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Old 05-05-2002, 06:13 PM
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DieselHead DieselHead is offline
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Join Date: May 2001
Location: Manhattan; Shelter Island
Posts: 1,372
The monovalve is just a heater valve that controls the flow of coolant to the climate control systems. I would probably fix it soon because it isn't too expensive (around $30), it's really easy to do, and I think that proper coolant flow is important to keeping the temp. of the engine constant. Oh, and it will really suck to have uncontrollable heat (or lack thereof).

1983 300D (parked for four years)
2012 VW Sportwagen TDI Manual
2001 Miata SE
1962 Chevrolet Corvair Rampside
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