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.
2020 Chevrolet Impala LTFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.10 OZS. | 0.15 L | PAG 46 | S | |||
| Air Cond Refrigerant | w/R-1234yf | 1.23 LBS. | 0.55 KG | R-1234yf | S | ||
| Air Cond Refrigerant | w/R-134a | 1.50 LBS. | 0.68 KG | R-134a | S | ||
| Automatic Transmission Fluid | Fluid Change - Drain Plug | N/A | N/A | Automatic Transmission Fluid DEXRON VI | Fluid Capacity is between: 4.2 to 6.3 qts. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Automatic Transmission Fluid | Overhaul | N/A | N/A | Automatic Transmission Fluid DEXRON VI | Fluid Capacity is between: 7.4 - 9.5 qts. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Automatic Transmission Fluid | Valve Body Cover Removal | N/A | N/A | Automatic Transmission Fluid DEXRON VI | Fluid Capacity is between: 5.3 to 7.4 qts. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Brake Fluid | N/A | N/A | DOT 3 Hydraulic Brake Fluid | S | |||
| Engine Coolant | 9.90 QTS. | 9.36 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 | w/Filter | 6.00 QTS. | 5.67 L | API - SAE 5W-30 | ACDelco dexos1 full synthetic engine oil. | S | |
| Fuel Tank | 18.50 GALS. | 70.03 L | 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.
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