noise on cold start up
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Tuned
Joined: Dec 2003
Posts: 253
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noise on cold start up
Hi. Recently my 04 V10 has made a brief raspy humming noise on cold start ups. Lasts two seconds and sounds like it's coming from beneath drivers floor board. This morning it was 2 degrees and it lasted a good 10 seconds and went away. I can't think of any other way to describe it, it's just a harmonic metal sound. Any ideas? Thanks.
Freshman User
Joined: Dec 2003
Posts: 29
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Same here.
I have the 5.4 gas and I get the same loud hum along with a loud power steering pump.
Picking at reasons, I would think the hum may be due to the air intake and the amount of very very cold air the engine is getting. The power steering noise I attribute to very cold fluid.
After a 5 min warm up, all is well again and ready to tackle the elements.
I have the 5.4 gas and I get the same loud hum along with a loud power steering pump.
Picking at reasons, I would think the hum may be due to the air intake and the amount of very very cold air the engine is getting. The power steering noise I attribute to very cold fluid.
After a 5 min warm up, all is well again and ready to tackle the elements.
Junior User
Joined: Jan 2005
Posts: 72
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From: marstons mills
Mine dose that too. I agree with the very cold air that gets sucked into the engine on the initial start up on a cold morning. It only happens too me if its been sitting all night or all day. But if it just sits for acouple hours it wont.
Posting Guru
Joined: Nov 2002
Posts: 2,440
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From: Ventura County, CA
Me too! I get a vibration sound in the first few seconds. I have noticed some dents and banging marks on my exhaust tubing at the point behind the catalytic converter that has a pretty severe bend in the tubing to get over the rear axle. Could the hangers be too low and it hits? Hmmm, inquiring minds want to know!!! Could it be a combination of both the initial cold blow-out of air coupled with the motor starting up and "jolting" the whole system into action?
Daryl
Daryl
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New User
Joined: Jan 2005
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my 2001 v10 also does this. it also does going down the road sometimes but it always comes and goes. cant get it to do it when i want someone to listen to it any thoughts?
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From: Massachusetts
Originally Posted by swanee
Hi. Recently my 04 V10 has made a brief raspy humming noise on cold start ups. Lasts two seconds and sounds like it's coming from beneath drivers floor board. This morning it was 2 degrees and it lasted a good 10 seconds and went away. I can't think of any other way to describe it, it's just a harmonic metal sound. Any ideas? Thanks.
