That's the mechanical fan "stuck" engaged at low temperatures. It uses
a fluid to engage the clutch (the fan's clutch), and when it's pretty
cold it'll be viscous enough that it acts like it's truly engaged. Once
the engine starts getting warm, the fluid loosens up and lets it
disengage.
Completely normal. It's happened to all of us who live where there's
winter. Except for the ones who have swapped out for an electric fan.
Arnoldo Silva wrote:
>
> i have a 2000 quadcab dak 4.7 liter auto has anyone noticed that when
> their truck is cold it sounds funny like the engine fan is blowing extra
> hard im thinking its coming from the tranny poss. the torque converter but
> not sure it feels really sluggish until this sound goes away at about 160
> degrees.
> thanks
> arnold
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:59:53 EDT