Compressor Shaft Seal: Service and Repair
AIR CONDITIONING (A/C) COMPRESSOR SHAFT SEALSpecial Tool(s):
SPECIAL TOOL(S)
REMOVAL
1. Remove the A/C compressor.
2. Remove the bolt.
1 Hold the A/C disc and hub assembly with the special tool.
2 Remove the bolt.
3. Remove the A/C disc and hub assembly and spacer.
1 Thread an 8 x 1.25 mm (0.05 in) bolt into the A/C disc and hub assembly to force it from the compressor shaft.
2 Lift the A/C disc and hub assembly and spacer from the compressor shaft.
4. Using the special tool, remove the shaft seal felt from the nose of the A/C compressor.
5. Clean the compressor nose area.
6. Insert the tip of the special tool into one of the snap ring eyes.
7. Rotate the special tool to position the tool tip and the snap ring eye closest to the A/C compressor shaft.
8. Pull the special tool up quickly while keeping the tool shaft against the side of the nose opening and remove the snap ring.
9. Engage the special tool into the inside diameter of the shaft seal.
10. Turn the tool handle clockwise to expand the tool tip inside the shaft seal.
11. Pull the seal from the A/C compressor.
INSTALLATION
1. CAUTION: To prevent refrigerant system contamination, do not allow dirt or other foreign materials to enter the A/C compressor.
Clean the A/C compressor nose area.
2. Place the shaft seal on the special tool. Lubricate the shaft seal and the special tool with PAG oil or equivalent.
3. Position the shaft seal and the special tool over the A/C compressor shaft.
4. Using the special tool, push the shaft seal onto the A/C compressor shaft until seated.
5. Install the shaft seal snap ring.
6. Carry out the A/C compressor external leak test.
7. Install the shaft seal felt.
8. Install the A/C clutch hub spacer.
9. Install the A/C disc and hub assembly.
10. Using the special tool, install the A/C disc and hub assembly retaining bolt.
11. Measure and adjust the clutch air gap by removing or adding spacers as needed.
12. Install the A/C compressor.