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Heat 200 1981

I have an 81 245 wagon. The thermostat is broken and it constantly pushes out hot air. It was alright in winter, but on these sunny days, its enough to kill you. I've been told that fixing the thermostat is complicated/expensive, so I'm looking for a way to just make it stop moving so much air. Can I just disable the fans or something? I don't care if I have no heat control, my only setting currently is "scorching".








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    Heat 200 1981

    Just fixed mine. Nothing is impossible.
    It's not that complicated, and it's free if you do it yourself.

    Under the driver side of the centre console, by the floor, is the little device that the hot/cold lever cable controls. It has a delicate metal coil that detects temperature (leave it be). You need to oil the gears/cams on the device and oil the cable in the jacket so that it moves the cams sufficiently to let the system know you want it to not get hot. Worked for me.

    I did it while replacing my blower motor. See Art Benstein's page on taking apart the dash - big help. You just need to get to the thingy by the accelerator pedal.


    --
    Stef -- 1981 245 B21A SU M46 323000km my volvo pages








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      Heat 200 1981

      As a temporary cure, buy a small cheap vise grip and pinch the hot water rubber hose coming from the engine compartment to the heater to block the flow of hot coolant. It might be advisable not to put back in place the plastic panel on the driver side so that if a quick change in temperature occurs ( eg. driving in a rain storm which would cool the windshield and make it fog up) you can reinstate the flow for defogging purposes . Also make sure that the vise grip does not cut the hose and does NOT interfere with the operation of the gas pedal








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        Heat 200 1981

        If you use the vice-grips, might as well use two, clamp off both hoses, and replace the valve! FCPGroton has one that doesn't (I think) include the thermostat part, so you directly control the amount of hot water flowing through. Ask before you buy. Don't know for sure, but I think the OEM-style replacement is pretty spendy. Mine is pretty much the same, but at least I have the choice between on or off!

        --
        '81 GLT 245 @ 259K; '83 DL 175K







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