Skip the auto shop - Our mechanics make house calls

Q: Cracked radiator?

asked by on

There are green stains on the radiator, and my mechanic is telling me that I have a cracked radiator. After driving 44 miles when outside temperature is greater than 90 degrees farenheight I do not see any fresh fluid of any kind on the radiator - the dry green stains on the radiator are still dry green stains. The car is running fine, not over heating, or showing any other signs of fluid leaks. Do I really have a cracked radiator? Could the green stains be from coolant overflow while trying to add some earlier on? What other symptoms should I be looking for to confirm a cracked radiator?

A: If you have added fluid to the radiator mor...

If you have added fluid to the radiator more than once in a year and only have to add more than a few ounces then you may have a leak in the radiator. The stains are the green dye they put in the mix so the fluid is visible when it leaks. You can have a mechanic pressure test the radiator and cooling system to see where the leak is coming from. I would suspect the plastic tank is cracked or the seal where the tank mounts to the metal part of the radiator. Either way the radiator would probably need to be replaced. A certified mobile mechanic can inspect the source of the leak at your home or office.

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・Save up to 30%

Get a quote

What others are asking

Q: ABS comes on under 3 mph and when starting out

Hi there. When this occurs I usually install my scan tool to check the inputs from this system. From what you are explaining it sounds like you have replaced many of the sensors. You need to also make sure that...

Q: Solenoid possibly bad as gear shift is stuck in park.

It sounds to me like you have the right idea. The shifter solenoid is the most common cause of this issue. I would first recommend having your car inspected by a technician in order to diagnose this issue correctly. The...

Q: I'm not sure if I need a new timing belt & if I do, is it worth to get fixed?

Your engine actually has a timing chain (and associated parts) to keep the crankshaft and camshafts in a properly timed relationship. Your mechanic is correct that performing a timing chain service, which includes the chain, guides, tensioner and pulleys, then...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.