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How To Install an HVAC Blend Door Actuator - Defrost - on your 2005-2009 Mustang

Installation Time

45 minutes

Tools Required
  • 8mm socket
  • 7mm socket
  • 1⁄4 inch ratchet

Step 1: Remove the four 7mm screws at the bottom of the glove box and lower the glove box while pinching the sides to remove it completely. 


Step 2: Remove the connector the red arrow is pointing to 


Step 3: Remove the two 8mm bolts from the top and bottom. This may take some time, as there is limited room. 


Step 4: Make very sure to realign the arm of the new motor and the holder carefully and then insert the old 8mm screws from the old motor back in the same two locations. 


Step 5: Remove the plastic trim around the inner fuse box. 


Step 6: Pull fuses #10 and #12 they are 5 amp fuses this will reset your HVAC system to ensure the new motor will work. 


Step 7: Turn on the car and be sure that the defroster is working properly with no noises. If everything works correctly, assemble the glove box back into position and screw back in the four 7mm bolts. 


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