Refrigerant Connection
WARNING: This page is about a different car, the 2017 Nissan Versa Note. However, it is still accessible from the selected car via links, so may be relevant.
A new type refrigerant connection has been introduced to all refrigerant lines except the following location.
- Expansion valve to evaporator
- Refrigerant pressure sensor to liquid tank
WARNING:
Check that all refrigerant is discharged into the recycling equipment and the pressure in the system is less than atmospheric pressure. Then gradually loosen the discharge side hose fitting and remove it.
CAUTION:
Observe the following when replacing or cleaning refrigerant cycle components.
- When the compressor is removed, store it in the same way as it is when mounted on the vehicle. Failure to do so will cause oil to enter the low - pressure chamber.
- Use always a torque wrench and a back - up wrench when connecting tubes.
- Plug immediately all openings to prevent entry of dust and moisture after disconnecting tubes.
- Connect the pipes at the final stage of the operation when installing an air conditioner in the vehicle. Do not remove the seal caps of pipes and other components until just before required for connection.
- Allow components stored in cool areas to warm to working area temperature before removing seal caps. This prevents condensation from forming inside A/C components.
- Remove thoroughly moisture from the refrigeration system before charging the refrigerant.
- Replace always used O - rings.
- Apply oil to the O - rings shown in illustrations when connecting tubes. Be careful not to apply oil to threaded portion.
Name : A/C System Oil Type: DH-PR - O - ring must be closely attached to the groove portion of tube.
- Be careful not to damage O - ring and tube when replacing the O - ring.
- Connect tube until a click can be heard. Then tighten the nut or bolt by hand. Check that the O - ring is installed to tube correctly.
- Perform leak test and make sure there are no leaks from connections after connecting lines. Disconnect that line and replace the O - ring when the refrigerant leak point is found. Then tighten connections of seal seat to the specified torque.