Good luck everyone Great post, thanks I placed a link to it in a few other threads that are related I don't want to contribute to a population explosion of stickies. The gear oil in your differentials and transfer case does just this: keeping the gears and bearings moving smoothly during a harsh Minnesota winter. No load on any of the drive train components is going to make very little if any noise. How important is the Torque specs when tightening the plugs? This reduced the noise but it did not stop it like when I first got the Vibe. Remove the transmission coupling spacer. I only had 5k miles on the truck at the time, but I wanted to make the switch to synthetic. I also need to change the front driver side lower control arm.
If someone reads through the transmission servicing or the greasing driveshaft sticky they'll find a link to this if they want it. Bearing manufactures will trade parts with one another to cover their product lines. Hint: Tape the screwdriver tip before use. Dont have any Tools, or car stands. They have 3 years warranty with them. I will definitely grab one of those stethoscopes. Continue diagnosis using the repair manual.
If you have a for-profit service,. This is very common with these cars and usually goes miss diagnosed as a bad rear wheel bearing or a bad differential bearing. This statement would lead one to believe the rear end is bad. I could not check the oil now because I changed it like two weeks again. You can gently squeeze the bottle to speed the process.
The dirt would give a clue as to how much wear because dirt does not enter a rear end so the dirt has to come from inside the rear itself. I am planning to change both of them as well. Great, as long as they are known for being quality brand, I am okay with it. I know this must have happened over a long time, and I could have brought the car in to be inspected, well within its warranty, but Toyota did nothing. .
In summary, proper maintenance of all wheel drive and four wheel drive fluids will ensure proper operation year-round and prevent future expense. As the noise changes under these different conditions, this is what can help you trouble shoot the problem or at least get you to an area of the car for mechanical inspection. However, I looked at the oil and it did not seem to have any metal particles. The lube does not get contaminated as there is no outside source, except for the small vent, for contamination to enter the rear end. Torque: 20 Nm 14 ft. The dirt would give a clue as to how much wear because dirt does not enter a rear end so the dirt has to come from inside the rear itself.
But now, a 2 years later, the noise comes back but filling it with fluid would not help. It will be more difficult to fill the differential if you've only got it raised in the rear. Using a screwdriver, remove the rear differential dust deflector. If the lube is burnt and dirty metal? What do you think about their quality? With the hubs off you are half way there to replacing the boots. I've rotated the tires 3 times already!!! Remove the rear differential carrier assembly from the vehicle. Look to see if it is leaking from around the edges. I also replaced the rear wheel bearings and hubs as part of my attempts to fix it but the noise is still there.
I will also check the axle cv boots. I am having a problem with my 2003 Pontiac Vibe All Wheel Drive. They must be replaced under warranty!!. Now is the time to replace them if they are in bad shape. Just fiddy bones for some sweet synth punkin' juice.
Again, thank you for all you replies. It is possible that there will be diff oil leaking at the bad bearing as well Dec 07, 2013 How to Fill a Rear Differential You may need to add fluid to your differential due to leaks or changing seals, or it may be time to change out the gear oil completely. Install the transmission coupling assembly to the rear differential carrier cover. Rear end lube needs to be the proper viscosity to flow at the temperature extremes so the internal components can be lubricated. Putting thicker lube in is not going to fix the problem. The noise come when extra load is placed on the failed bearing as you turn a corner and the weight of the car changing direction.
Also its a good time to clean the rim and inspect etc. Please excuse the cell phone pictures. When I turn to the left, the noise goes away. Not sure if this will fix the problem??? Motor oil on the other hand does get contaminated by condensation and combustion blow by, which is why motor oil has to be changed. Keep in mind that when one of the bearings gets damaged, the other one is more likely to fail as well since they were both installed the same date and they both went through the same treatment Assuming that they were the original ones. I also need to change the front driver side lower control arm. They're replacing it under warranty.
Rear end gear lube should last the lifetime of the rear end. Do not be surprised to find that the Timken part has a different brand bearing in it. I have not used a stethoscope since I do not own one. You may want to pick one of these up at AutoZone too: or They come in handy to find noise related problems. The rear wheel bearings come with their hubs as well. However, what do you think about my theory? Had the transmission fluid changed also having the mechanic look for metal shaving with none found.