OEM Chevrolet Express 2500 Transmission Oil Cooler

Chevrolet Express 2500 Transmission Oil Cooler Parts Questions & Experts Answers

• Auxiliary Cooler
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  Q: How to replace the Transmission Oil Cooler in a 4L80-E/4L85-E automatic transmission on Chevrolet Express 2500?

  A: A 4l80-e/4l85-e automatic transmission requires starting the transmission fluid auxiliary cooler replacement process by taking off the grille assembly and breaking connections to the auxiliary cooler lines. Begin by disassembling the push clips securing the lines to the auxiliary cooler mounting bracket before manually elevating and supporting the vehicle. Begin the process by disconnecting the auxiliary cooler bracket's lower bolts and lowering the vehicle for access to remove all bracket bolts. Install the Transmission Oil Cooler into the vehicle and apply torque of 10 n.m (89 lb in) when installing the upper bolts to the Transmission Oil Cooler bracket. Reposition the vehicle to bolt the lower bracket to the Transmission Oil Cooler and finish the job with bolt torque set to 10 n.m (89 lb in). Lower the vehicle afterwards. After attaching the Transmission Oil Cooler lines to the auxiliary Transmission Oil Cooler connect them to the push clips in the mounting bracket before placing the grille assembly back.