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Jeff,
I still have the original hose on mine, but I have never been able to see through it in a useful manner. The only way to check the coolant level is to de-pressurize (easy to do) and remove the cap. If all is well, it should remain about 1/2 full if that is where you started.
Last week I was having some coolant temp discrepancies as in high water temp but low radiator exit temps. After letting it cool, I let out the pressure and found the header tank full! I pulled the fill plug from the high point above the thermostat housing and found where the fluid came from! Using a baster, I moved it from the tank to the housing where it was supposed to be.
I thought maybe I had a compression leak or something that would have forced air into the system and pushed out coolant, but can't find any leaks. It has not done it since then. The coolant temp sensor was just hanging in air while the rad temp sensors were still measuring water temp. I sure would like to know where that air came from!
Bill Eslick
13B RD-1A NA
On Tue, Dec 2, 2008 at 1:03 PM, Jeff Whaley <jwhaley@datacast.com> wrote:
Thanks Kelly, I copied (Bill Eslick's) installation (seen at
Round-up) and the see-through aspect of that hose was a major selling point; it's
easy to see whether there's air or fluid in the line, which is very helpful … ideally
there should be fluid in the line and about 1 cup in the expansion tank; I
suppose removing the cap would provide same information … but the tank has to
be de-pressurized, cap removed and re-pressurized before flight.
Bill any comments on durability of that hose?
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