Acura Check Engine Coolant Level & Add Antifreeze
Is your vehicle overheating, or the temperature gauge is going up? You might want to check the engine coolant before going to a mechanic shop, which will cost you more.
Symptoms
- Engine Overheating,
- The temperature gauge shows HIGH,
- Check Coolant or Low Engine Coolant Message
- Coolant smell present
What you will need
- Acura Engine Coolant
- Typically mixed with 50% coolant and 50% distilled water.
Procedure
- Allow the engine to cool down. If you open the coolant reservoir cap while the engine is still hot, you risk getting burned by the engine coolant.
- Open the Hood. Locate the hood release underneath your Acura dashboard. Pull the lever until you hear the hood pop open.

- Next, you need to release the hood safety latch at the front of your car.

- Lift the hood and secure it in the open position. Watch the following video if you still need help with this step.
- Locate Coolant Reservoir

- This is where you add an engine coolant reservoir on a 2016 Acura TSX.

- Add coolant/antifreeze to the overflow reservoir (white coolant tank). Remove the radiator cap and top up the radiator only when the engine has cooled down. If you need help with this step, watch the following video.
If the coolant you purchase says FULL CONCENTRATE on the bottle, mix it 50/50 with distilled water.
For more help, check these troubleshooting and repair guides for your Acura vehicle.
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Frequently Asked Questions
What type of coolant do Acura cars use?
The coolant generally used in Acura vehicles is, in most cases, a Honda Type 2 engine coolant. It is backward compatible. The Acura coolant color is typically blue, not green. Honda Antifreeze Coolant Type 2
Recommended coolant for most Honda and Acura vehicles.
50/50 Coolant Antifreeze
A list of alternative coolant types that you can use on your Acura. It is important to check the compatibility of the coolant with your Acura by reading the label on the back of the coolant bottle. Certain coolants may not be compatible with Honda/Acura and can cause premature wear of the seals in the water system.
Why is my engine coolant light on, and my coolant is full?
Your vehicle might have a malfunctioning coolant sensor.
Can I add coolant without water?
Check your owner’s manual or call your dealer to verify. Use Honda genuine coolant whenever possible.
If the coolant you purchase says FULL CONCENTRATE on the bottle, mix it 50/50 with distilled water.





