Skip the auto shop - Our mechanics make house calls

Q: Coolant leak in a 2004 Volkswagen Passat

asked by on

My coolant is leaking.

Can you see where the coolant is leaking? How often are you having to add antifreeze, always remember when you’re having to add coolant to a system, if you don’t add at least a mixture of coolant you will dilute your system to where not only does it not have any freeze protection, it will be much more susceptible to corrosion. Running straight water will quicly corrode your system. Can you see the water coming out? A mechanic will be able to fill the system to capacity and install a pressure tester which will replicate the pressure seen while the car is in use. This way he can locate and repair the leak. Once found the reason for the leak is diagnosed, then a thorough analysis of the rest of your cooling system is made.

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: Undercoating the car prior to inclement weather?

Hi there. The undercoating you're father is referring to was a very common factory or aftermarket addition in the Northern United States from the mid-1950's up until the late 1990's. It was essentially a polymer spray that protected exposed steel...

Q: How much should it cost for the dealer to clean the throttle body, and MAP sensor, and replace the PCV valve cover on my jetta?

Hi There, Unfortunately, there is not a uniform pricing system when it comes to what various dealers charge. Many things come into play (availability of parts, wholesale pricing, access to labor, overhead, etc.) for various repair shops when it comes...

Q: It cranks will not start

Hi there. If this started right after these parts were replaced then it may be a defective crank sensor, but I would definitely look at the work that was done to replace the heater core. It is possible that something...

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...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...