2022 Ford Explorer — A/C Refrigerant & PAG Oil Specs

Quick answer

• Refrigerant: R‑1234yf (all 2022 Explorer trims use R‑1234yf; fittings are unique)
• Factory fill (most common): Front A/C only ~22–24 oz (≈625–680 g). With rear auxiliary A/C, the label typically lists ~28–34 oz (≈800–950 g). Always verify the exact charge on the under‑hood VECI label for your engine/option package.
• Compressor oil: PAG 46 (Motorcraft YN‑12‑D equivalent) for non‑hybrid models. Total oil typically ~5.1 oz (≈150 mL) on front‑only systems; rear‑A/C systems may be higher. Follow Ford’s add‑back chart when replacing components.
  • Important: Explorer Hybrid uses an electric compressor that requires ND‑11 (POE) oil only. Do not use PAG oil in hybrid/electric‑compressor systems.
• Service ports: Low‑side port on the larger suction line near the firewall/right side of the engine bay. High‑side port on the smaller liquid line near the condenser at the front passenger side radiator support. Rear‑A/C–equipped models route additional lines along the RH frame rail; primary service ports remain up front.

Why R‑1234yf matters

R‑1234yf is the OEM‑specified refrigerant for the 2022 Explorer. It’s an EPA‑approved, low‑GWP replacement for R‑134a and is mildly flammable (A2L), so service procedures and equipment differ:

• Cost: R‑1234yf is significantly more expensive than R‑134a. Charging errors are costly—always charge by weight.
• Equipment: Shops must use SAE J2843‑certified R‑1234yf recovery/recycle/recharge machines; fittings are different from R‑134a to prevent mix‑ups. Do not attempt to adapt hoses.
• Environmental/legal: Venting any automotive refrigerant is illegal. Recovery is required. Technicians purchasing/handling refrigerant need EPA Section 609 certification.

Recharge procedure (high‑level)

1. Identify and repair leaks first: Dye and an electronic leak detector are preferred. Recharging a leaking system will not last and can damage the compressor.
2. Recover any remaining refrigerant with an R‑1234yf machine. Never vent.
3. Component replacement and oil balancing: If you open the system, replace the receiver‑drier (integrated in the condenser on many Fords). Add the specified amount of oil per the Ford Workshop Manual component add‑back table. Non‑hybrid: PAG 46; Hybrid: ND‑11 (POE) only.
4. Evacuate: Connect manifold lines, pull a deep vacuum for 30–45 minutes. Close valves and verify vacuum holds (no rise for at least 5–10 minutes). If it rises, find and fix leaks.
5. Charge by weight: Charge the exact amount shown on the under‑hood VECI label using a calibrated scale or RRR machine. Do not “charge by pressure” or by can size. R‑1234yf systems are charge‑sensitive—over/undercharge hurts cooling and compressor life.
6. Verify operation: With cabin blower on medium/high and A/C on Max, confirm condenser fan operation, line temperatures, and outlet vent temps. Use a scan tool to check for HVAC or pressure transducer DTCs if performance is poor.

Common A/C problems for this vehicle

• Condenser damage/leaks: The front‑mounted condenser can be struck by road debris, leading to slow leaks. On models where the drier is integrated, replacement is the fix.
• Compressor control/scroll issues: Control valve faults or internal wear can cause warm air at idle or surging pressures. Correct charge and clean condenser airflow are critical.
• Pressure transducer faults: An erratic high‑side sensor can cause intermittent A/C cutout with no obvious leak.
• Evaporator core leaks/odors: Some owners report musty odors or gradual performance loss; confirm with dye or electronic detection at the condensate drain.
• Rear A/C line corrosion (if equipped): Salt‑belt vehicles may see corrosion at line retainers along the RH underbody leading to leaks.
• Blend door actuator failures: Clicking in the dash and temperature blend issues can mimic A/C faults.

OEM service info you should check

• Under‑hood VECI label: This is the authoritative source for your exact refrigerant weight and oil specification based on engine, trim, and whether rear A/C is fitted.
• Ford Workshop Manual/Motorcraft Service: Contains the refrigerant/oil add‑back table (after component replacement), vacuum/charge procedures, and hybrid‑specific cautions (ND‑11 oil, high‑voltage safety).
• Motorcraft chemicals: Non‑hybrid uses Motorcraft PAG YN‑12‑D (PAG 46 equivalent). Hybrid uses ND‑11 (POE). Never mix oils.

When to call a pro

• The system is empty or you suspect a large leak.
• You don’t have an R‑1234yf recovery machine, a micron‑capable vacuum pump, and an accurate refrigerant scale.
• You own a Hybrid Explorer (electric compressor and ND‑11 oil requirements).
• You have rear auxiliary A/C or you’ve replaced major components and need oil balancing.

Safety disclaimer: Servicing mobile A/C systems involves high pressure refrigerant and, in the case of R‑1234yf, a mildly flammable A2L gas. Refrigerant recovery is required by law. EPA Section 609 certification is required to service MVAC systems and to purchase certain refrigerants and equipment. If you are not properly equipped and certified, seek professional service.

Find a certified A/C shop on Repairius.