Question about 2006 Chevrolet Silverado
Posted by Anonymous on
Well first make sure you change the oil and see if that helps. well see if you have oil in it. this is a big job if you need to replace bearings in the rear end. this has to be done asap. they are known to go bad (bearings) and take out the rear end.(meaning you will need to replace the whole rear end) hope that helps
Posted on Mar 31, 2015
Check the rear end grease /oil level .you may have a seal going out .or even a bearing
Posted on Mar 28, 2015
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Posted on Jan 02, 2017
Grab the bed of the truck and vigorously rock the vehicle from side to side. If you hear clunking in the axle, you probably need to check the carrier bearings in the differential. I had the carrier bearings, wheel bearings, and seals replaced in my mother-in-law's 1991 Ranger for $280, and it rides like a new truck. Well, ok, it rides like an 18 year old truck with a new rear end. I provided the wheel bearings and seals to the shop, and they provided the carrier bearing, lube, and labor. While the axles are out, check the surface where the axles ride on the bearings. If they are worn, there are undersized bearing available, but it is usually cheaper and easier to just by new axles.
Posted on Feb 12, 2009
I would suggest a rear differential service. When the fluid breaks down in the rear it doesn't provide the proper lubrication for the rear and you'll hear the "moan". Don't forget to buy and add the limited slip(posi-trac) additive.
As far as the rear end noise, There was a TSB released on GMC light duty trucks that says "Some owners of light duty trucks equipped with automatic transmissions may comment that the vehicle exhibits a clunk noise when ******* between Park and Drive, Park and Reverse, or Drive and Reverse... Whenever there are two or more gears interactin with one another, there must be a certain amount of clearance between those gears in order for the gears to operate properly. This clearance of freeplay (also known as lash) can translate into a clunk noise whenever the gear is loaded and unloaded quickly, or whenever the direction of rotation is reversed." It goes onto say "...Whilse some owners may find the clunk objectionable, this will not adversely affect durability or performance."
Posted on Apr 16, 2009
Before you do this you might want to try fresh gear lube. On Ford products they use a synthetic additive in the rear and not in the front 4x4 axle.
The next thing would be to determine if it is a wheel bearing or a pinion bearing. You have to pull the axles and eliminate them as the problem. You might get lucky and not need to do the pinion.
The technical part of shimming the pinion gears with replacing the pinion bearing is about the worst part of the job. You won't know about the gears until you see them. You will need extra shims on hand.
It is a moderate job for two people. If you have all the parts it can be done in a day.
Posted on Aug 23, 2009
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Check the rear differential fluid level and or condition of the fluid. if it is low you could have a bad pinion or carrier bearings (common in jeeps) you may need to remove the cover all together and all the fluid will drain out. you should be prepaired to catch the fluid in a pan and also have gasket sealer to reinstall the cover. Usually you can just remove the rubber plug on the cover and the fluid should be just at the edge of the bottom of the hole when the vehicle is on level ground. if there is no rubber plug on the cover then there is a fill plug on the passenger side of the differential just above and a little further back from where the pinion goes into the rear axle housing. if there is any signs of metal or a silverish color then you are getting failure of some sort in the differential (axle)- usually bearings. the pinion bearing is usually the first to fail because of the speed it spins at and the fact that the force used to spin the carrier wich turns the axles is taken off the side of the pinion gear. if the oil is clean and full but smells prety bad.. -this is normal. removing the cover can be a project so if you are intimidated by the sounds of it then take it to a professional and save yourself a towing charge. i would rate the difficulty at about a 3 out of 10. make sure you use the proper fluid to refill it also. good luck. let me know if you want more help from me.
Posted on Dec 30, 2009
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