Cold starting problem
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New User
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Cold starting problem
I have a 2007 F250 5.4L gasser w/ ~1000 miles
It has a problem starting in really cold weather. It is about 3deg F here now.
I would just take it in for warranty but am very far from a dealer and wanted to see if it were something simple I can do first.
This is what it sounds like:
http://www.supload.com/sound_confirm...=324990567.wav
This is a more normal start (but with the aux fan on):
http://www.supload.com/sound_confirm...=938357778.wav
I appreciate any input.
Thanks
It has a problem starting in really cold weather. It is about 3deg F here now.
I would just take it in for warranty but am very far from a dealer and wanted to see if it were something simple I can do first.
This is what it sounds like:
http://www.supload.com/sound_confirm...=324990567.wav
This is a more normal start (but with the aux fan on):
http://www.supload.com/sound_confirm...=938357778.wav
I appreciate any input.
Thanks
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
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From: Stephensville WI
I've heard that whine before in real cold weather. I was told it was the alternator, under heavy load due to recharging a real cold battery that just had a huge current draw on it (starting a cold engine).
Not sure I bought the explanation, but it did go away when the weather warmed up.
Not sure I bought the explanation, but it did go away when the weather warmed up.
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New User
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Cold start trouble
redford, thanks for the reply.
I have had this problem from day 1 but only when it is really cold.
I'll have to wait till tommorrow (when its cold again) and try starting with the hood open and try to zero in on the whine.
I was wondering if it could be H2O in the fuel or condensation from coming from sea level up to altitutde where I am??
Anyways, thanks for replying.
Cheers
I have had this problem from day 1 but only when it is really cold.
I'll have to wait till tommorrow (when its cold again) and try starting with the hood open and try to zero in on the whine.
I was wondering if it could be H2O in the fuel or condensation from coming from sea level up to altitutde where I am??
Anyways, thanks for replying.
Cheers
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
Cliffhucker,
I don't think it would be condensation. When I heard my truck doing that, I was at about -10 F. It was just too freakin' cold get out and try to find the noise source.
I don't think it would be condensation. When I heard my truck doing that, I was at about -10 F. It was just too freakin' cold get out and try to find the noise source.
Laughing Gas
Joined: May 2006
Posts: 1,211
Likes: 69
From: land of 10,000 lakes
My truck makes a similar when real cold, about zero or so.
But it only lasts for about 2 seconds at most I would say, just when you first turn it over.
If I pulg the block heater in it does not do it.
06 F150 5.4 1,900 miles.
But it only lasts for about 2 seconds at most I would say, just when you first turn it over.
If I pulg the block heater in it does not do it.
06 F150 5.4 1,900 miles.
Laughing Gas
Joined: May 2006
Posts: 1,211
Likes: 69
From: land of 10,000 lakes
Mine did it agian today for about 3 seconds or so, it is 5 f out.
Also my dad has the same truck and his did not make any noises.
Both sat for the same amount of time.
Any one else experince this noise?
Anybody know what it might be/ how to fix it if there is a fix?
I know that some noise is normal when it is realy cold out, but why would mine do it and mine dads not?
thanks for any help
Also my dad has the same truck and his did not make any noises.
Both sat for the same amount of time.
Any one else experince this noise?
Anybody know what it might be/ how to fix it if there is a fix?
I know that some noise is normal when it is realy cold out, but why would mine do it and mine dads not?
thanks for any help
New User
Joined: Dec 2006
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My '04 5.4L did exactly the same thing, only when cold, and I also heard it was the alternator or thought it might be the belt. Did it from the first cold day I had it.
Here's the wierd thing...the dealer just did the cam phasers under warranty (I did not mention this noise at all, just the cam phaser tap, since they had refused to look into this noise before under the claim that it was a belt and not covered) and the truck is now completely quiet on cold starts. No tap and no whine. I have no idea why, other than they had some of the serpentine components disassembled and reassembled and maybe they did something I'm not aware of.
Here's the wierd thing...the dealer just did the cam phasers under warranty (I did not mention this noise at all, just the cam phaser tap, since they had refused to look into this noise before under the claim that it was a belt and not covered) and the truck is now completely quiet on cold starts. No tap and no whine. I have no idea why, other than they had some of the serpentine components disassembled and reassembled and maybe they did something I'm not aware of.
Last edited by mndF150; Feb 16, 2007 at 03:02 PM.
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Post Fiend
Joined: Jan 2002
Posts: 5,859
Likes: 7
From: USA
Its the pwr steering pump ,its normal .If you change to full synthetic fluid it quiets down alot but still there
We delt with this for yrs
Rich
We delt with this for yrs
Rich
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Fleet Mechanic
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Originally Posted by FortyFords
Its the pwr steering pump ,its normal .If you change to full synthetic fluid it quiets down alot but still there
We delt with this for yrs
Rich
We delt with this for yrs
Rich