2015 GMC Yukon: A/C Refrigerant & Oil
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick answer
- Refrigerant type: R-134a
- Full system charge: 24 oz (680g)
- PAG oil type: PAG 46
- PAG oil amount: 3.5 oz (104ml)
- Low-side service port location: Near the firewall on the passenger side
- High-side service port location: Near the radiator on the passenger side
Why R-1234yf matters
While the 2015 GMC Yukon uses R-134a, it's important to be aware of the newer R-1234yf refrigerant. This is because many vehicles manufactured after 2014 use R-1234yf, and the two are not interchangeable. R-1234yf is more expensive and requires a special recovery machine. It's also regulated by the EPA, so you'll need to be certified to handle it.
Recharge procedure
A full A/C recharge is not a simple DIY project. It requires evacuating the system with a vacuum pump and then adding the correct amount of refrigerant by weight. Do not use pressure to determine the correct charge, as this can lead to overcharging and damage to the system.
Common A/C problems for this vehicle
- Compressor failure: The A/C compressor is a common failure point on this generation of Yukon. Symptoms include a grinding noise, a burning smell, or a complete loss of cooling.
- Condenser issues: The condenser is located in front of the radiator and is susceptible to damage from road debris. A clogged or damaged condenser can lead to poor cooling performance.
- Evaporator leaks: The evaporator is located inside the dashboard and is a difficult and expensive repair. Symptoms of an evaporator leak include a musty smell from the vents and a loss of refrigerant over time.
When to call a pro
If you're not comfortable performing your own A/C repairs, it's best to leave it to a professional. A certified A/C technician will have the tools and expertise to diagnose and repair your system correctly.
Disclaimer: The information in this article is for general informational purposes only and is not a substitute for professional advice. Always consult a certified A/C technician for diagnosis and repair of your vehicle's A/C system. You must be EPA 609 certified to handle refrigerants.
Find a certified A/C shop on Repairius.
More specs for the 2015 GMC Yukon
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
2015 GMC Yukon 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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