"Buzzing" and "whirring" sounds at shutdown ?

[OuterUB]

Drivers side of the engine bay .... seconds after shutdown.

Hear 'em every time I shut her down.

 

[elephantrider]

yup. non deleted trucks make a few clunck zippy whurr noises.

 

[OuterUB]

yup. non deleted trucks make a few clunck zippy whurr noises.

That's a very high tech answer my friend .... any chance you could dumb it down for me?

 

[elephantrider]

egr valve cycling. dpf purge. active grill resetting.

 

[arx237]

i believe the radiator fan will also motor as required with truck off.

 

[H3LZSN1P3R]

egr valve cycling. DEF purge. active grill resetting.

Fixed it for ya lol

 

[H3LZSN1P3R]

i believe the radiator fan will also motor as required with truck off.

The fan is driven by the engine its not electric it only has an electric clutch so with the engine off the fan is not running

 

[elephantrider]

yup my bad!

 

[arx237]

The fan is driven by the engine its not electric it only has an electric clutch so with the engine off the fan is not running

Yup, i misread that warning.

 

[OuterUB]

egr valve cycling. dpf purge. active grill resetting.

Thank you very much sir. Exactly what I was looking for. I find all of the diesel-specific tech fascinating.

 

[elephantrider]

remember.. dEf. I mistyped dpf!!

 

[Brutal_HO]

literally