> Guys;
> My temp guage NEVER, and I mean NEVER read above the lowest 'normal' range
> just above the 'C' since I had the truck (new in sept 1990). As far as the
> 'codes' go... I never looked until I joined this list and found out how to!
>
> When I had my tranny prob about 6 months ago, I brought it to the dealer
> and he put the DRBII on it and told me I was running too cold for too long.
> (ala code 17). Sure enough after joining the list to try to figure out my
> tranny prob, I found out the code check method and there it was... Code 17.
> I changed out my thermostat, (suggested temp -> 195) and the guage came up
> to center on the guage - a position at which I have never seen it before.
> I really didn't notice any remarkable difference in the running of my truck,
> but my gas mileage DID get better. Must have been bad from the factory...
> but stuck open will still give you better mileage (~14mpg - miles per gallon)
> than stuck close (~0mp - miles period!)
> bottom line. The dealer told me bad t'stats are NOT uncommon from the factory!
> FWIW.
> -rICK
> '90 4x4 3.9L Auto(A500)
>
Hi Guys,
I never realized that running to cold could harm a vehicle, I knew
running to hot would but I thought the only real problem associated with
running to cold is not getting enough hot air in cab in winter, oh well
live and learn.
Bruce
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