[DeTomaso] Heater valve

JDeRyke at aol.com JDeRyke at aol.com
Thu May 21 00:27:42 EDT 2009


In a message dated 5/20/09 6:15:24 PM, dfcex at pacbell.net writes:

> The Winged Warrior had a substantial amount of heat entering with the 
> heater turned off. Actually, on or off, it's the same amount of heat. Is this 
> typically due to a bad heater valve?
> 
No- a bad design. Many or most stock Pantera heater shutoff valves CANNOT 
turn off the hot water entirely, AND open the valve fully when you want heat. 
The cable linkage under the dash has levers that are the wrong length. You 
can adjust the cables for full open, or full closed, but not both. 
Plus, when the valve leaks hot water thru the heater, the A/C must then 
overcome the heat from that hot water before the occupants get any coldness. 
THere are various fixes but the quick, simple fix is two manual shut off 
valves in the lines. Cheers- J Deryke


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