Nissan Sentra Service Manual: Cooler pipe and hose
Exploded view

- High-pressure service port
- High-pressure pipe
- Expansion valve
- Low-pressure service port
- Low-pressure flexible hose
- Compressor
- Refrigerant pressure sensor
- Condenser and liquid tank assembly
- High-pressure flexible hose
Low-pressure flexible hose
Low-pressure flexible hose : removal
and installation
REMOVAL
- Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
- Remove the upper torque rod bolts (A) and the upper torque rod
(1).

- Remove the washer tank inlet bolt (A), then pull the washer tank
inlet (1) up and out of the washer tank.

- Remove the engine ground bolts (A) and the engine ground (1).

- Remove the A/C pipe bracket bolts (A).
(1): Low-pressure service port
(2): High-pressure service port

- Remove the push nut (A) from the expansion valve insulator (1)
and reposition.

- Remove the bolt (A) that retains the high-pressure pipe and lowpressure
flexible hose to the expansion valve, then disconnect
the low-pressure flexible hose from the expansion valve and
high-pressure pipe.
CAUTION:
Cap or wrap the joint of the hose with suitable material such
as vinyl tape to avoid the entry of air.

- Remove the front under cover. Refer to EXT-31, "ENGINE UNDER COVER :
Removal and Installation".
- Remove the bolt that retains the high-pressure flexible hose to the
compressor, then disconnect the highpressure
flexible hose from the compressor.
- Remove the bolt that retains the low-pressure flexible hose to the
compressor, then disconnect the lowpressure
flexible hose from the compressor.
- Remove the low-pressure flexible hose.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the new O-rings.
- After charging refrigerant, check for leaks. Refer to HA-21, "Leak
Test".
High-pressure flexible hose
High-pressure flexible hose : removal
and installation
REMOVAL
- Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
- Remove the core support upper cover. Refer to HA-39, "Exploded View".
- Remove the bolt (A) that retains the high-pressure flexible hose
to the condenser, then disconnect the high-pressure flexible
hose from the condenser and liquid tank assembly.
CAUTION:
Cap or wrap the joint of the hose with suitable material such
as vinyl tape to avoid the entry of air.

- Remove the bolt that retains the high-pressure flexible hose to the
compressor, then disconnect the highpressure
flexible hose from the compressor.
- Remove the high-pressure flexible hose.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to new O-rings.
- After charging refrigerant, check for leaks. Refer to HA-21, "Leak
Test".
High-pressure pipe
High-pressure pipe : removal and installation
REMOVAL
- Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
- Remove the core support upper. Refer to HA-39, "Exploded View".
- Remove the low-pressure flexible hose. Refer to HA-35, "LOW-PRESSURE
FLEXIBLE HOSE : Removal
and Installation".
- Remove the bolt (A) that retains the high-pressure pipe to the
condenser, then disconnect the high-pressure pipe from the
condenser and liquid tank assembly.
CAUTION:
Cap or wrap the joint of the pipe with a suitable material
such as vinyl tap to avoid the entry of air.

- Remove the high-pressure pipe.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to new O-rings.
- After charging refrigerant, check for leaks. Refer to HA-21, "Leak
Test".
Exploded view
With air conditioning
Compressor
Front
Without air conditioning
A/c idler pulley
A/c idler pulley bracket
Compressor
Compressor : removal and installation
REM ...
Exploded view
Core support upper cover
High-pressure pipe
High-pressure flexible hose
Refrigerant pressure sensor
Condenser and liquid tank assembly
Core support upper
Front
Conde ...
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DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2014, P2016, P2017 or P2018 is displayed with DTC P0643, first
perform the trouble diagnosis
for DTC P0643. Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P ...
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If you have a flat tire, follow the instructions below:
Stopping the vehicle
Safely move the vehicle off the road and
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Turn on the hazard warning flashers.
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DTC Logic
DTC DETECTION LOGIC
Dtc
Display item
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Possible cause
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