rattle after shutoff
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Fleet Mechanic
Joined: Aug 2005
Posts: 1,689
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rattle after shutoff
When i turn off my truck, i can hear a metallic rattle on it. This happens with the gentle 'whirring' as the turbo spins down. I assume the rattle is just a function of the beast, but wasnt sure.
Freshman User
Joined: Aug 2005
Posts: 30
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From: Aurora / Moores Hill, IN
My 2005 F250 PSD also has a small noisy sound when the turbo spins down. The spin down I can hear either inside or outside the truck. The spin down normally lasts for about 5 seconds. Can other FTE members confirm that they hear the same and that it is normal? Thanks!
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Fleet Mechanic
Joined: Aug 2005
Posts: 1,689
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From what i can tell, the spin down and rattle are normal. The rattle is apparantly the nature of VGT, and the whooshy sound is just the turbo spinning down, since it spins all the time from teh exhaust.
Senior User
Joined: Jun 2004
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From: Dundas, Ontario
I have tried to let the engine cool down to 400f before shutting her off, but it does't seem to make a differents in how long you hear that turbo wine down. About 5 sec is the same as mine. Ô¿Ô
Senior User
Joined: Apr 2005
Posts: 400
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From: Orlando Florida
I noticed the same thing. I had my wife back it up into our driveway and then shut it off. A loud metallic sound?
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Senior User
Joined: Dec 2003
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Unless you are running an auto trans, you might be hearing two-stage flywheel chatter. Perfectly normal with a manual trans.
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Senior User
Joined: Jun 2001
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From: DE
My '06 does the same thing when I shut it off. This morning when I got home I shut off the truck from the passenger side and listened at the exhaust pipe. Sort of like a gentle clicking noise. I can hear it in the cab when I shut it off, too. I just hope it's normal.
Mark
Mark
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