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Hey viewers, E36 Fanatic, Steven here
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Today I'm still working on replacing my cooling system. Today I'm going to replace my thermostat
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I'm not going to replace the thermostat housing unit. I'm on a time crunch here, but I'm going to replace the thermostat
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You have to remove the thermostat housing unit anyways. Just a note, once you get to this point where you've pulled the radiator off and everything
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this thermostat housing unit, if you've got a plastic one and you've got the time and you've
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already planned this out, go ahead and replace it. It's pretty cheap and I don't trust these
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plastic units. I mean they last a while but the aluminum is much better. It lasts longer and it's
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less likely to crack. So anyways after that, so once you're at this point where you're at the
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thermostat, you've already pulled the fan clutch and everything and the radiator, you can now take
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a look at the thermostat. And there's two bolts on the top holding it in, a 10 millimeter and a 13
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millimeter. And then there's two bolts also holding it underneath. I believe you also have to, you
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don't have to remove this bolt, but you need to loosen it up to loosen this bracket because it
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goes over it keeps the thermostat from pulling it out So I going to go ahead and remove these two top bolts here Okay so like I said this 13 millimeter bolt right here and you had
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this 13 then you have three 10s. One on the top and then two on the bottom that
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are pretty easy to get to. Once you've got that you might have to give it some
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force to get it off. There we go. Got a little coolant leaking out of it. And this is the bracket
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I was talking about that you got to loosen up up here. Once you got this bracket right here
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loosened up, you can wiggle the thermostat out. Then it comes right out. As you can see
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It's in fairly decent condition. I'm gonna keep it just the place that I was
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looking at to get it from couldn't get it for about seven business days and I don't have the time to get a new one so we'll just have to stick to the
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thermostat replacing. But if you were gonna replace that you just put the new
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one in instead of this old one back in. So here's the old thermostat and once
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at this part. You might have to use a screwdriver to go ahead and pull it out
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because sometimes it's really stuck in there. I'll just just fiddle with it a bit
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and it pop out So it took me a minute to kind of get this thermostat but because it pretty it pretty good stuck on there But what I ended up doing is I brought the screwdriver under it like this and just put
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some force on it and it popped out. You can see the old thermostat. It doesn't look too bad actually
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but I'm gonna go ahead and replace it I bought this car about two years ago so I
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had no idea when or who replaced these parts so now I know that it's the parts
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are gonna be brand new so next up is I'm gonna go ahead and put in next up I'm
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gonna go ahead and put in the new thermostat once I'm done cleaning the
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outer area right here and just wiping down the inside in here make sure I have
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a clean surface to to start on and clean this thermostat thermostat housing
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around here then I'll be ready to pop it back in so once you got your new
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thermostat and the course you got a gasket that goes around it you go ahead
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and position it and generally there's a little tab that it's supposed to go up so here's the tab
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and it just goes up from there it's supposed to be facing up so I got a place like that and I've
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cleaned it as best as I can really the thermostat housing mating surface So I going to go ahead and grab my thermostat housing unit and I actually going to put
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a little bit of gasket maker around this gasket. And then I'm going to just put it right back on and put the bolts back in
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And that will be it for that. So you don't want to torque these bolts too much because they are going into plastic of course
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So I mean it's hard plastic but it will still break it
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So I just like to get it torqued a couple of foot-pounds really
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And then, that's about good. That's about done
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So at this point you've got a new thermostat. You got the thermostat housing back on
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Everything's tight. And I've also replaced the water pump if you want to see how to do that
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It's in another video that I'll be posting. If you want to see how to reinstall the rest of these parts, I'll attach another video to see that
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Hope y'all enjoyed this video. If you did, please like, comment, and subscribe
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And thank you all very much. Y'all have a good one
