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Re: Not enough Heat from '89 SPG
Posted by JohnK (more from JohnK) on Thu, 13 Feb 2003 10:18:20
In Reply to: Not enough Heat from '89 SPG, Wil W
[Profile/Gallery]
, Thu, 13 Feb 2003 09:53:48
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Could be several things.
-Heater valve control rod fell off so you're stuck in a moderate position(if dial is sloppy suspect this, put back on through speaker hole).
-Heater valve crudded up and restricting flow.
-Heater core crudded up(maybe some prestone flush will break up the crud but iffy). You can check flow when flushing cooling system, but not fun in Winter.
-Radiator clogged (suspect this if temp gauge goes up on highway).
-Water pump fins rotting(suspect this if water pump has been replaced with elcheapo pump with pressed steel fins versus OEM casting).
-Thermostat on the fritz...goes to high temp restricted flow position too soon.
-Air pocket in system...bleed at valve near thermostat, but you probably have done this already.
posted by 216.75.9...
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