Hi. I have late model A4 with what I believe to be original thermostat. I usually remove it and clamp the bypass hose when winterizing in the fall. In the spring, I can never get it back together. The indent is in the top piece, not the block, so trying to line up the T-stat in the indent and put it over the studs is a huge pain. I have been "gluing" it in place using permatex. Is this correct? What am I doing wrong?
installing Thermostat
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also, I have tried searching the forum and found one other person asking the same question. It turned into a "remove the thermostat" conversation without actually telling us how to properly install the T-stat without leaks and using a lot of swears.
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Feel your pain
He he. I had exactly the same problem. Gave it 4 tries and after water all over the block and 3 gaskets later, I just decided to be part of the sans thermostat club. I could have been more patient and gone w your permatex path to glue it in top housing. That didnt work? Seems acceptable solution.Steve
Etobicoke YC, C&C27
A4 #204381, 1980
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The Permatex works if you let it gum up a bit before trying to install the housing with the T-stat "glued" in place. I was impatient the first 5 tries and it kept falling out and leaking. I was just wondering if my way is OK, or if I am totally missing an easier way to do it. this past fall, I just warmed up the engine on the hard for around 15 minutes using a bucket and hose, then clamped the bypass shut and started pouring antifreeze in the bucket. I plan on installing the bypass valve sometime soon to I can just close it instead of using a hose cinching clamp or vice grips when I winterize.
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bypass
Yep, i have the Moyer by-pass kit which does make life easier for winterizing. In my case, also gives a means to regulate temp. Still a mystery of design why the tstat indent isnt on block side instead of housing side. must be a reasonSteve
Etobicoke YC, C&C27
A4 #204381, 1980
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