How do I know if my heater hose is bad?

How do I know if my heater hose is bad?

Symptoms of a bad heater hose

  1. Smell of coolant when hood is open.
  2. Little or no heat coming out of heater.
  3. Low coolant level.
  4. Steam rising from under the hood.
  5. Temperature gauge runs hotter than normal.
  6. Coolant leaks from the heater hoses.
  7. Heater hoses that look cracked, nicked, bulging, collapsed, frayed, scraped, or swollen.

How can you tell if your thermostat is stuck closed?

If it is not flowing, wait until your engine warms up. The coolant should warm to the right temperature and begin to flow after 10 to 20 minutes. If it does not start to flow, but the temperature gauge on your dashboard rises, your thermostat is stuck closed.

What are common reasons my Subaru Outback overheats?

What are common reasons my Subaru Outback overheats? While there are a variety of reasons your Subaru Outback is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. See what others are asking about their Subaru Outback.

What’s the problem with my Sons Subaru Outback?

Well, I’m back…my sons Subaru Outback came back from the mechanic and was running without overheating for about a day before it started in again. They claimed it was the radiator cap. Then the next day it overheated again – they claimed it was a defective cap…now it’s back in there again, with the same overheating problem.

Why does my Subaru radiator keep overheating?

There may be a problem (warp, a crack which opens in the neck) where the radiator cap seal sits against the opening of the radiator. Also, when a radiator is pressure tested, it’s usually only luke warm, by then. IF there is any crack which opens, it could be opening only when the parts are hot.

Can a leaking water pump cause an engine to overheat?

Leaking water pumps can result in damage to the drive and timing belts, and cause the engine to overheat. A failed… Read More If the fan motor does not work, there will not be enough air movement through the radiator to dissipate the heat in the coolant.