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When Should I Change My Oil?
Changing oil in your car needs to happen at specific intervals. Oil change intervals vary, but it's best to change oil every 3,000 to 7,000 miles.
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 Replace the Oil Temperature Sensor on Most Cars
Oil, as well as the oil temperature sensor, is crucial to the engine lubrication system. A bad sensor can lead to leaks and poor vehicle performance.
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

Question
I have oil leaking onto my spark plugs.
Once the ignition coil is removed, if there is oil all over the rubbed boot that covers the spark plug and you see oil in the plug well then it is likely the valve cover gasket is what is causing...
Question
I got a diagnostics back from firestone as I went to get my oil change. I was told the belts were soaked with oil from an oil leak
Hello, thank you for writing in. The belts are designed to be clean, dry, and tight. There are no products or aftermarket sealers that will keep the oil from negatively impacting the drive belt. With that being said, you may...
Question
SMELL BURN OIL RATTLING SOUND WHILE DRIVING 30 MPH
The odor of burning oil may be due to an oil leak onto a hot engine part such as the exhaust manifold. If the leak is at the valve cover, distributor o-ring (if equipped) or a like point that is...
Question
Can I temporarily fix a burnt exhaust valve seal on my 2002 Subaru Legacy
Hi there. If you have a failure in one or more valve seals then that can cause the engine to burn a lot of oil. If this is the case then the valve stems need to be replaced and possibly...
Question
Would an engine problem cause my slip indicator to come on in my 2010 Toyota Highlander
Hello. It sounds like you have two different issues going on. The slip indicator will come on when there is a traction control issue or when there is a malfunction in the system. Most of the time this is caused...
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
Car stalls when merging on the freeway.
Hello there. Quite often multiple symptoms will pop up that might be a possible cause of a mechanical defect or problem. I think this is the case here. If you are leaking oil (as you've stated, a lot of oil),...
Question
What is when see an oil leak under car?
Hi there - there are any number of ways an engine can leak oil while running . The front crank seal, valve cover or timing chain/gear cover gaskets are common leak points. The most susceptible to leaking under running oil...
Question
Leaking oil and smoking but temp gauge isn't moving - smells like burnt rubber 2004 Ford Freestar
Hi there - your symptoms describe 2 problems, unrelated to each other. The burned oil smell is likely a leaking gasket, most likely the valve/cam cover gasket. It would leak down onto hot exhaust, causing the smell and light smoke...
Question
My car's shaking and losing oil fast, what's going on
Hello, thank you for writing in. The shaking is likely caused by a misfire and engine error. You may also be dealing with multiple issues at once, or the oil leak may be causing the running issues. If the spark...
Question
Mazda RX8 creamy oil
Hello, thank you for writing in. All oil can accumulate water and moisture over time. Typically this is happens when the vehicle sits, is not getting up to operating temperature for long enough to burn off that moisture, or happens...
Question
I have a 2000 Toyota Corolla. I keep losing oil and it's not leaking on the ground. I changed the spark plugs and found oil on the
Hello, thank you for writing in. While there are several pathways for oil to get to the spark plugs, the most common is the valve cover gasket, and the o-rings located in the spark plug wells. One or both of...
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
Told oil separator in 2009 Volkswagon EOS is clogged and needs replacing. Should an oil change be done also at time of repair?
Hello, thank you for writing in. The oil should be changed at the same time as the oil separator is replaced. The separator is not located in a place where the oil needs to be drained to access it, so...
Question
My timing cover is leaking, and the guy that is working on my car told me that it doesn't really need to be fixed, Just check oil 2007 GMC Acadia
Hi there. Well, to be honest - I wouldn't recommend working with this mechanic much longer. Although a timing cover leak usually just causes oil to drip on your driveway, the reality is that it leaks because either the gasket...
Question
My Check Engine light came on and now I'm having problems with the motor oil, it leaks. 2007 Kia Spectra
Hello - the first task is to see what problem codes are set, causing the Check Engine light to come on. Check oil level as well. Hopefully, the oil leak is not the root cause of the Check Engine situation....
Question
IJust changed the pressure hose for the power steering and I still have a leak.
Check the power steering system to see where the leak is coming from. The leak could be another hose, a fitting that is not tight or loose, the reservoir to the power steering pump could be cracked, or the system...
Question
the engine has a melattic rattleing sound and oil leaking
Hello, thank you for writing in. The noise may be related to the oil leak. Low oil pressure and lack of lubrication to the engine causes a large number of engine components to wear quickly and rub when they should...
Question
Seeping rear right axle seal
Hello, thank you for writing in. Apologies for the difficulty in obtaining a quote. Smart Cars are a little harder to price out, and our website may not have been automatically able to do so. The average price range for...
Question
Oil leaked out, van ran hot and radiator had a leak oil was splattered everywhere and backed up into the coolant jug 2002 Ford E350 Super Duty
Hello, thank you for writing in. The first issue that comes to mind is a blown head gasket. This would allow the coolant and the oil to mix, but less often results in an exterior leak. This means the head...

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