Compressor Shaft Seal: Service and Repair

SHAFT SEAL

REMOVAL
1. Remove A/C compressor from the vehicle.
2. Remove A/C clutch from A/C compressor.





3. Remove shaft seal felt from nose of A/C compressor with O-Ring Remover T71P-19703-C.
4. Blow any debris from inside the A/C compressor nose with low-pressure compressed air. Then clean the inside and outside nose area of the A/C compressor with a lint-free cloth to remove any oil and dirt.





5. Insert the tip of the Snap Ring Remover T89P-19623-DH into one of the snap ring eyes.





6. Rotate the snap ring remover to position the tool tip and the snap ring eye closest to the A/C compressor shaft.





7. Pull the snap ring remover up quickly while keeping the tool shaft against the side of the nose opening and remove the snap ring.





8. Position Shaft Seal Remover T89P-19623-BH over A/C compressor shaft and push tool into nose of A/C compressor and down against shaft seal. Engage end of tool with inside diameter of shaft seal. While holding the hex part of the tool, turn tool handle clockwise to expand tool tip inside seal inner radius. Then pull shaft seal from the A/C compressor with the tool.

INSTALLATION
1. CAUTION: Do not use a damaged seal protector. It can damage the lip of the new shaft seal. Obtain another shaft seal kit and use protector from it.

Obtain a new A/C compressor shaft seal kit. Carefully remove the contents of the kit from the package. A plastic shaft seal protector is included with each kit. Inspect the protector for any burrs or other damage. Seal Protector T94P-19623-F can also be used.
2. CAUTION: Do not allow any dirt or foreign materials to enter the A/C compressor. Internal system contamination can lead to A/C compressor failure.

Using a clean, lint-free cloth, clean the A/C compressor shaft and the seal pocket inside the A/C compressor nose.





3. Dip the seal protector and shaft seal in clean Motorcraft YN-12b Refrigerant Oil or equivalent meeting Ford specification WSH-M10231-B. Position the shaft seal on the protector with the lip of the seal pointing toward the large end of the protector as shown.





4. Place the seal protector with shaft seal over the end of the A/C compressor shaft.





5. Using Shaft Seal Replacer T89P-19623-AH, slowly push seal down shaft protector onto A/C compressor shaft until seated.
6. Remove Shaft Seal Replacer T89P-19623-AH and Seal Protector T94P-19623-F from A/C compressor shaft.
7. Place a new shaft seal retaining snap ring into the compressor nose opening and seat the snap ring into the groove.
8. Leak-test the shaft seal installation after rotating the compressor shaft about 10 revolutions with the A/C clutch. Refer to A/C Compressor External Leak Test. Testing and Inspection
9. Install a new shaft seal (felt) into the nose of A/C compressor.
10. Install A/C clutch on A/C compressor.
11. Check and adjust the air gap as described in Adjustments.
12. Install A/C compressor on vehicle.