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thermostat is a wear item Posted by Snowmobile [Email] (#686) [Profile/Gallery] (more from Snowmobile) on Wed, 21 Nov 2018 18:05:32 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I was reminded of this the other day. Cold temperatures outside, and I noticed the tstat was sticking open - engine temperature was only getting up 1/3rd the way, and going even lower when under less load (eg going downhill)... no codes thrown, but was clearly going to eventually. So I replaced it, but the stupid thing is I did the radiator on this car and some new hoses etc in the summer, but thought at the time, well, I replaced the tstat and temp sensor a couple years back so it's probably not worth doing... apparently I was wrong! Would have saved me a bunch of work in the freezing cold plus the cost of a jug of coolant, so lesson learned! For $15, put a new one in if it's more than 2 years old when doing any cooling system work.
Also, a few tips to add in for future readers doing this... the 2 10mm bolts (ground and the hanger) I was able to access easily with a stubby 10mm gear wrench (squeezing my arm in there). The 2 13mm ones I accessed with a 13mm socket on a shortish ratchet, again working it in a void under stuff in the car. For the upper 13 mm, iirc I needed about 1.5-2" of extension. In the past I did this with longer extensions, flexes, turning corners etc... I couldn't remember exactly, but this worked fine. I did not remove anything, not even the coolant hose, but I did drain the system. Biggest issues were the tstat and housing were both stuck and took some work to break free. I used the motorad part and it seemed less "beefy" than the (presumably) saab one I pulled out. Works fine though.
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