Truck is starting to hum loudly when driving

StephanieStroh · 08-03-2012, 09:27 AM

about 2 weeks back I have noticed that there is a hum coming from my truck when driving. When I am driving on the highway 60 mph or higher the hum is very noticable. Is it the 4 wheel drive? transmission? is this going to cost me some major coin to get fixed?

I really like the truck and enjoy the payment free life of 'owning' it.

Chapster · 08-03-2012, 11:52 AM

I read alot of threads about loud motors. Try searching blower fan. Maybe that's what you're hearing?

pet575 · 08-03-2012, 02:58 PM

I would guess wheel bearing. Known problem on these vehicles. Does it only start at 60MPH? Does it do it at lower speeds, then get worse as you speed up?

HCCA 250 · 08-03-2012, 03:27 PM

Second the wheel bearing assessment. The wheel bearing can sound like it's coming from a different location as the vibration travels throughout the drive train. You might hear it as though it's coming from the transmission, or transfer case. But, it can still be a right rear wheel bearing!

*buckwill* · 08-03-2012, 10:02 PM

i used to get loud humming but only when i was driving,, when my exwife drove it didnt hum at all,, i checked everything,, turned out it was the wife,, she was afraid of my driving,, she hummed,, and she didnt know the words,, got her sheet music,, and she sang,, i shudda left her well enough alone,, hummin was easier on the ears,,,buck

*Jstcruz* · 08-03-2012, 10:46 PM

My IAC started acting up recently and hums thru the intake tube loudly, but I havnt been on the highway since it started so I dont know how noticable it is at speed

doug625 · 08-04-2012, 03:43 AM

I would guess wheel bearing, trans, or rear axle. Lots of 3rd Gens have a whine coming from the rear axle, mine has done it for over 60,000 miles but it has not gotten worse at all. Check the tire wear also, if you need an alignment you could just be hearing tread noise too.. lots of possibilities.

Exproblems · 08-04-2012, 04:40 AM

Quote:

Originally Posted by buckwill

i used to get loud humming but only when i was driving,, when my exwife drove it didnt hum at all,, i checked everything,, turned out it was the wife,, she was afraid of my driving,, she hummed,, and she didnt know the words,, got her sheet music,, and she sang,, i shudda left her well enough alone,, hummin was easier on the ears,,,buck

Don't know if it's just me, but I was thinking your wife was doing another type of "humming" while you two were driving along!

I wouldn't confuse that with a bad wheel bearing though.

08-03-2012, 09:27 AM	#1
StephanieStroh Wannabe Elite Explorer 2005 Ford Explorer Join Date: Aug 2012 Posts: 1 Vehicle Specs (Original Poster)	Truck is starting to hum loudly when driving about 2 weeks back I have noticed that there is a hum coming from my truck when driving. When I am driving on the highway 60 mph or higher the hum is very noticable. Is it the 4 wheel drive? transmission? is this going to cost me some major coin to get fixed? I really like the truck and enjoy the payment free life of 'owning' it.

08-03-2012, 10:02 PM	#5
buckwill Elite Explorer trona calif 1998 sport Join Date: Feb 2010 Posts: 241 Vehicle Specs	i used to get loud humming but only when i was driving,, when my exwife drove it didnt hum at all,, i checked everything,, turned out it was the wife,, she was afraid of my driving,, she hummed,, and she didnt know the words,, got her sheet music,, and she sang,, i shudda left her well enough alone,, hummin was easier on the ears,,,buck __________________ if my memory was getting shorter would i know???,, disabled viet vet, retired navy,, 98 exploder sport sohc 4.0,, retired macinist,gas and steam turbine millwright,, ive arrested, stroked twice and i mispell lots,

08-04-2012, 03:43 AM	#7
doug625 Wannabe Elite Explorer 2002 Explorer xls Join Date: May 2012 Posts: 62 Vehicle Specs	I would guess wheel bearing, trans, or rear axle. Lots of 3rd Gens have a whine coming from the rear axle, mine has done it for over 60,000 miles but it has not gotten worse at all. Check the tire wear also, if you need an alignment you could just be hearing tread noise too.. lots of possibilities. __________________ 2002 XLS 255/70/16 Cooper Discoverer HTP's, K&N, Philips Crystal Vision bulbs

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08-03-2012, 11:52 AM	#2
Chapster Wannabe Elite Explorer Montreal 02 Explorer xls Join Date: Jul 2012 Posts: 6 Vehicle Specs	I read alot of threads about loud motors. Try searching blower fan. Maybe that's what you're hearing?

08-03-2012, 02:58 PM	#3
pet575 Wannabe Elite Explorer Kansas City, MO 2004 Limited Join Date: Jun 2008 Posts: 265 Vehicle Specs	I would guess wheel bearing. Known problem on these vehicles. Does it only start at 60MPH? Does it do it at lower speeds, then get worse as you speed up?

08-03-2012, 03:27 PM	#4
HCCA 250 Wannabe Elite Explorer IL 2002 Eddie Bauer Join Date: Nov 2009 Posts: 129 Vehicle Specs	Second the wheel bearing assessment. The wheel bearing can sound like it's coming from a different location as the vibration travels throughout the drive train. You might hear it as though it's coming from the transmission, or transfer case. But, it can still be a right rear wheel bearing!

08-03-2012, 10:46 PM	#6
Jstcruz Elite Explorer Deltona, FL 97 Ex XLT & 84 Ranger Join Date: Jul 2010 Posts: 816 Vehicle Specs	My IAC started acting up recently and hums thru the intake tube loudly, but I havnt been on the highway since it started so I dont know how noticable it is at speed