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differentials

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Symptoms of a Bad or Failing Support Bearing
Common signs include unusual noises and shuddering during acceleration.
Symptoms of a Bad or Failing Differential Output Seal
Common signs include whining sounds and oil leaks coming from the differential.
Symptoms of a Bad or Failing Axle Shaft Seal
If there are signs of leakage, puddle of fluid, or the axle shaft pops out, you may need to replace your car's axle shaft seal.
Symptoms of a Bad or Failing Pinion Seal
Common signs include a leaking pinion seal, low fluid in the differential, and a whining noise while the vehicle is in motion.
How Does Traction Control Work?
Traction control is a car safety feature that prevents wheels from spinning on low-grip surfaces. Electric sensors in your car make the system work.
How to Check Your Car’s Differential Fluid
Ever since you got your driver’s license, you’ve been to told to check your engine oil. But what about the fluids underneath your vehicle? If you’ve got a rear-wheel...
How Often Do I Need to Replace My Car's Differential Fluid?
Many folks do not even know what the differential does. It is not one of those common car...
How Often Does My Car Need New Transfer Case Fluid?
A transfer case is a part of a drivetrain system. Its primary function is to engage...
How to Replace a Pinion Seal
A pinion seal keeps oil in the differential and keeps water, dirt, and debris out. A failing pinion seal will leak which can ruin the differential.
How to Replace a Differential Gasket
Differential gaskets seals the differential housing and protects the rear-end gears and axles from exposure to the elements.
How to Replace a Differential Output Seal
Differential output seals prevent fluid from leaking out of the differential, causing the differential to overheat and cause damage to your car.
What is Rear-Wheel Drive?
For the better part of the twentieth century, nearly every vehicle on the road had the engine sending power to the rear wheels. This arrangement makes a lot of sense to designers, with the...
How to Buy Good Quality Differential/Gear Oil
Gear, or differential, oil is used to lubricate the gears in a car’s transmission so that it can shift smoothly and easily. This type of fluid is generally used on standard transmissions,...

Related questions

Question
Cost to replace rear differential on a 2014 Tacoma TRD 4x4?
Billing question was sent to CS for the cost to replace the rear differential on a 2014 Toyota Tacoma TRD 4WD.
Question
I'm being told my rear dif is toast. How does this happen? Is it due to lack of rear dif oil changes or do they just wear out? 2009 VW Tiguan
Hello - your Tiguan is equipped with a Haldex torque-sensing system which directs power thru the differential to the axle (left/right) which has the best traction. Think of the differential as the reduction gears and axle(s) drive, and the Haldex...
Question
when i drive my car i fell it too heavy and when i lifted up i noticed the front right wheel not spin free like the left side
On the drive wheels, which are the front wheels in your case, there will be some resistance to turning because of the connection to the transaxle through the CV axles. If it takes a lot of force though to rotate...
Question
Rear differential problems
If you are getting a noise from the rear end when you put pressure on it by giving it gas then the cause is going to be the ring and pinion bearings most likely. Have the pinion bearing checked where...
Question
Problems removing Dodge Ram rear differential
The instructions for removing the rear differential assembly for your truck as follows: * Position the vehicle on a hoist (or jack stands) * Position a support under the axle assembly * Remove all the brake components * Remove the...
Question
Question
There were 14 different axle, ratio and rear brake combinations for those two years. 1997 and 2001 do not interchange. However, a quick look at the published interchange data suggests that IF the axle, ratio, and brake set up "matches",...
Question
driver side axle repair seal is leaking honda crv 2014
If you are referring to the CV axle seal that is within the side case of the transaxle (i.e., transmission fluid is leaking), the service to request to get that leak repaired is axle shaft seal replacement. It is a...
Question
Does the Transmission and Differential take the same fluid on a Acura TSX?
Hello, I would not recommend to use transmission fluid for the differential. Yes, Acura did use a transmission fluid for the rear differential originally called Z1 but a new fluid (DW1) was formulated and Z1 production ceased. However the fluid...
Question
loud noise from drivers side rear wheel
If a bearing in the differential has failed, the differential has to be opened up and rebuilt or replaced. You just want to make sure that the noise is not from a failed wheel bearing because if you have a...
Question
How much for replacement of rear differential pump? 2006 Ford Freestyle
Hi there - unfortunately, this is not a service YourMechanic.com offers at this time. Thanks for thinking of us though!
Question
Rear differential seems to be leaking. 2001 BMW M3
Hello - there are several possible sources of a differential fluid leak: the pinion seal, the axle flange seals, or the rear differential cover gasket. I recommend an oil leak inspection performed by a mobile, professional mechanic, such as one...
Question
Overflow tube in the front differential is leaking oil constantly on a 2014 GMC Sierra 1500.
Disconnect the vent tube on the differential and blow through the tube on the differential. If you are unable to blow through it, then the differential is creating too much pressure and pushing out the oil through the tube. I...
Question
Front Differential assembly 2010 Infiniti QX56
Hello - "the assembly needs to be changed" seems a bit extreme for a fluid leak. I recommend an oil leak inspection performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose...
Question
My truck wont move at all.
Hi there. Set the parking brake and set a wheel chock in front and behind the front wheels. Then put the transmission in drive and look under the vehicle to see if the rear driveshaft is turning. If the driveshaft...
Question
How long does it take to change rear end on 2003 ford f150
The time depends on whether you are dropping in a pre-assembled (re-built or used) axle/differential or are talking about re-building what you have. To just remove and re-install the entire assembly would require roughly 7 to 11 hours depending on...
Question
2003 Toyota Tacoma, 5spd manual, only moves in 4wd. It turns the front wheels but not the back ones.
Jack up the vehicle and put it on jack stands with all 4 wheels off the ground. Then put the transfer case in 4WD and put the transmission in gear. Check the driveshaft on the rear and see if its...
Question
On highway,didn't know 4 hi was stuck on, weird smell, looked like gear oil or oil was leaking pretty good, seemed to stop in 2wd
Hello, thank you for writing in. Your vehicle is typically rear wheel drive, when you have it in 4-Hi then you are telling the front wheels to engage with the transmission. The fluid is then pressurized and the gears mesh...
Question
Will a bad front ring gear stop 4x4 from working?
Your 4WD will work until the pinion gear cracks or breaks due to the odd wear of the ring gear that has 4 broken teeth. First, recommend that you drain the fluid and fish out any broken metal and debris...
Question
My front wheels are locked when I switched to four wheel drive.
If your transfer case can switch from 2 HI, 4 Hi, and 4 LOW, then there is nothing wrong with the transfer case. There seems to be an issue with the front locking solenoid and it may be stuck in...
Question
Replaced rear seal and now I Only have first gear and my speedamater don't work.
If you replaced the tail shaft seal behind the yoke and had to remove the driveshaft, then it is possible that the transmission vehicle speed sensor VSS is not installed correctly or the harness has been damaged. This will make...

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