E36 323 Thermostat/temp gauge malfuntion?
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  1. #1
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    Thermostat/temp gauge malfuntion?

    Ok, well it took me several hours as i'm merely an amateur DIY mechanic but i finally managed to change the viscous fan coupling, thermostat and stat housing.

    The thing is that now, after being driven for only a few seconds (about 1000yds alls in all) the temp gauge is showing full temperature (needle in the middle of the guage).

    There's no way it was up to temperature, and the viscous fan is just running at full engine speed, regardless of temperature.
    I mean it's better because hey, at least the fan's actually cooling the engine but could the thermostat be stuck open or would it be a problem with the second hand viscous coupling i've installed?
    A few pics as the therm housing was very different to the one i took off.
    -imageuploadedbytapatalk1348343403-040838-jpg

    -imageuploadedbytapatalk1348343482-686642-jpg

    Thermostat is new. Came with the housing :/

    Any ideas/suggestions appreciated.

    Thanks

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  2. #2
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    Is the bottom stat housing the one you fitted? If it is its totally the wrong one and will not open because its an ecu controlled stat from a later e46 engine.

  3. #3
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    I thought it was wrong, but hoped it'd work as a bodge. :(

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    It won't work as the ecu on the later cars control the stat. It won't open on yours at all. Need to sort that out 1st or you will have no coolant circulating. Time to go back to the supplier for the correct one.

  5. #5
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    Are the 6 cyl e46 engines M52s?

    The ebay ad said m52 therm housing but didn't specify e36/46 and in a moment of complete stupidity, neither did i.

    I ask because i'm trying to figure out if i can get my money back, esp considering i already fitted it *facepalm*

  6. #6
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    Also, is it possible that the therm is stuck open? One pipe is warm, the other is cold when running...

    Need therm housing asap

  7. #7
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    No both would be warm when it eventually opened. (which this one will not)
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  8. #8
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    Damn. I've ordered the CORRECT therm housing now and am trying to get it delivered faster than 4 days.

    Managed to source a radiator though.
    It's possible it's the 440mm one as opposed to the 550mm one that it's supposed to replace. If it is the smaller one, will there be Anything stopping the smaller one doing the same job?

  9. #9
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    Lol have you got something against ordereing the right stuff. Works out easier and cheaper mostly it may well fit but oyu could end up scrabbling about for parts to fit it or it might go on ok.
    No warranty of any kind implied or given and no liability for any loss, damage or injury, no matter how incurred accepted.

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  10. #10
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    I challenge you to find a 550mm radiator this side of denmark lol!
    Go ahead, try it! I've been looking for over a week now and cannot find one anywhere. I've tried 7 scrappies, 4 ebay sellers, 4 parts suppliers where on their website they have "any part for any car!" (bullshit)

    I've given up, i just want my car back on the road!

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