weird noise please help
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Elder User
Joined: Feb 2007
Posts: 866
Likes: 1
From: Michigan
weird noise please help
ok i bout a 2004 ford f150 extended cab 2 weeks ago and last weekend i was on my way up north and i hear this weird humming noise coming from somewhere up front. well it only last for like a sec or two and dies out. well it did it three time that day. it does it everyonce in a while in the morning only. but when i drove last weekend it did it 2.5 hours in to a trip up north. well yesterday on my way to work it did it a lot. i cant really explain the noise but its just a humming type noise. it would do it for a sec or two and stop and come back a minute later and go off and so on for like 10-15 minutes prolly did it a total of 20 times. should i be worried? should i take it to the dealer? the dealer i got it from is a half hour away and dont wana take it there for them to tell me its nothing or they dont know. it only really happends in the morning.
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Joined: Jan 2004
Posts: 9
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From: New England
I have a 04 explorer that's had a high pitched whine on cold days ever since I bought it. It comes and goes based on specific RPM's. I've come to the conclusion that it's the crankshaft pulley singing out with a minor imbalance or roughness in the engine brought on by the cold. When you said you went up north, and it did it in the morning only, I started to think your truck has the same issue. Ford thought I was nuts, but I brought them a video of it doing it and they still said they couldn't find any problems.
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Elder User
Joined: Feb 2007
Posts: 866
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From: Michigan
well im no mechanic but if it was the altenator wouldnt my battery be toast by now? i cant really see it being the hubs but once again im not a mechanic cause i mean it only does it in the morning except last weekend when i went up north. its like a high pitch humming noise. can this be a bad thing? cause i found out after i bought my truck from this ford dealer a guy from my work bought a f350 and they put a thicker oil in it to reduce the engine knock and when he changed it he put the regular oil in and his motor went not to long after that. should i get this checked out. could my motor be going? i have no clue where to begin.
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Senior User
Joined: Dec 2007
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Check out some threads on whinning alternators...mine does it when it's real cold, once it warms up it's fine, doesn't effect my battery and I believe they came out with a revised alternator to fix the whine...
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Senior User
Joined: Apr 2004
Posts: 163
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From: Flatland, Saskatchewan
Sounds like the infamous alternator problem to me. For whatever reason, the alternators just make noise. I haven't heard of anybody on here with noisy alternator syndrome who alt. quit working based on the noise alone. Just an annoyance really.
New User
Joined: Jun 2006
Posts: 6
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From: Southern NH
I get a loose plastic buzz in the wiper trans shroud sometimes. It happens on cold days after I've got it iced up. Then on a warm day I remove and reassemble it correctly and it stops buzzing at idle in drive.
Senior User
Joined: May 2004
Posts: 133
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From: Chula Vista, CA
NHGuy,
Does the plastic buzz come from near the windshield? Is it only when the vehicle is in Drive, but stopped, and when the engine is cold? I think I have the same problem.
Thanks for any info.
Does the plastic buzz come from near the windshield? Is it only when the vehicle is in Drive, but stopped, and when the engine is cold? I think I have the same problem.
Thanks for any info.
