Chevrolet Impala Coolant Type
Find the correct coolant type, color, and capacity for your Chevrolet Impala. Covers all years with flush intervals and mixing compatibility.
Chevrolet Impala Coolant Type
The Chevrolet Impala uses manufacturer-specific coolant — typically long-life OAT or HOAT formula. Never mix different coolant types. Check the year breakdown below for your specific coolant color and capacity.
Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything.
Exact Vehicle Check
Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary.
2003-2008
Representative 2003 manual branch for 2003-2008
A L L Diagnostic Trouble Codes ( DTC )
Impala V6-3.4L VIN E
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Chevrolet Impala V6-3.4L VIN E Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >> Chevrolet >> 20...
Open factory section →A L L Diagnostic Trouble Codes ( DTC )
Impala V6-3.8L VIN K
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Chevrolet Impala V6-3.8L VIN K Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >> Chevrolet >> 20...
Open factory section →2015-2020
2015-2020- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Modern OAT/HOAT coolants last much longer than traditional green coolant
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
2009-2014
2009-2014- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
2003-2008
2003-2008- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1997-2002
1997-2002- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1991-1996
1991-1996- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1985-1990
1985-1990- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1979-1984
1979-1984- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1973-1978
1973-1978- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1967-1972
1967-1972- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1961-1966
1961-1966- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
1958-1960
1958-1960- →NEVER mix different coolant types or colors — flush completely when changing brands
- →Always use distilled water, not tap water, when mixing coolant concentrate
- →Check coolant level when engine is COLD — opening the radiator cap when hot causes severe burns
Frequently Asked Questions
- What type of coolant does a Chevrolet Impala use?
- The Chevrolet Impala coolant type depends on the model year. Newer models use long-life OAT or HOAT coolant (often pink, blue, or orange). Older models use traditional green IAT coolant. Never mix types — check the specs below for your year.
- How much coolant does a Chevrolet Impala hold?
- The Chevrolet Impala cooling system typically holds 6-10 quarts total. A drain-and-fill replaces about 50-60% of the coolant. For a full system flush, you'll need the complete capacity amount plus extra for bleeding.
- Can I mix coolant colors in my Chevrolet Impala?
- No — mixing different coolant types can cause gel formation, clogged passages, and overheating. If you don't know what's in the system, do a complete flush before adding new coolant. Use only the manufacturer-specified type.
- How often should I change coolant in my Chevrolet Impala?
- Modern Chevrolet Impala models with long-life coolant can go 100,000 miles or 10 years before the first change, then every 50,000 miles. Older models with green coolant need changes every 30,000 miles or 2 years.