Q: Found Casting sand in coolant overflow, sand left from engine block casting, what is best "repair"?

asked by on August 07, 2017

2014 vehicle - during the casting of the engine block, the casting sand apparently was not completely cleared, the sand has now worked it's way through my vehicle and was just recently found in the overflow of my coolant, heater in vehicle has quit working. will be taking vehicle in to dealer for "repair" for the issue, but want to be prepared as to what I should I ask them to "fix" or "replace". they seem to think it might just be an actuator valve, but I'm pretty sure it's not....there is a bunch of really fine sand in just the overflow tank, I would hate to think where else it is in my engine....How can this be remedied?

The only way to try and flush out all the sand is to drain the cooling system and flush out with fresh water until the system is cleaned out the best as possible. Even after this you will need to have a drain and fill the system every 6 months until the system stays clean.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

Cooling Fans

Most Vehicles now have 2 separate cooling fans. One cooling fan is intended to come on when the engine reaches a certain temperature. The other cooling fan is intended to come on when the air conditioning is turned on. When...

Do i need to replace the whole radiator cooling fan assembly?

You will have to replace the cooling fan assembly if the fan blade and motor is bad. You may be able to find the individual parts separately but the fan assembly would need to be removed to find all the...

My cooling fans aren't working properly I think ...P

The cooling fans work according to relays that detect temperature and cause them to turn off and on. When these relays are not working properly, this will cause them to come on all the time, not at all or intermittently....

Related articles

Symptoms of a Bad or Failing AC Condenser Fan
Common signs include lukewarm air coming from the AC vent, the car overheating while idle, and a burning smell in the car.
How to Flush Your Cooling System
Flushing Flushing the cooling system is part of every vehicle's scheduled maintenance. This procedure is usually required every two to four years, depending on the vehicle. It is important to perform this maintenance at its scheduled time because the...
Symptoms of a Bad or Failing Cooling Fan Resistor
Common signs include the engine overheating, cooling fan only working at certain speeds, and the fan never turning off.