Skip the auto shop - Our mechanics make house calls

Q: What do I do if the coolant reservoir is completely empty?

asked by on

What do I do if the coolant reservoir is completely empty?

A: The coolant reservoir on your Accord is con...

The coolant reservoir on your Accord is connected to the radiator, and allows coolant to flow back and forth between the two as it heats and cools. If the coolant reservoir is completely empty, you can’t just refill it. You need to check the level of coolant in the radiator as well. Here’s how to do that:

  1. Wait until the radiator has cooled. Opening it hot can cause serious burns (very hot coolant can spray out).

  2. Turn the radiator cap counterclockwise, but don’t press down on it. This will release any built up pressure.

  3. Push down and turn counterclockwise on the cap.

  4. Remove the cap and check the level of coolant in the radiator. It should be no lower than the bottom of the radiator neck.

  5. If the coolant is low, top it off. Add fresh coolant slowly and clean up spills immediately.

  6. Replace the radiator cap.

  7. Top off the coolant reservoir.

Tip

If both the radiator and reservoir are low on coolant, it could signal a leak somewhere in the system.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Coolant leak??

My suggestion is to have the coolant refilled and the system pressure tested to see whether you have a leak, or the engine overheated due to a fan not turning on, or you have a blown head gasket. A...

Q: How does Safety Connect work?

Safety Connect is a service using Global Positioning System or GPS data to provide various safety features. This is a subscription-based program. The system consists of three components, which includes the microphone, LED light indicators and an SOS button. The...

Q: How do I manually dim the rearview mirror in a 2012 Honda CR-V?

The rearview mirror can be dimmed for increased visibility at night. When it is dark outside, the brightness of headlights in the rearview mirror can make it hard for you to see, so you should always dim your rearview mirror...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...