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Symptoms of a Bad or Failing Differential Gasket
If you find traces of oil on the underside of the differential, puddles of fluid, or whining sounds, you may need to replace the differential gasket.
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 Front Output Shaft Bearing
Common signs include a noisy drivetrain, excessive vibrations, and oil leaking from the transfer case in all-wheel or four-wheel vehicles.
Symptoms of a Bad or Failing Headlight Door Motor
If the headlight doors are stuck open, stuck closed, or make a grinding noise, you may need to replace the headlight door motor.
Symptoms of Bad or Failing Spring Insulators
Common signs include the vehicle bottoming out, excessive road noise, grinding noises while turning, and damage to front tires and brakes.
Symptoms of a Bad or Failing Transfer Case Output Shaft Seal
Common signs include difficulty shifting gears, grinding noises coming from underneath the vehicle, and jumping in and out of four-wheel drive.
How Long Does a Drive Belt Tensioner Last?
In order to keep the proper tension on your vehicle's serpentine belt, a drive belt tensioner is used. This is a pulley that is either mounted to an adjustable pivot point...
How Long Does a Differential / Gear Oil Last?
The differential is normally located at the rear of your vehicle and underneath the car. It is essential that it stays lubricated with differential or gear oil for it to work properly and...
How Long Does a Timing Cover Last?
A timing cover protects parts such as the timing belt, timing chain, and gears inside of your vehicle. They are made from either plastic, metal, or a combination of synthetic materials....

Related questions

Tires spun and car won't go forward
Hi, thanks for writing in. Usually, when you hear a clunking sound after the wheels were spinning it means that either the front drive axle was stripped or there is damaged inside the front transfer case. If the wheels spin...
The car won't start
Hello. I'm guessing your battery is shot. What you are smelling is likely your battery. Does it look like it's swelling? If so, it is toast. Be extremely careful when replacing it because when a battery gets to this point,...
Metallic grinding sound - 1999 Dodge Ram
Set live and also sent to CS.
Starter grinding
Hi, thanks for your question. It sounds like the starter bolts may not have been tightened properly or the starter could be faulty as a new part. I would recommend retracing your steps to make sure that the starter was...
There is a sound noticed when fully turned position in both right and left and forward and backward direction. Grinding sound.
Good question and you are correct. It sounds like it is your power steering pump. There is only one noise a bad power steering pump makes, and no other part will make the same grinding noise as the power steering...
Too Much ATF?
Hello. The shop you took the car too is absolutely correct. Your transmission is like your brain, if anything goes into it that may be foreign will fail. Your engine is like your body. You can add things to it...
Left back is grinding and wobbling like crazy, what could it be?
Hi, thanks for writing in. So long as the wheel and lug nuts are tight, the most common cause for grinding is worn brake pads or shoes, depending whether your vehicle has rear drum or disc brakes. When the brake...
Whining when accelerating and slight grinding when letting off the gas.
Hi, thanks for writing in. I don't wish to 2nd-guess, but your symptom description suggests that either the differential or the transmission may have been run low on fluid, but was refilled after a couple of weeks? Not clear on...
Rim too hot
Hello. It sounds like the front wheel bearing or brakes are grinding. The vehicle shouldn't be driven until the front end is checked to find out the reason of the grinding. The wheel bearing is bad or the brakes are...
Start up problem - 2001 Jeep TJ
Hello. The clicking sound you are hearing may possibly be related to the starter solenoid which is a unit located on the starter that transfers current to the starter when you turn the key. The grinding noise you are hearing...
Grinding noise from back of car
Hi and thanks for contacting YourMechanic. It seems that your vehicle has a wheel bearing that is grinding causing the noise that your are describing. Raise up the vehicle where the rear wheels are off the ground and the front...
Brake fluid was recently bled/flushed and the brakes still feel like they are grinding
Good question and thank you for the details. I want going to go through some things you may want to check and hopefully save you some money. If you come across a problem in any of the areas you will...
My truck is making a grinding noise and having trouble in reverse
The first task would be to determine, based on whether you have a two- or four-wheel drive vehicle, where exactly the noise is coming from. If you have four-wheel drive, there are a number of possible sources other than the...
Car makes a grinding noise when moving forward but nothing while you're moving backwards
There are a few things that could be causing your grinding noise. Typically this is a sign of worn out wheel bearings, but that can also happen in reverse as well. It's possible that you have a transmission issue or...
A horrible grinding sound coming from somewhere in the gearbox/ under the hood
I would certainly check the gearbox fluid level first - this is easy to do. If the fluid is very low, damage may have already been done to the gearbox, given your advanced mileage. If you press the clutch pedal,...
Car is making a grinding noise and brakes pop when turning and braking
Hello, thanks for writing in about your 1999 Chevrolet Tahoe. From what you've described I believe you have a problem with your brakes. Screeching and popping could all be due to brakes pads being metal to metal. You need to...
What is causing my vehicle to "roar" when I turn right?
We need to start by addressing the repairs that were just made. If the noise started after the brake replacement, there is a strong possibility there is a correlation between the two. Think about the components that were just worked...
Could my water pump be going bad if my car hasn't over heated yet?
Hi, thanks for writing in. First look to see if there is any coolant leaks at the water pump. I use a sound stethoscope to listen near each pulley to see if the noise can be isolated. Then I would...
Engine noise when accelerating
Hi. There could be a couple of things causing this noise. There could bring a bad bearing in one of the idler pulleys for the serpentine belt. The serpentine belt tensioner could be going bad causing the noise you hear....
Engine wont start
It sounds like you may have experienced some internal transmission damage. This vehicle is a front wheel drive car so the transmission is in the front of the vehicle rather than under the front seat. Due to the placement of...

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