running hot - CHECK THIS FIRST

[Neil Vonhof]

Could you tell us more about this resistor pack? Where is it? How to
repair/replace it? etc.
Thanks,
Neil Vonhof
Seattle

GSTREIN at aol.com wrote:

> Another thing to check first is to turn the ignition on (engine does not need
> to be running just with the ignition key fully turned on) - then turn the A/C
> on automatic and see if the electric radiator fan is running on low
> speed...if it is not then you may have a problem with the series resistor
> pack which controls the fan at 3 different levels (speeds) at the various
> temps the sensors tell it to...if one of the low fan speed resistors is burnt
> out then the fan will not run when it should and will only kick on at higher
> temps....the test I mentioned above usually will indicate that the "normal"
> fan speed is OK and then it is more likely a temp sensor issue but still
> could be the resistor pack at one of the other speed settings...THIS TEST
> SHOULD BE DONE WITH THE ENGINE COLD (below normal operating temp) so that
> other circuits don't fool you such as the after shutdown fan relay control
> that runs the fan for a time if the engine is hot to let the components cool
> down...ANOTHER TELL TALE SIGN OF THE RESISTOR PACK NOT WORKING PROPERLY IS IF
> YOUR A/C IS NOT COOLING PROPERLY WHEN FULLY CHARGED...OR IF THE A/C CUTS OUT
> FOR NO GOOD REASON IN TRAFFIC...THIS RESISTOR PACK KEEPS THE FAN RUNNING WHEN
> A/C IS ENGAGED TO KEEP THE PRESSURES WITHIN SPECS...
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