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Symptoms of a Bad or Failing Oil Pan Gasket
Common signs include smoke coming from the engine, oil puddles under the car, and lower than normal oil levels.
When Should I Change My Oil?
Engine oil is the lifeblood of your car’s engine. It is used to lubricate all the internal moving parts and help cool the engine. Changing oil is an extremely important part...
What Type of Oil Should I Use?
There are four main types of oil: regular, synthetic, synthetic blend, and high-mileage. The type of oil you choose depends on the make, model, and engine of your car. Refer to...
Symptoms of a Bad or Failing Oil Return Hose
Common signs include cracks or bulges on the hose and noticeable oil leaks.
Symptoms of a Bad or Failing Oil Temperature Sensor
If the temperature gauge gives false readings or does not move, you may need to replace the oil temperature sensor.
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 to Top Up the Oil in Your Car
Regular car maintenance can make a huge difference with keeping your vehicle in good condition. For major repairs and special jobs, hiring a professional...
How to Replace a Low Oil Level Sensor
A low oil light sensor allows you to know when your oil levels are low. A bad sensor won't be able to alert you, causing wear and damage as you drive.
How to Find the Source of an Oil Leak
Oil leaks are a very common problem that affects many car owners. Virtually all modern engines use some sort of oiling lubrication system, and a compromise in...
How to Upgrade to Synthetic Oil
Choosing to switch your vehicle from conventional oil to synthetic oil can be one of the best and easiest choices you can make toward keeping your vehicle in...
How to Add Oil to Your Car
Adding oil is a simple, painless process. To understand how it works, you need to know that oil operates in a closed loop system and is stored...
How Do I Prepare My Car for Summer?
Summer's heat, dust, and stop-and-go traffic will take their tolls on your vehicle. Follow these tips to ensure optimum wellness of your car: Air Conditioning: Have your air...
How to Replace a Front Output Shaft Oil Seal on Most Cars
The oil seal on the front output shaft is faulty when there are unusual noises or leaking coming from the transfer case.
How to Replace an Oil Return Hose on Most Cars
The oil in the engine travels through oil return hoses which fail when there are cracks or bulges on the hoses or oil is leaking from the car.
How to Replace Oil Cooler Lines on Most Cars
Oil cooler lines fail if there are bends in the hose, low oil levels, or oil visibly puddling underneath the car.
How to Quickly and Accurately Find the Source of an Oil Leak
When it comes down to car fluid leaks, oil leaks are among the most common. Degreaser and U/V leak detector kits can help you find the source.

Related questions

I am having an oil leak coming from the bottom and the top of my engine, what could cause this?
Hi there. Most of the time these leaks come from the valve cover gaskets or the upper oil pan area. If the leak is really small, it can be caused by a failure in the PVC system. If the leak...
A lot of oil is leaking out of the oil filter. It just pours out.
Hello. If oil is leaking from your oil filter, then either the filter is not being installed correctly or the oil filter housing is damaged. Most oil filters use a rubber gasket to seal the oil in the engine. If...
I changed the oil in my 2012 Nissan Sentra and now it has no power when I put it in gear.
Your car's engine oil and lubricating system should have no impact on the transmission control function. This may be related to a separate issue such as a faulty transmission control module or low transmission fluid levels. As you may know,...
Car won't start and won't even crank when I turn the key.
You will need to see if you can put a socket on the front crankshaft pulley bolt and turn the motor by hand to see if the engine is free to turn over. Check the oil to see if it...
What might cause the engine oil level to be low without any leakage?
Hello and thank you for contacting YourMechanic. There could be a leak in the engine oil cooler to the radiator or a blown head gasket between the engine oil gallery and coolant jacket. Check the radiator to see if the...
Car started losing oil and wouldn't accelerate
Hi there. From the description you have provided your vehicle's loss of oil needs to be repaired, before you continue driving, or this could result in catastrophic failure. The severe oil leak needs to be diagnosed and repaired, as soon...
Doesn't $800 seem a little high for an oil pan gasket replacement?
Hello. This is less than an issue about the ethics of a dealership service center, and more about the cost overhead of the 2 different business models (dealership and YourMechanic). A dealership has a much more expensive cost structure: building,...
Car is losing power and shaking
Hello. Your intuition is correct. Your vibration is caused by a failing "flex disk", a large rubber and steel "doughnut" which connects the transmission and driveshaft, and acts as a u-joint to allow flexing as the engine and transmission move...
What is the life of differential oil?
Hi there, thank you for asking about your 2014 Lexus RX350. According to Lexus, this fluid doesn't need to be changed until 150,000 miles. It should be inspected every 50,000 miles and if the fluid is dirty it should be...
Regular or synthetic oil
Hello there. Synthetic oil is far and away better than mineral lubricating oil due to the drastic reduction in contaminants that are ordinarily left in refined mineral oil. Synthetic oil can resist much higher operating temperatures without oxidizing and breaking...
Will it hurt my motor to switch from synthetic oil to conventional oil?
Hi there. There are varied opinions about switching from synthetic oil to conventional oil. I am old school and believe you stick with the manufacturer's recommendation for oil type. Nowadays, most conventional oils are a synthetic-blend. I believe BMW recommends...
I have a small oil leak in my car. Is it safe to drive it to work? I only see small puddles in the front area of my car.
Hey there. An oil leak can vary from anything very minor to very major depending on the location and the volume of oil being leaked. Often times, a small oil leak may be present surrounding a major gasket such as...
i have oil leaking from the upper drivers side of my transmission bell housing cannot figure out where it is comming from
It would be difficult to suggest where this oil leak may be coming from without seeing the vehicle. With that said, the fastest way to diagnose this is to thoroughly de-grease the entire area where you suspect the leak originates,...
Mileage per gallon has decreased
Hi there. From the description you have provided, your vehicle's loss in MPG (miles per gallon) has continually fallen over the last 10,000 miles. This could be caused by several things. It could be, the air filter is dirty and...
Car is making a knocking noise when stopping. Other mechanics say it's motor. Some say it's the piston
Unfortunately, there is no way to tell without doing some more testing. The timing and small details about the noises you are hearing may make a huge difference in diagnosing the issue. Lifters will make more of a "clicking"...
Do I risk a car fire? I have a small oil leak in my car.
There is a very small chance that a slight oil leak would cause a complete engine fire. The oil that is leaked onto the engine will burn, and cause smoke as the result, but this is not the same as...
My car is rapidly burning oil
Hi. There could be a possible leak somewhere I don't want you to rule that out. It seems that some of the interal engine parts are worn out causing the engine to burn oil. The only way to fix this...
What motor oil do you recommend 5w30 or 10w30?
Hey there. Your 190E holds 5.3 quarts or 5 liters. The weight of oil is determined by the average temperature of the climate you live in. If the temperature is above 70 degrees Fahrenheit, I would go with the 10w30,...
When do I need to change oil or oil filter
If you have driven your car for more than 5000 miles since you bought the car, then it is time to get the oil changed now. Once you get the oil and filter changed, then you should have the vehicle...
My oil light keep combing on
The oil pressure light on indicates a drop in oil pressure. A cold engine with cold oil will generally have higher oil pressure because the cold oil is thicker. Once the oil warms up, it can get thinner and cause...

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