2003 Saturn ION L4-2.2L VIN FFACTORY OEM SERVICE PROCEDURE

Compressor Replacement



COMPRESSOR REPLACEMENT

TOOLS REQUIRED
- J 39400-A Halogen Leak Detector
- J 44811 Accessory Belt Tensioner Unloader

REMOVAL PROCEDURE
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the front fender liner.

Factory service manual diagram



4. Use J 44811 to rotate the drive belt tensioner counterclockwise to release the spring tension.
5. Remove the drive belt.

Factory service manual diagram



6. Disconnect the electrical connector from the compressor.

Factory service manual diagram



7. Remove the compressor and condenser hose assembly bolt from the compressor.
8. Remove the compressor and condenser hose assembly from the compressor.
9. Remove and discard the sealing washers.

Factory service manual diagram



10. Remove the compressor mounting bolts.
11. Remove the compressor.

INSTALLATION PROCEDURE
1. If you are replacing the compressor, refer to Compressor Oil Balancing.

NOTE: Do NOT mix refrigerant oils. Use of incorrect refrigerant oil will cause compressor failure. This compressor uses a low viscosity refrigerant oil, Saturn P/N 22695048.

IMPORTANT: NEW CVC compressor assemblies are shipped with a partial poly-alkylene glycol (PAG) refrigerant oil charge. Use of the incorrect PAG oil can result in compressor failure.

Factory service manual diagram



2. Install the compressor and the bolts to the engine.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the bolts to 22 N.m (16 lb ft).

Factory service manual diagram



3. Install new sealing washers on the hose fittings.
4. Install the hose assembly to the compressor.
5. Install the assembly bolt.

Tighten the bolt to 20 N.m (15 lb ft).

Factory service manual diagram



6. Connect the compressor electrical connector.

Factory service manual diagram



7. Use J 44811 to rotate the drive belt tensioner counterclockwise to release the spring tension.
8. Install the drive belt.
9. Install the front fender liner.
10. Lower the vehicle.
11. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
12. Leak test the fittings using J 39400-A.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.