Q: Not sure if hose or water pump is the issue. Bad leak spraying coolant on belts. Could it be a hose or water pump?

asked by on

Coolant leaking as car is running. Cannot see where it is coming from. But it is a lot of fluid.

My car has 170000 miles.
My car has an automatic transmission.

Water pumps have weep holes, through which coolant can leak if the pump is failing, but those weep holes are are relatively small. Consequently, the leak is more likely due to a fairly large hole, or tear, in a rubber hose. A large leak like you are describing will be very apparent on inspection. The mechanic will want to know, though, if the leak was preceded by any episodes of overheating as that would mean there could be an underlying issue. That is, inasmuch as overheating raises the pressure in the cooling system, if such occurred that could cause a blow out in weak components such as an old hose or a defective radiator pressure cap...just want to be sure it’s "just" a leak and not a leak accompanied by a defective thermostat, water pump, or plugged radiator, all of which could cause overheating. So, any recollection of the car’s operating temperature just prior to the leak will be helpful. If you desire that YourMechanic identify the cooling system leak and perform the required repairs, by all means please call in and schedule a mobile visit, right to your door.

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
  1. Home
  2. Questions
  3. Not sure if hose or water pump is the issue. Bad leak spraying coolant on belts. Could it be a hose or water pump?

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: What Specialty Tools Are Needed for Servicing Engine Hoses?

You need a minimal number of tools to service the hoses on your vehicle. The very first thing you need is a container to hold all of the coolant that you will drain from the cooling system of your car....

Q: I heard a loud pop when driving on the expressway then noticed my C/H gague was going all the way up to the H do you think you can

This sounds like you broke the serpentine belt for the water pump, or one of the hoses came off, causing a loss of coolant, and the engine to overheat. Have the overheating issue diagnosed, and have the serpentine belt replaced,...

Q: I have a 98’ Honda Prelude 5 speed manual trans. I am having issues shifting into 3rd gear when speeding up.

The adjustment of the clutch linkage cable should be checked and verified but the likelihood is the synchronizers are worn, or other internal transmission fault exists, if you are able to shift normally at low speeds but not at high...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...