Cooling Insufficient - Air Conditioning (A/C) Inoperative. Isuzu Isuzu MD F-Series 2007

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For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2007 🢒 Isuzu MD F-Series 🢒 HVAC 🢒 HVAC - Manual 🢒 Cooling Insufficient - Air Conditioning (A/C) Inoperative

Table 1:	High Pressure Is Abnormally High
Table 2:	Component Checks

High Pressure Is Abnormally High

Problem	Action
The system contains excessive refrigerant charge.	Discharge the refrigerant. Recover the refrigerant. Recharge the refrigerant. Refer to Refrigerant Recovery and Recharging .
The system contains air. After stopping the A/C, pressure drops approximately 196 kPa (28 psi) quickly.	Evacuate the refrigerant system. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .

Component Checks

Problem	Action
The magnetic clutch is malfunctioning.	Refer to Air Conditioning Compressor Replacement .
The compressor belt is loose or broken.	Adjust or replace the drive belt.
The magnetic clutch friction face is glazed.	Replace the compressor. Refer to Air Conditioning Compressor Replacement .
The clearance between the magnetic drive plate and the pulley is incorrect.	Replace the compressor. Refer to Air Conditioning Compressor Replacement .
The compressor is seized.	Replace the A/C compressor. Refer to Air Conditioning Compressor Replacement .
The refrigerant is insufficiently charged or excessively charged.	Discharge the refrigerant. Refer to Refrigerant Recovery and Recharging . Recover the refrigerant. Refer to Refrigerant Recovery and Recharging . Recharge the refrigerant. Refer to Refrigerant Recovery and Recharging .
Leaks are present in the refrigerant system.	Inspect the refrigerant system for leaks.
The condenser is clogged. The radiation in the condenser is not sufficient.	Clean or replace the condenser, as necessary. Refer to Condenser Replacement .
The thermal expansion valve is operating incorrectly due to a foreign substance.	Replace the thermal expansion valve. Refer to Thermal Expansion Valve Replacement .