Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2012SUBURBAN 2WD V8-5.3LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONDENSER HVACSERVICE AND REPAIR
2012 Chevrolet Suburban 2WD V8-5.3L
Condenser HVAC: Service and Repair
2012 Chevrolet Suburban 2WD V8-5.3LSECTION Service and Repair
Air Conditioning Condenser Replacement (Gas)
Special Tools
J 39400-A Halogen Leak Detector
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (HP2) Refrigerant Recovery and Recharging (Non-HP2) Service and Repair.
2. Remove the fascia.
3. Remove radiator support bolts (1). Access the bolts from the rear of the upper radiator support. Refer to Radiator Support Replacement .
4. Remove radiator support bracket bolts (1).
5. Remove the compressor discharge hose assembly bolt from the condenser.
6. Disconnect the compressor discharge hose assembly from the condenser.
7. Remove the evaporator tube nut from the condenser.
8. Disconnect the evaporator tube from the condenser.
9. Remove the insulator retainer bolts and the upper insulator retainers.
10. Remove the condenser from the vehicle.
Installation Procedure
Note: If replacing the condenser, add the refrigerant oil to the condenser.
1. Install the condenser to the vehicle.
Caution: Refer to Fastener Caution Fastener Caution.
2. Install the upper insulator retainers and the insulator retainer bolts and tighten to 2.4 Nm (21 lb in).
3. Connect the evaporator tube to the condenser using new sealing washers. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.
4. Install the evaporator tube nut to the condenser and tighten to 16 Nm (12 lb ft).
5. Connect the compressor discharge hose to the condenser using new sealing washers. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.
6. Install the compressor discharge hose nut to the condenser and tighten to 16 Nm (12 lb ft).
7. Install the lower bolts to the hood latch support bracket and tighten to 9 Nm (80 lb in).
8. Install the radiator support. Access the bolts (1) from the rear of the upper radiator support. Refer to Radiator Support Replacement .
Tighten the nut to 16 Nm (12 lb ft).
9. Install radiator support bracket bolts (1).
10. Install the fascia.
11. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging (HP2) Refrigerant Recovery and Recharging (Non-HP2) Service and Repair.
12. 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.