Nissan Armada 2025-2026 Service and Repair Manual: Lubricant
MAINTENANCE OF LUBRICANT LEVEL
The compressor lubricant is circulating in the system together with the refrigerant. It is necessary to fill A/C compressor with lubricant when replacing A/C system parts or when a large amount of refrigerant leakage is detected. It is important to always maintain lubricant level within the specified level. Or otherwise, the following conditions may occur.
Insufficient lubricant amount: Stuck A/C compressor
Excessive lubricant amount: Insufficient cooling (caused by insufficient heat exchange)
| Name | : Refer to Lubricant. |
- Inspection
- Perform Lubricant Return Operation
- Lubricant Adjusting Procedure for Components Replacement Except A/C compressor
- Lubricant Adjusting Procedure for A/C compressor Replacement
Charge Refrigerant
WARNING:
Always use HFO-1234yf for A/C refrigerant. If CFC-12 or HFC-134a is accidentally charged, A/C compressor is damaged due to insufficient lubrication.
Always observe and follow precautions desc ...
Inspection
If a A/C compressor is malfunctioning (internal noise, insufficient cooling), check the compressor oil.
COMPRESSOR OIL JUDGMENT
Remove the A/C compressor. Refer to Removal and Installation.
Sample a c ...
Other materials:
Diagnosis Procedure
COMBINATION SWITCH INSPECTION
Check combination switch. Refer to Symptom Table.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning part.
CHECK LOW BEAM REQUEST SIGNAL
With CONSULT
Select “Low beam request” in “Data Monitor” mode of “ ...
Removal and Installation
REMOVAL
Remove front evaporator. Refer to Removal and Installation.
Disconnect sub harness connector from intake sensor harness connector.
Remove intake sensor harness connector from front case upper.
Remove intake sensor from front evaporator.
CAUTION:
Mark the mounting position of intake se ...
Removal and Installation
WARNING:
REMOVAL
Turn the ignition switch ON.
CAUTION:
Never start the engine.
Release the parking brake.
CAUTION:
If the brake cannot be released, release it manually. Refer to Diagnosis Procedure.
Turn the ignition switch OFF.
Disconnect 12V battery negative terminal. Refer to Removal and Instal ...
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