water temperature controll valve

[captiannapalm]

good to know

[captiannapalm]

So after the post office lost my first one the second one just arrived. There are some differences. In particular there is a piece that looks like it was there for shipping purposes back in the day. Looks like a little clip. Thought?

[JimNoel]

I could be the clip that holds the capillary tube coil to the heater core? This clip is discussed and location shown in the 1963 Oldsmobile Service Manual. I do know this capillary tube is filled with a liquid but it is not mercury, most likely alcohol/water.The fluid will expand inside the capillary tube with heat from the heater core and help maintain the inside temperature of the car to remain somewhat constant. In my heater core pic, I do not have the capillary tube coil located in the exact location as shown in the manual, but this is not so critical. Pics attached

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[captiannapalm]

Thats not it. This is a clip that is in the diaphram area. I will supply a pic later. I just want to make sure that ir does not hinder the operation. Thank goodness for NOS..

[kid442]

Fusick rebuilds them and he said they were filled with mercury. You may be correct.
Be careful with used ones.

[Author]

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