Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2025 GMC Terrain FWDFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.01 OZS. | 0.14 L | PAG 46 | S | |||
| Air Cond Refrigerant | R-1234yf,w/KRV | 0.99 LBS. | 0.44 KG | R-1234yf | S | ||
| Air Cond Refrigerant | R-134a,w/o KRV | 1.20 LBS. | 0.54 KG | R-134a | S | ||
| Automatic Transmission Fluid | Trans Mfr CD VT40/MRQ | Complete Trans System | 9.10 QTS. | 8.61 L | Automatic Transmission Fluid HP CVTF | Including Cooler Volume. | S |
| Automatic Transmission Fluid | Trans Mfr CD VT40/MRQ | Fluid Change - Drain Plug | 7.40 QTS. | 7 L | Automatic Transmission Fluid HP CVTF | S | |
| Automatic Transmission Fluid | Trans Mfr CD VT40/MRQ | Overhaul,Transmission Volume Only | 8.80 QTS. | 8.32 L | Automatic Transmission Fluid HP CVTF | S | |
| Brake Fluid | N/A | N/A | DOT 4 Hydraulic Brake Fluid | S | |||
| Differential Gear Oil | Rear Axle,Differential Clutch Oil Fill | 0.42 QTS. | 0.39 L | Pentosin CHF-11S | Correct fill level is to the bottom of the fill plug hole. | S | |
| Differential Gear Oil | Rear Axle,Differential Lubricant Fill | 0.79 QTS. | 0.74 L | DEXRON LS Hypoid Fluid | Correct fill level is 0 to 10mm (0.39in) below the fill plug hole. | S | |
| Engine Coolant | 6.45 QTS. | 6.1 L | 50/50 mixture of DEX-COOL and clean, drinkable water | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | ||
| Engine Oil | FWD | w/Filter | 4.20 QTS. | 3.97 L | API - SAE 0W-20 | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. | S |
| Transfer Case Fluid | Power Transfer Unit | 0.53 QTS. | 0.5 L | Transfer Case Fluid | GM Part No. 88900401. | S | |
| Windshield Washer Fluid | N/A | N/A | Windshield Washer Fluid | Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements. | S | ||
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.