Altima 2.5 SL L4-2.5L (QR25DE) (2002)
Hose/Line HVAC: Service and Repair
Automatic Air Conditioner
Removal and Installation for Low-pressure Flexible Hose
REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure". See: Service and Repair
CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
2. Remove the low-pressure flexible hose. Refer to "Components". See: Diagrams/Exploded Views
INSTALLATION
CAUTION:
-
Replace the O-ring of the low-pressure flexible hose with a new one, then apply compressor oil to it when installing it.
-
When charging refrigerant, check for leaks.
Bolt mounting the low-pressure flexible hose (evaporator side)
Tightening torque : 2.9 - 5.9 N.m (0.29 - 0.60 kg-m, 26 - 52 in-lb)
Bolt mounting the low-pressure flexible hose (compressor side)
Tightening torque : 7.8 - 19.6 N.m (0.8 - 1.9 kg-m, 69 - 173 in-lb)
Bolt connecting the low-pressure flexible hose in-line connection
Tightening torque : 7.8 - 19.6 N.m (0.8 - 1.9 kg-m, 69 - 173 in-lb)
Removal and Installation for High-pressure Flexible Hose
REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure". See: Service and Repair
2. Remove the high-pressure flexible hose. Refer to "Components". See: Diagrams/Exploded Views
CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
CAUTION:
-
Replace the O-ring of the high-pressure flexible hose with a new one, then apply compressor oil to it when installing it.
-
When charging refrigerant, check for leaks.
Bolts mounting the high-pressure flexible hose
Tightening torque : 7.8 - 19.6 N.m (0.8 - 1.9 kg-m, 69 - 173 in-lb)
Removal and Installation for High-pressure Pipe
REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure". See: Service and Repair
2. Remove the high-pressure pipe. Refer to "Components". See: Diagrams/Exploded Views
CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
CAUTION:
-
Replace the O-ring of the high-pressure pipe with a new one, then apply compressor oil to it when installing it.
-
When charging refrigerant, check for leaks.
Bolt mounting the high-pressure pipe (evaporator side)
Tightening torque : 2.9 - 5.9 N.m (0.29 - 0.60 kg-m, 26 - 52 in-lb)
Bolt mounting the high-pressure pipe (condenser side)
Tightening torque : 7.8 - 19.6 N.m (0.8 - 1.9 kg-m, 69 - 173 in-lb)