows the replacement of just the failed solenoid rather than the

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Potential causes of an overheated transmission: It’s not always what you think

If a transmission starts overheating, the root cause must be something to do with the transmission itself, right? Not always. The following are a few examples where the transmission was not to blame. Exhibit A: GM 6L80/90 The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in

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