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22:50:28 - 12/19/2024
General Dakota Board
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dedwuddak
GenII
 
10/31/2007
22:43:16
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 Subject: Noise from my transmission
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Message:
So in the mornings when I first get in my truck and drive down the road. There is a roaring type noise i guess is the best way to describe it that i think comes from the transmission. It only happens when the engine is cold like in the mornings. And goes away after just a few hundred yards or until the trans gets into 2nd gear. Has this happened to anyone else????
dedwuddak
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modain
GenIII
11/03/2007
09:59:33
|  RE: Noise from my transmission
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Message:
Are you confusing this sound with the fan clutch? What you describe sounds exactly what I experience on chilly mornings, or if I haven't driven the truck in a while.
What's your left foot doing?
==============
2002 Graphite QC SLT Plus, 4.7L, NV3500, Superchips 3715, 3.92 LSD, R/T rear swaybar, no chrome, loads o'fun...
2001 Patriot Blue Durango SLT, 4.7L, 45RFE, Superchips 3715, 3.55 Open (for now)
1999 Forest Green Dakota RC Sport, 2.5L, NV1500, 3.55 Open
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dedwuddak
GenII
11/03/2007
11:25:18
| RE: Noise from my transmission
IP: Logged
Message:
Maybe I just figured it was the trans because it went away after the tranny shifted gears. Is there a way to fix the fan clutch?
dedwuddak
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modain
GenIII
11/03/2007
18:36:03
|  RE: Noise from my transmission
IP: Logged
Message:
There's nothing to "fix". That is normal behavior for a viscous fan clutch. When it's cold it takes a bit of driving to get the fluid thinned out enough to stop driving the fan. What you hear is the fan cutting through the air. I'd be worried if this never happened.
What's your left foot doing?
==============
2002 Graphite QC SLT Plus, 4.7L, NV3500, Superchips 3715, 3.92 LSD, R/T rear swaybar, no chrome, loads o'fun...
2001 Patriot Blue Durango SLT, 4.7L, 45RFE, Superchips 3715, 3.55 Open (for now)
1999 Forest Green Dakota RC Sport, 2.5L, NV1500, 3.55 Open
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