What should the heater core inlet hose be reading?
What should the heater core inlet hose be reading?
Since the coolant is running through the engine block before going into the heater core inlet hose, shouldn’t it be reading at least the temp of the hose leading from the radiator to the engine block?
What causes the engine temp to fluctuate?
It suggests that a plugged heater hose or heater core can cause engine temp to fluctuate. Until the problem is solved, information like this could be the key to the solution. I agree, it was the fluctuating temp that caught my eye.
Why does my engine temp gauge go up and down?
This caused the gauge to go up and down, even when driving. I replaced the plugs with a loop which allowed the water to return and it fixed the problem. It is relevant. It suggests that a plugged heater hose or heater core can cause engine temp to fluctuate.
Why is my heater not working in my car?
The heat is not working well in the car, especially when it is below freezing outside, and we think it may be because there is a clog/blockage of the heater core inlet hose coming from the block.
How can you tell if your heater core is clogged?
One of these hoses is an inlet to the heater core coming from the radiator; the other is an outlet coming from the heater core. If the inlet hose is hot/warm and the outlet hose is cold, you can pretty much determine your heater core is clogged.
Since the coolant is running through the engine block before going into the heater core inlet hose, shouldn’t it be reading at least the temp of the hose leading from the radiator to the engine block?
Why is only one hose goes to the heater core?
It also helps to turn the heater on high without the fan and also to raise the front end of the vehicle to help with moving the coolant through the engine. Repeatedly squeezing the rad hose also helps to push out air. Hope this helps Was this answer helpful?
What should I do if my water heater core bursts?
Depending on your water pressure, some hoses can run up to 100 lbs. per square inch of water pressure–which can easily burst a heater core seam. Add a little more pressure until it blows the gunk out of the heater core. This is messy, so don’t be wearing your Sunday best. Replace the hoses to the heater core and tighten the clamps.
