2020 Toyota Tacoma: A/C Refrigerant and Oil Specifications
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This reference guide provides the A/C refrigerant and oil specifications for the 2020 Toyota Tacoma, along with common A/C problems and service information.
Quick answer
- Refrigerant Type: R-1234yf
- Full System Charge: 16.2 oz (460g)
- PAG Oil Type: PAG 46
- PAG Oil Amount: 4.1 oz (120mL)
- Low-Side Service Port Location: Near the firewall, on the passenger side of the engine bay.
- High-Side Service Port Location: In front of the radiator, near the hood latch.
Why R-1234yf matters
The 2020 Toyota Tacoma uses R-1234yf refrigerant, which has a lower global warming potential (GWP) than its predecessor, R-134a. This change was mandated by the EPA to reduce the environmental impact of automotive air conditioning systems.
While R-1234yf is better for the environment, it is also more expensive than R-134a. Additionally, R-1234yf requires special service equipment, including a dedicated recovery machine and gauges. Do-it-yourself recharge kits are not available for R-1234yf systems.
Recharge procedure
A professional A/C service for a 2020 Toyota Tacoma should include the following steps:
- Evacuate the system: The system must be fully evacuated to remove any old refrigerant, air, and moisture.
- Vacuum test: A vacuum is pulled on the system to check for leaks.
- Charge the system: The correct amount of R-1234yf refrigerant is added to the system by weight, not by pressure.
- Add PAG oil: If any components were replaced, the correct amount of PAG 46 oil must be added.
- Performance test: The system is tested to ensure it is cooling properly.
Common A/C problems for this vehicle
Some common A/C problems for the 2020 Toyota Tacoma include:
- Compressor failure: The A/C compressor is a common failure point on all vehicles, and the Tacoma is no exception.
- Condenser damage: The condenser is located in front of the radiator and is susceptible to damage from road debris.
- Evaporator leak: The evaporator is located inside the dashboard and can be difficult and expensive to replace.
When to call a pro
While some basic A/C maintenance can be performed by a DIY-er, it is best to leave any major repairs to a professional. This is especially true for R-1234yf systems, which require special equipment and training.
Disclaimer: It is illegal to release refrigerants into the atmosphere. The EPA requires that all technicians who service automotive A/C systems be certified in refrigerant recovery and recycling.
Find a certified A/C shop on Repairius.
More specs for the 2020 Toyota Tacoma
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2020 Toyota Tacoma Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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