Nissan Altima (L32) 2007-2012 Service Manual ≻ Heater & air conditioning system ≻ On-vehicle repair ≻ Compressor

Nissan Altima (L32) 2007-2012 Service Manual: Compressor

Removal and Installation for Compressor - QR25DE Models

REMOVAL

1. Discharge the refrigerant. Refer to HA-24, "HFC-134a (R-134a) Service Procedure".

2. Remove the drive belt. Refer to EM-16, "Removal and Installation".

3. Remove the engine undercover.

4. Remove the front RH wheel and tire.

5. Remove the side cover from inside the front RH wheel well.

6. Remove the clip and reposition the power steering pipe out of the way.

7. Disconnect the compressor connector.

8. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor.

CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of any contaminants. 9. Remove the compressor bolts, then remove the compressor using power tools.

INSTALLATION

Installation is in the reverse order of removal. CAUTION: • Replace the O-ring of the low-pressure flexible hose and high-pressure flexible hose with new ones, then apply A/C oil to them for installation.

• After charging the A/C refrigerant, check for leaks. Refer to HA-25, "Checking of Refrigerant Leaks".

Removal and Installation for Compressor - VQ35DE Models

CAUTION: For installation, tighten the compressor bolts in the order as shown.

REMOVAL

1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure".

2. Remove the engine cooling fan and shroud assembly. Refer to CO-40, "Removal and Installation".

3. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor.

CAUTION: Cap or wrap the joint of the hose with suitable material such as vinyl tape to avoid the entry of any contaminants.

4. Remove the front RH wheel and tire.

5. Remove the RH engine side undercovers.

6. Disconnect the clamp and reposition the power steering pipe out of the way.

7. Disconnect the compressor connector.

8. Remove the drive belt. Refer to EM-121, "Removal and Installation".

9. Remove the RH compressor bolts..

10. Remove the front compressor bolts using power tool.

11. Disconnect the compressor wire harness clip from the compressor.

12. Remove the compressor.

INSTALLATION

Installation is in the reverse order of removal. CAUTION: • For installation, tighten the compressor bolts in the order as shown.

• Replace the O-rings on the low-pressure flexible hose and high-pressure flexible hose with new ones, then apply A/C oil to them for installation.

• After charging the A/C refrigerant, check for leaks. Refer to HA-25, "Checking of Refrigerant Leaks".

Refrigeration system

Component 1. Heater and cooling unit assembly 2. High-pressure pipe 3. High-pressure A/C service valve 4. Junction pipe 5. High-pressure flexible hose 6. Condenser and liquid tank 7. Air def ...

Low-pressure flexible hose

Removal and Installation for Low-Pressure Flexible Hose QR25DE Removal 1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure". 2. Remove the low-pressu ...

Other materials:

Maintenance precautions
When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precautions which should be closely observed. WARNING Park the vehicle on a level surface, apply the parking br ...

Changing engine oil and oil filter
For additional information on engine oil and oil filter change, refer to the instructions outlined in this section. Vehicle set-up 1. Park the vehicle on a level surface and apply the parking brake. 2. Run the engine until it reaches operating temperature. 3. Turn the engine off and wait for 15 mi ...

System Temporarily Unavailable
The following are conditions in which the ICC system may be temporarily unavailable. In these instances, the ICC system may not cancel and may not be able to maintain the selected following distance from the vehicle ahead. Condition A Under the following conditions, the ICC system is automatically ...