Cold Start Up Noise
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Junior User
Joined: Oct 2010
Posts: 51
Likes: 0
From: Vancouver, BC, Canada
I recorded a minute of audio on my start up this morning. It was 30F. I can email the audio from my BlackBerry if anyone is that curious and probably could even post it here if I knew how.
EDIT: I made a YouTube video capturing the audio of the cold start. I added a picture slide show trying not to be a blank screen of the audio track. Anyway, here is the link to the YouTube video: YouTube - 2011 King Ranch
EDIT: I made a YouTube video capturing the audio of the cold start. I added a picture slide show trying not to be a blank screen of the audio track. Anyway, here is the link to the YouTube video: YouTube - 2011 King Ranch
Thanks for the video. From it, can anyone say what the sound might be?
Senior User
Joined: Jul 2010
Posts: 436
Likes: 2
From: Salt Lake City, UT
Mine does the same. I plugged mine in for the first time early this morning (about 1.5 hours before I left for work) and it didn't make the sound when I started it. I think I'll plug it in nightly until it gets a little warmer. My truck is parked in the garage every night, but it's been so cold that doesn't help much.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
Mine does the same. I plugged mine in for the first time early this morning (about 1.5 hours before I left for work) and it didn't make the sound when I started it. I think I'll plug it in nightly until it gets a little warmer. My truck is parked in the garage every night, but it's been so cold that doesn't help much.
This doesn't fix anything, I simply am interested for no other reason.
(I don't have the plug or I would.)
Senior User
Joined: Jul 2010
Posts: 436
Likes: 2
From: Salt Lake City, UT
Will do. Plugged it in last night, so I'll let you know.
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Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
Do any of them sound like this?
YouTube - 2011 6.7L Powerstroke whining noise
YouTube - VID 20100926 104950
https://www.ford-trucks.com/forums/9...ml#post9373234
Mine started doing this back around September when it started getting colder. At certain temps and RPMs it was obnoxious.
After three trips to the dealer as well as the involvement of Honeywell and Ford engineers, they replaced the turbo and all has been well ever since. If yours is like mine was, it's a noise the turbo is making and resonating through the DOC.
It's probably nothing to worry about. I had mine replaced because at that point nobody had heard of this problem, and I was a bit nervous!
YouTube - 2011 6.7L Powerstroke whining noise
YouTube - VID 20100926 104950
https://www.ford-trucks.com/forums/9...ml#post9373234
Mine started doing this back around September when it started getting colder. At certain temps and RPMs it was obnoxious.
After three trips to the dealer as well as the involvement of Honeywell and Ford engineers, they replaced the turbo and all has been well ever since. If yours is like mine was, it's a noise the turbo is making and resonating through the DOC.
It's probably nothing to worry about. I had mine replaced because at that point nobody had heard of this problem, and I was a bit nervous!
Senior User
Joined: Jul 2010
Posts: 436
Likes: 2
From: Salt Lake City, UT
Just started it again this morning after being plugged in overnight and no noise.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
It was 18 outside and 46 in my garage where I had it parked.
We all already knew it was cold temp. related but this just adds more proof.
On a side note, the drastic temp. change created quite a bit of exhaust steam this morning too. Two vehicles behind me had to change lanes.
It's probably in shock since I don't normally keep it in a garage.
