Note: PATC transmission pans are designed for and around the space available on a stock vehicle. Because our transmission pans are larger and shaped differently than stock, if you have added any aftermarket parts located near the transmission such as exhaust components, you must check to be sure that contact between your new transmission pan and other parts of your vehicle will not occur. PATC assumes no liability expressed or implied, for damage or injury to persons or property.
  1. Position a large oil drain pan underneath your old transmission pan.
  2. Prepare for large amounts of red fluid to drain from around the perimeter of the pan.
  3. Loosen all perimeter mounting bolts. Remove all but 2 bolts located on one side of the pan.
  4. Carefully insert a putty knife or gasket scraper between the stock pan and the transmission (be careful not to gouge the gasket surface of the transmission) on the side opposite the 2 remaining bolts to break the seal. Pry the pan slightly away from the transmission to allow the oil to drain.
  5. Once the oil has drained, remove the remaining bolts and remove the pan.
  6. Remove all old gasket material and oil from the machined gasket surface of the transmission. Be careful not to damage the machined surface. This surface must be clean and dry for the new gasket to seal properly.
  7. Remove the old transmission filter and replace it with a new one.
  8. Place a new transmission pan gasket on the PATC transmission pan.
  9. Compare the threaded part of your original bolts to the new fasteners provided with your PATC transmission pan. The thread diameter and threads per inch should be the same.
  10. Carefully place your new transmission pan with gasket up against the transmission and install the perimeter bolts. Snug all bolts up against the transmission pan flange.
  11. Tighten bolts in a criss cross pattern, a little at a time. Torque bolts to 15 ft-lbs.
  12. Torque drain plug to 25 ft-lbs.
  13. Fill the transmission with new oil. Refer to your vehicle service or owners manual for the proper type of oil and filling procedure.
  14. Your new PATC transmission pan will hold 2-4 quarts more oil than your stock pan (the exception is our low profile pans which are stock capacity).
  15. Once the proper oil level has been achieved, drive your vehicle for 20 minutes or more to allow the oil to get hot and check the oil level again. Add oil as needed to get the level to full on the dipstick.

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