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What is the cause of hearing a wining sound from the transfer casing

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Sounds like bearing in the front of my 1500 chev in four wheel only lound whine


If it whines when in the 4x4 position but not at any other time then the noise you hear may be coming from the transfer case and is caused by the high gear load of driving both axles on a this type of surface. If you are driving in the 4x4 position on any dry hard surface you will hear some noise from the transfer case and usually it is a noticeable whine. Also, driving in 4x4 on a dry/hard surfaces greatly adds to the strain and wear on the power train. It would also be a good idea to have the both axles and transfer case fluid levels checked to be sure none of them are low. Hope this helps a bit and good luck!

Jan 18, 2011 | 1996 Chevrolet K1500

1 Answer

I have a 2004 chevy silverado 1500 with 4x4 on the floor. its approaching 100,000 miles and i belive the transfer case is what is making noise, because i hear grinding/clunking when it shifts (when it is...


i would recommend that you check your fluid level in your transfer case. i have a 2003 chevy 1500 4wd and lost my transfer case. all of the fluid was slowly lost due to a hole punched in the case by an internal ring. this is a known problem caused by the aluminum ring creating a hole in the softer magnesium case. if you have lost your fluid it is likely that your transfer case is bad. this could be the cause of the grinding you are hearing, likely your driveshaft will be loose at the rear output shaft. you may also have problems in your speedo gauge because of the loose driveshaft. if the transfer case is bad it is likely you will need to replace it. (not cheap) there are some after market parts that can be added to the transfer case to prevent the hole from being punched if the case is not already bad. check out http://www.drivetrain.com/parts_catalog/transfer_case_replacements_and_parts/np261.html they have the after market parts and a better explanation.

Oct 09, 2010 | Chevrolet Silverado 1500 Cars & Trucks

2 Answers

Have a 97 tahoe when put in reverse transfer case pops out and hear gears grinding,what could be causing this


There is a snap ring at the back of the transfer case that breaks. It can be fixed without removing the transfer case. Remove the rear driveline and the small housing at the back of the case. The snap ring holds the bearing in place.

Aug 23, 2009 | 1996 Chevrolet Tahoe

2 Answers

Crackling noise from transfer case


What you may be hearing is the wheel bearings instead of the transfer case. I had this problem with GM before and found it to be the wheel bearing was bad. I know it is not what you think, but it would be an easy thing to check first.

Jun 21, 2009 | 1996 Chevrolet C1500

1 Answer

When in 4wd it makes a noise


Sounds like the transfer case is not fully engaging itself. you will have to check this out. This will only cause more damage if left alone. make sure the wires are connected and tight. if the wires are OK, the internals are likely to be malfunctioning. replacing or repairing the transfer case will fix this.

Mar 13, 2009 | 1995 Jeep Grand Cherokee

1 Answer

Loud clicking sound from beneath my H3


if you only hear it over bumps it is the heat shields under the truck. i have an H3 06 also and had the same sound at 30k. does the "clicking" sound get fast as you drive faster? if so, it could be the teeth, if not, look for loose bolts on all your sheilds under you truck.

Nov 24, 2008 | 2006 Hummer H3

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