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Honda (Passport) & Isuzu (Amigo, Rodeo & Vehi-CROSS)

  1. If A/C system cannot be operated, go to step 4)  . If possible, operate A/C system before checking refrigerant oil level. Open engine hood and all doors. Turn A/C on and set blower motor to high speed. Start engine and operate it at 800-1000 RPM for at least 20 minutes. Turn engine off and go to next step.
  2. Discharge A/C system, using approved refrigerant recovery/recycling equipment. Remove compressor from vehicle. Drain and measure refrigerant oil from old compressor through suction and discharge ports. Inspect refrigerant oil for contamination. If oil volume has increased, oil color has changed, or debris is present, receiver-drier must be replaced.
  3. If less than 3.0 ounces of refrigerant oil is drained from old compressor, inspect A/C system for oil leaks. Repair or replace components as necessary. Add 3.0 ounces of refrigerant oil to replacement compressor. If more than 3.0 ounces of refrigerant oil is drained from old compressor, add refrigerant oil to replacement compressor equal to amount drained from old compressor.
  4. If A/C system cannot be operated, discharge A/C system, using approved refrigerant recovery/recycling equipment. Remove compressor. Drain and measure refrigerant oil from old compressor through suction and discharge ports. Inspect refrigerant oil for contamination. If oil volume has increased, oil color has changed, or debris is present, receiver-drier must be replaced.
  5. If more than 3.0 ounces is drained from old compressor, add refrigerant oil to replacement compressor equal to amount drained from old compressor. Install compressor and go to step 8)  .
  6. If less than 3.0 ounces of refrigerant oil is drained from old compressor, add 3.0 ounces of refrigerant oil to replacement compressor and install on vehicle. Evacuate and charge A/C system. Open engine hood and all doors. Turn A/C on and set blower motor to high speed. Start engine and operate at 800-1000 RPM for at least 20 minutes to stabilize system. Turn engine off and go to next step.
  7. Remove replacement compressor from vehicle. Drain and measure refrigerant oil. If more than 3.0 ounces is drained from compressor, add refrigerant oil to compressor equal to amount drained. If less than 3.0 ounces of refrigerant oil is drained from replacement compressor, add 3.0 ounces of refrigerant oil to compressor. Go to next step.
  8. If replacing other A/C system components, add specified amount of refrigerant oil to component. See COMPONENT REFRIGERANT OIL CAPACITIES (HONDA & ISUZU - ZEXEL ROTARY VANE)  table. Evacuate, charge, and leak test A/C system. Ensure A/C system is operating properly.
COMPONENT REFRIGERANT OIL CAPACITIES (HONDA & ISUZU - ZEXEL ROTARY VANE)

Component Ounces
Condenser 2.5
Evaporator 2.5
Liquid Tank (Receiver-Drier) 0.2
Refrigerant Lines 0.3
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