OEM Chevrolet Express 3500 Transmission Oil Cooler

Chevrolet Express 3500 Transmission Oil Cooler Parts and Q&A

• Transmission Cooler
  15059397
  Q: How to service and repair the Transmission Oil Cooler on Chevrolet Express 3500?

  A:

  Start the Transmission Oil Cooler repair process by removing the vehicle's grille assembly. A wrench should be used to remove four bolts which secure the auxiliary Oil Cooler to the radiator support in all vehicles except those with the 4.3l engine. The auxiliary Oil Cooler must be disconnected by removing its four bolts (Wrench) from the radiator support in any vehicle equipped with the 4.3l engine. During installation you should use a torque wrench to secure the bolts at 10 nm (89 inch lbs.) for every vehicle model. Finally, reinstall the grille assembly.
• Auxiliary Cooler
  22839312
  Q: How to replace the Transmission Oil Cooler on a 4L80-E/4L85-E on Chevrolet Express 3500?

  A:

  In order to remove the transmission fluid oil cooler on a 4l80-e/4l85-e, start by removing the grille assembly and removing the 2 lines attached to the oil cooler. Then, remove the lines from the push clips of the oil cooler mounting bracket and raise the vehicle. Remove the lower bolts from the mounting bracket of the oil cooler, then, lower the vehicle to gain access to the removal of the upper bolts to enable removal of the oil cooler. When installing, put the oil cooler into the car, and the upper bolts have to be inserted into the oil cooler bracket itself and tightened to 10 nm (89 inch lbs). Lift up the vehicle and then install the lower bolts to the oil cooler bracket and tighten them down to 10 nm (89 inch lbs.) and lower the vehicle. Mount the oil cooler lines to the oil cooler and attach the lines onto the push clips on the mounting bracket prior to putting the grille assembly back on.