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HOMESERVICE MANUALSCHEVROLET2003C TAHOE 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACSERVICE AND REPAIRCOMPRESSOR REPLACEMENT
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN T
Compressor Replacement
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN TSECTION Compressor Replacement
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
3. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
4. Remove the A/C belt from the A/C compressor.
5. Slowly release the tension on the A/C belt tensioner.
6. Remove the right front tire and wheel assembly.
7. Remove the wheel house panel from the vehicle.
8. Remove the discharge hose bolt from the A/C compressor.
9. Remove the discharge hose from the A/C compressor.
10. Remove the suction hose bolt from the A/C compressor.
11. Remove the suction hose from the A/C compressor.
12. Discard the sealing washers. Cap all of the openings.
13. Disconnect the electrical connections.
14. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.
15. Remove the A/C compressor (2) from the bracket (1).
16. If replacing the A/C compressor, Refer to Compressor Oil Balancing.
INSTALLATION PROCEDURE
1. Install the A/C compressor (2) to the bracket (1) through the fender well. Insert the mounting bolt (3) into the lower right mounting boss before installing the A/C compressor.
2. Install the A/C compressor to the bracket. Insert the mounting bolt into the lower right mount before installing the A/C compressor.
3. Install the A/C compressor mounting bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
4. Connect the electrical connector to the A/C compressor.
5. Install the A/C discharge hose to the compressor using new sealing washers.
6. Install the A/C discharge hose bolt to the A/C compressor.
Tighten
Tighten the bolt to 16 N.m (12 lb ft).
7. Install the A/C suction hose to the compressor using new sealing washers.
8. Install the A/C suction hose bolt to the A/C compressor.
Tighten
Tighten the bolt to 16 N.m (12 lb ft).
9. Install the wheel house panel to the vehicle.
10. Install the right front tire and wheel assembly.
11. Install the A/C drive belt.
12. Evacuate and recharge the A/C system.
13. Leak test the fittings of the component using the J 39400-A.
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
3. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
4. Remove the A/C belt from the A/C compressor.
5. Slowly release the tension on the A/C belt tensioner.
6. Remove the right front tire and wheel assembly.
7. Remove the wheel house panel from the vehicle.
8. Remove the discharge hose bolt from the A/C compressor.
9. Remove the discharge hose from the A/C compressor.
10. Remove the suction hose bolt from the A/C compressor.
11. Remove the suction hose from the A/C compressor.
12. Discard the sealing washers. Cap all of the openings.
13. Disconnect the electrical connections.
14. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.
15. Remove the A/C compressor (2) from the bracket (1).
16. If replacing the A/C compressor, Refer to Compressor Oil Balancing.
INSTALLATION PROCEDURE
1. Install the A/C compressor (2) to the bracket (1) through the fender well. Insert the mounting bolt (3) into the lower right mounting boss before installing the A/C compressor.
2. Install the A/C compressor to the bracket. Insert the mounting bolt into the lower right mount before installing the A/C compressor.
3. Install the A/C compressor mounting bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
4. Connect the electrical connector to the A/C compressor.
5. Install the A/C discharge hose to the compressor using new sealing washers.
6. Install the A/C discharge hose bolt to the A/C compressor.
Tighten
Tighten the bolt to 16 N.m (12 lb ft).
7. Install the A/C suction hose to the compressor using new sealing washers.
8. Install the A/C suction hose bolt to the A/C compressor.
Tighten
Tighten the bolt to 16 N.m (12 lb ft).
9. Install the wheel house panel to the vehicle.
10. Install the right front tire and wheel assembly.
11. Install the A/C drive belt.
12. Evacuate and recharge the A/C system.
13. Leak test the fittings of the component using the J 39400-A.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.