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Help: 1988 240 GL Losing Coolant. 200 1988

posted by  BigGeek on  Sun Jan 29 06:29 CST 2006
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A brief rundown: I know that my thermostat needs replacing, but it hasn't been an issue yet. It was going to be replaced next week, since my mechanic said it wasn't urgent. Though the other day, I notice that the car is running hot. Almost in the red. And the heater vents are blowing cold. So I figure that I've got no coolant running through the engine. Which I don't. Actually, it's all over the engine well and the pavement. Not good.

Now all my hoses and clamps are OK. But at the top passenger side corner of the radiator there is an open hole. And it looks like my coolant is spewing out of that.

I've looked for pics and diagrams online and asked other Volvo owners with zero luck. I have no idea what that hole's purpose is. Is it a release valve? Should it be plugged? Or has my thermostat finally frozen and caused a greater problem?

Thanks in advance.








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    Help: 1988 240 GL Losing Coolant. 200 1988

    posted by  Lummer57 on  Sun Jan 29 10:14 CST 2006
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    last visit: Thu Oct 28 03:22 CST 2010
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    This happened to me just a week ago. Don't know why or how these plugs come out but they do. Rather then just get another push on plug I instead got an expanding plug from Pep Boys for a couple of bucks. You tighten it and it expands in the hole. Much tighter & better seal then push on plugs.
    --
    ' 86 manual sedan nearly 200,000 and ' 87 auto sedan about 120,000








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    Help: 1988 240 GL Losing Coolant. 200 1988

    posted by  daveshan on  Sun Jan 29 07:56 CST 2006
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    last visit: Sun Oct 19 07:03 CST 2014
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    That hole is for a sensor for an electric fan, most (All?) 700s have an electric fan in front of the radiatormost, most (All?) 200s have it plugged with a grommet that is expanded by a plastic plug.

    Sounds like yours has blown out. Nissen/CSF and other aftermarket radiators have a screw on fitting there, just one of the reasons to upgrade when the stock radiator fails.
    --
    Dave Shannon
    Spring Valley, California
    '63 P-210
    '67 1800s
    '73 1800ES
    '88-240
    my pages







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