Shaft Seal and Seat

Tools Required:

• Shaft Key Remover T81P-19623-NH
• Snap Ring Pliers T71P-19703-T
• Shaft Seal Seat Remover T87P-19623-BR
• Shaft Seal Remover T91P-19623-AH
• Shaft Seal Protector T71P-19703-H
• Shaft Seal Replacer T92P-19623-BH or T87P-19623-C
• Rotunda Electronic Leak Detector 055-00015

Removal

The refrigerant system must be discharged and the compressor removed from the vehicle to perform the shaft seal replacement operation.

The 10P15C compressor uses two different shaft seals. The shaft seal identification marks are located on the compressor front head.

Compressor Shaft Seal Identification






Compressor Clamped in Vise for Disassembly

1. Clamp the compressor in a vise as shown in the previous illustration and remove clutch hub as outlined.

2. Clean compressor front hub area to remove any accumulation of oil and dirt.

3. Carefully remove felt and retainer from inside nose of compressor.

4. Remove shaft key with Shaft Key Remover T81P-19623-NH.

5. Remove shaft seal seat retaining snap ring with Snap Ring Pliers T71P-19703-T and Snap Ring Remover T89P-19623-DH as follows:
   1. Insert tip of Snap Ring Remover T89P-19623-DH into one of snap ring eyes.
   2. Rotate Snap Ring Remover tool to position tool tip and snap ring eye closest to compressor shaft, while allowing clearance for snap ring with the seal seat flange.
   3. Pull Snap Ring Remover tool up quickly, while keeping tool shaft against side of nose opening, and remove snap ring.

6. Clean inner bore of compressor nose to prevent dirt from entering compressor when shaft seal seat is removed.

7. Remove shaft seal seat with Shaft Seal Seat Remover T87P-19623-BR.

8. Insert Shaft Seal Remover T91P-19623-AH into compressor nose opening on top of shaft seal. Turn tool 45 degrees while pushing tool inward until tool engages tangs of seal. Then pull shaft seal from compressor with tool.

Installation

 CAUTION: DO NOT TOUCH the sealing surface of the shaft seal or seal seat with bare hands. To do so will damage the sealing surface.

1. Place Shaft Seal Protector T71P-19703-H over the end of the compressor shaft.

2. Lubricate new shaft seal with clean refrigerant oil and place it on protector.

   NOTE: Check the thin edge of the shaft seal protector for burrs or other damage. Replace the tool if burrs are found as the burrs could damage the internal sealing portion of the shaft seal assembly during installation.

3. Using Shaft Seal Replacer T92P-19623-BH insert the shaft seal into compressor. Rotate seal on compressor shaft while pushing inward until the flats of the shaft are aligned with flats of the shaft seal and the seal is positioned against the stops on the shaft.

4. Attach shaft seal seat to Shaft Seal Seat Replacer T87P-19623-B and lubricate seal seat and inside of compressor nose with clean refrigerant oil. Then insert seal seat into compressor. Push seal seat in against seal.

5. Install seal seat retaining snap ring into nose of compressor and push snap ring into groove with handle end of Shaft Seal Remover/Replacer T87P-19623-C.

6. Install shaft key with rounded end inward.

7. Rotate compressor shaft 10 revolutions with clutch hub to distribute oil in compressor.

8. Leak test shaft seal with Rotunda Leak Detector 055-00015 or equivalent as outlined under Compressor External Leak Test.

9. Install a new felt strip and the original retainer into nose of compressor.
   
   
   
   

10. Install clutch shims and clutch hub as outlined. Check clutch air gap and adjust as necessary.