My engine doesn't go over 70, at least not until my recent radiator blowout. I read people saying that overheating issues usually aren't stat related but I'm thinking running too cold probably is.

I pop the hood, thinking I'll knock this out in 30 minutes. Oopsie, maybe not. I'm not even sure I've found the housing yet. One guy on some thread talked about a need to remove the intake duct for the turbo.

I'm not seeing a turbo air intake anywhere close to what surely must be the thermostat housing. In the pic, the arrow points to the closest candidate I can find and it doesn't even look that much like a thermostat housing. The entire intake manifold out would likely be fine and dandy but I'm not going to do that - not sure what the aforementioned guy was talking about.

I already bought a NAPA thermostat, they get good reviews in numerous places. About now I'm wishing I'd bought the online item with pdf how-to. Not your normal thermostat replacement.

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Te futueo et caballum tuum

1986 300SDL, 362K
1984 300D, 138K