Question about 2004 Ford F150

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I have a 2002 Ford F 150 Supercrew. There is a whining noise in the rear axle. What causes this noise?

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Fisrt thing to check is the differential fluid, make sure it is full up to the plug. If this is dry you could have ruined a bearing in the rear end. Next check all the rear axle bearings. Most likely it is the differential and the gears are dry and when they dry out they scorch and cause a noise like this.
If no issue found in the rear end it may possibly a bearing in the tranny. These noises travel through the steel and sometimes get confusing as to where they originate from.

Posted on May 26, 2011

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CHECK AXLE GEAR OIL,REAR WHEEL BEARINGS, AND PROBABLY RING AND PINION

Posted on May 26, 2011

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2 Answers

Why is the rear end making a whining noise


The whining noise could be for many reasons. Narrowing the possibilities depends on when the noise occurs. If it happens only while decelerating at any or all speeds is most likely caused by bad pinion bearings or loose pinion bearing preload. If it happens during acceleration over a small or large speed range is usually caused by worn ring and pinion gears.

One cheap thing to check is the fluid level in the differential. If low, topping off the lube may help for a while.

Jun 12, 2014 | 2000 Ford Mustang

1 Answer

High pitch nosie from rear end of 2004 ford f-150 supercrew


Does the sound change while accelerating or decelerating?? If it does i would suspect a carrier bearing or a pinion bearing going bad..If its consistant,,and doesnt change with acceleration or deceleration,,then it may be a axle bearing..

Sep 29, 2011 | 2004 Ford F150

1 Answer

Hello, I have a 2008 ford 150 xlt 4x4 and there is a humming noise and leak from either rear end or yoke. When parking the truck on a hill facing down werd, it looks like it's leaking at the yoke. Is...


While there aren't any open recalls I'm aware of for that concern, it may very well fall under the powertrain warranty (5 years, 60,000 miles). The most common rear end noise concern we get is a chattering/noise from the rear end in turns caused by the breakdown of additives in the rear axle fluid causing the limited slip clutches to chatter. The cheapest, easiest fix for that concern is an $8 bottle of "friction modifier", available at the dealerships parts department, that you can add to the rear axle. It will work its way into the friction material, usually quieting the noise after 500 miles or so.

May 04, 2011 | Ford F-150 Cars & Trucks

1 Answer

CLUNKING NOISE COMING FROM REAR AXLE PASSANGER SIDE SEAL LEAKING GROOVE WORN IN AXLE COULD THAT CAUSE THE CLUNKING NOISE 01 FORD F-150


you have a seal leak causing the differential oil to get onto the rear brakes shoes.what is happening is the brakes grab the drum and shift until they can`t move(turn)any more causing the clunking noise.the groove in the axle if it is bad enough then it will need a axle sleeve installed which gives the axle were the groove is a smooth surface,it is a thin metal sleeve the diameter of the axle that is installed on the axle.

Apr 06, 2011 | 2004 Ford F150

1 Answer

Rear end on f-350 makes roaring noise. I checked oil level and it was ok. The oil seems to be very thin. Could wrong oil cause rear end noise?


Differential roaring noise is usually caused by a bearing that is worn or has pitting in the bearing race (half of bearing without rollers). A whining noise would be caused by worn ring and pinion gears. the roaring could be from the carrier bearings (two bearings holding the differential case to the axle housing) or fron the pinion bearings. The fluid is typically heavier but will seem thin when hot. The fluid isn't the causing of the noise but if the wrong fluid is in the differntial it could have caused the bearing to go bad which then causes the noise. good luck.

Apr 05, 2011 | Ford F-350 Cars & Trucks

2 Answers

When I get up to about 65-70 mph with my 2004 Lincoln Navigator it makes a humming noise... very annoying.. Can anyone help me with what this is and how I can get it fixed?


Unfortunately, this is a somewhat common problem. Ford has issued several Technical Service Bulletins related to rear end noise. Without an extended warranty, this is something you will have to pay for.
TSB 05-23-3 11/28/05 REAR AXLE NOISE REPAIR FORD: 1997-2005 Expedition, F-150 2002-2005 Explorer LINCOLN: 1998-2005 Navigator 2003-2005 Aviator MERCURY: 2002-2005 Mountaineer
ISSUE:
Some vehicles may exhibit an axle whine or hum during acceleration, deceleration and/or cruise.
ACTION: An axle repair kit has been developed which incorporates most parts required for a comprehensive axle repair. The kit should be used instead of installing a complete axle assembly to repair an axle whine/hum. Replace Ring and Pinion with Axle Kit and Components.

Mar 20, 2011 | 2004 Lincoln Navigator

1 Answer

How to change the rear axel bearrings on ford f 1=150


have to pull the diff cover,remove the small bolt that holds the pin,remove the pin . With wheels off ,push the axle in remove c-clip ,slide axle out. You will need a slide hammer to remove the bearing.(or pull both sides and drive out with a long piece of rebar from the other end)
Be sure to check the axle surface where the bearing rides,if is damaged the parts stores sell a repair bearing that makes the rollers ride in a different spot on the axle.(called "axle savers")

Nov 06, 2010 | 2001 Ford F150 Styleside SuperCrew

2 Answers

Rear end whine on my 2002 ford f150 fx4 supercrew is it clutch pack?


Could be low on differential fluid, leaking from the wheel seal. The Differential gears could also be worn from low on fluid or ears was not lined up and have worn it self out.

Service the rear end, inspect the fluid's condition and measure the any play in the gears in the rear end replace is worn out.

You may buy some time by running 50% to 100% Lucas oil treatment in your rear differential. Good luck and hope your differential is not to badly worn.

Mar 06, 2010 | 2002 Ford F150 Regular Cab

1 Answer

Whine from rear end


Sounds like a pinion bearing or rear axle shaft bearing.

Jun 27, 2009 | 2001 Ford F150 Styleside SuperCrew

2 Answers

Rubbing or grinding noise coming from Driver side rear tire/wheel


I had the same problem that based on interner research is common for Fords trcuks/suvs. The common problem fro rear humming "rubbing"sound might be the rear wheel bearings/seal. These will need to be replaced as it will progressivly get worse and the noise louder and eventually the bearings can sieze. I would hesitate to take to a ford dealer if I were you as it can run $500-900. Take to mechanic that knows how to replace wheel bearings and seals. My mechanic replaced them for about $150. and the bearing and seals are around $40. A good way to test this is to raise the wheel were you can freely spin by hand...if does not spin or there is a lot of friction then it might be the wheel bearings.
Good Luck

Apr 08, 2009 | 2002 Ford Explorer

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