roar going down the road

thegoat2000 · 11-29-2008, 03:56 PM

my 2000 xj is stock and strert ratials and when im goni down the interstate doing about 75 0r 80 its roars lik i have 40s on it but i cheched the front diff and its coming from up front it rides smooth im lost help

jeepride · 11-29-2008, 05:25 PM

Had a roaring noise in mine it was the front unit bearings they were both bad.

Belto · 11-29-2008, 06:28 PM

check all bushings, my dads Explorer roar like it had MTs and it was some bad bushings.. metal with metal = roar and bad vibes..

jeeptech · 11-29-2008, 07:40 PM

If the noise changes when you turn (lane change) it's probably unit bearings (wheel bearings). If not you may want to check front differential bearings. If you can get it in the air you can listen to the bearings with a stethescope by putting it in 4 whl hi and having someone "drive" it at speed. Just watch carefully for moving parts!

thegoat2000 · 11-30-2008, 09:32 AM

It dont make a sound till you get to about 70 or higher

98 JeepJeep · 11-30-2008, 10:34 AM

how about air pressure/condition of tires?? any feathering/cupping?

11-29-2008, 03:56 PM	#1
thegoat2000 Member Join Date: Nov 2008 Posts: 109 My Photos	roar going down the road my 2000 xj is stock and strert ratials and when im goni down the interstate doing about 75 0r 80 its roars lik i have 40s on it but i cheched the front diff and its coming from up front it rides smooth im lost help

11-29-2008, 05:25 PM	#2
jeepride Seasoned Member Join Date: Jul 2008 Location: West Virginia Posts: 466 My Photos 98 Cherokee Year: 98 Model: Cherokee Engine: 4.0L Transmission: aw4 Transfer Case: 231 Front Axle: hp 30 355 Rear Axle: chyrsler 8.25 355 Tires: 225x15 Misc Accessories: jcr sliders skid row tank skid	Had a roaring noise in mine it was the front unit bearings they were both bad. __________________ 98 xj 4.0L 231 aw4 jcrstage 1 sliders cobra cb 3 inch aal 31 1050 maxxis bighorn cragar d windows

11-29-2008, 06:28 PM	#3
Belto CF Veteran Join Date: Jan 2008 Location: Puerto Rico Posts: 1,485 My Photos	check all bushings, my dads Explorer roar like it had MTs and it was some bad bushings.. metal with metal = roar and bad vibes.. __________________ Present 1996 GP Jeep Cherokee owner 4.0L HO automatic 4x4 ... HSP 3" lift... Air Box Mod, http://www.cherokeeforum.com/f2/new-air-box-mod-887/ My Build, http://www.cherokeeforum.com/f46/project-work-horse-3054/ Fuel Saving Tips: http://www.cherokeeforum.com/f2/fuel-saving-tips-3510/ www.cherokeeforum.com and www.cherokeetalk.com best sites ever

11-29-2008, 07:40 PM	#4
jeeptech Member Join Date: Mar 2008 Location: Osceola, In. Posts: 106 My Photos 1998 Cherokee Year: 1998 Model: Cherokee Engine: 4.0 Transmission: AW4 Transfer Case: 231 Front Axle: hp30 Rear Axle: 8.25 Tires: Khumo 30x9.5/15 Lift Specifications: 2 in Misc Accessories: Warrior ft bumper	If the noise changes when you turn (lane change) it's probably unit bearings (wheel bearings). If not you may want to check front differential bearings. If you can get it in the air you can listen to the bearings with a stethescope by putting it in 4 whl hi and having someone "drive" it at speed. Just watch carefully for moving parts! __________________ A Jeep thing and a VW Thing are two different things, Thank God!

11-30-2008, 10:34 AM	#6
98 JeepJeep CF Veteran Join Date: Oct 2008 Location: Stafford,VA Posts: 2,085 My Photos 1998 Cherokee Year: 1998 Model: Cherokee Engine: 4.0 Transmission: Auto	how about air pressure/condition of tires?? any feathering/cupping? __________________ 98 Jeep Cherokee Classic 4x4 164K 7120 Head,K&N FIPK,63MM TB,00 XJ Intake Manifold,Header,19lb Explorer Injectors,RC 6.5 LA,35'S,DIY SYE. 88 Mustang GT 100K mile JY Explorer motor 10PSI 400HP/405FTLB

11-30-2008, 09:32 AM	#5
thegoat2000 Member Join Date: Nov 2008 Posts: 109 My Photos	It dont make a sound till you get to about 70 or higher

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