Help newbie here. 250 heat ?
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From: Lakes Region N.H.
Help newbie here. 250 heat ?
Hello newbie here from the Live Free or Die state--N.H. and was wondering about a few ? about my truck.. 01' super duty crew cab(4 doors) and 5.4L-V-8---89,000miles. Questions are when ever I turn the heat on the balancer pully (I think) on the engine makes a weird noise like it comes on and off every 2 seconds. The dealer has changed the humonake(spelling) balancer and has told me that noice is normal. I have checked with everyone else with the same truck and engine and theirs do not make that noise.Only when the heat is on..
Sorry if this ? is on the wrong posting, and thanks in advance for any help on this...
Sorry if this ? is on the wrong posting, and thanks in advance for any help on this...
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New User
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From: Lakes Region N.H.
Would'nt that noise be going on all the time while the engine is running? thanks for the replys so far
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From: Frederick, MD
if it was the a/c compressor when the clutch engages then there would be noise, suggest that you run the motor and heat to create the noise and visually check for the noise under the hood. pay attention to the a/c unit and see if that is where it is coming from.
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From: Lakes Region N.H.
Thnaks for spelling that for me by the way (harmonic balancer)
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From: Richmond BC
normaly if u have a bad HVAC fan noise it would occur all the time..
but its possible that certain HVAc settings might put the fan under different strain, perhaps enuf to cause it to make noise only in certain configs..
but it would be unlikely to be heard under the hood... esp over the sound of the motor... i would think it would be louder in the cab actually..
but its possible that certain HVAc settings might put the fan under different strain, perhaps enuf to cause it to make noise only in certain configs..
but it would be unlikely to be heard under the hood... esp over the sound of the motor... i would think it would be louder in the cab actually..
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New User
Joined: Dec 2008
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From: Lakes Region N.H.
normaly if u have a bad HVAC fan noise it would occur all the time..
but its possible that certain HVAc settings might put the fan under different strain, perhaps enuf to cause it to make noise only in certain configs..
but it would be unlikely to be heard under the hood... esp over the sound of the motor... i would think it would be louder in the cab actually..
but its possible that certain HVAc settings might put the fan under different strain, perhaps enuf to cause it to make noise only in certain configs..
but it would be unlikely to be heard under the hood... esp over the sound of the motor... i would think it would be louder in the cab actually..
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From: Freeville Ny
out of curiosity does the noise go away if you aren't running the defroster. mine makes a similar noise when the defrost is on and the ac clutch pully is engaging. does it about every 2-5 minutes if the truck is just idling in the driveway. mines an 01 250sd 4x4 5.4l
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From: Lakes Region N.H.
I check that out, but I think it does make the noise with any heat on. Once I shut the heat off no more. If it's the clutch pully making the noise does it mean I need to change something???? My is also 01' 250 with 5.4 L
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Are you talking about under the dash area? for the heater box? I know it's from the engine and it was the balancer at stated in the last few post. Would any of the pullys on the belt back noisies when heat on? Cant fine the issue.. sounds like this brbrbrbrrrrr-click (few seconds of quiet and then) brrrbrrrrbrrrr click. All the while the heat is on. heat goes off, it stops. They replaced the harmonic balancer(new)
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From: Peoria, IL
The AC compressor will cycle on and off in any position other than vent and off I believe. So if you have yours in defrost, or floor and defrost, the AC compressor may still be cycling on and off and causing this noise.
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From: Freeville Ny
the noise mine makes is normal but as I said it only cycles every 2-5 min. if yours is cycling almost nonstop seconds apart there maybe something else going on