Vehicle Questions and Answers
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The 2004 Chevrolet Impala isn't finicky about the kind of engine coolant you use, as long as you fully flush the system before adding any. It's important to avoid mixing different types of antifreeze as they can react and cause damage to your engine. While some drivers suggest using Dex-Cool with the '04 Impala, others prefer a green coolant. Ultimately, as long as you stick to one type and avoid mixing, the choice of coolant doesn't make a big difference. If you're unsure about what's in your car, it's best to flush the system and refill it to be safe.
In the 2004 Chevrolet Impala, the recommended antifreeze is Dexcool.
I was making sure I had it down pat before jumping in and giving it a shot.