Hydrocarbon based petrochemical used to lubricate components of an internal combustion engine.

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32 views

Are More Recent API Oils always “Better”?

The API ( American Petroleum Institute ) provides certifications for engine oil. Such certifications range from SA for 1930's era vehicles up to the current standard SN. The above linked document ...
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3answers
593 views

Old Cars Burning Oil: How much is too much?

I've heard that it's "normal" for older cars to burn a certain amount of oil and that it's not really a problem. My question is how much is too much? At what threshold does burning oil become a ...
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1answer
62 views

1993 Ford Taurus 3.8

I have a 93 Ford Taurus. There is a lot of oil in the radiator, but no water in the oil. The oil was close to 3 quarts low. I've never seen where there was oil in the water, but no water in the oil. ...
3
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1answer
48 views

Why is the oil pan plug not at the complete bottom of the system?

I've noticed on my Jeep TJ, and my mom's Prius that the screw plugging the oil pan is not at the absolute bottom of the oil pan, but offset. I know that the small amount of oil that gets trapped due ...
4
votes
1answer
159 views

How far can I drive with too much oil?

I have 2005 Nissan Sentra. The car tends to leak oil, so I check it about twice a month. I checked today and the oil was probably an inch above the full line, but I'm not sure why. I got the oil ...
4
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1answer
459 views

2015 STI White smoke

My 2015 Subaru WRX Sti is emitting white smoke from the exhaust. The smoke smells like burning electronics. When I pull over and open up the hood, I also see white smoke in the engine bay. The smoke ...
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1answer
113 views

added too much oil [closed]

I added too much oil to my 97 civic lx, drove it about 30 miles. It started to overheat and antifreeze started to leak from somewhere. I drained the excess oil, which looked brown, and started it and ...
9
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3answers
163k views

Will Putting An Extra Quart of Oil In My Car Ruin It?

I put too much motor oil in my car's motor. About a quart - have I ruined my car? I've been driving it. I know I need to get the oil drained. But I'm worried that I've ruined my car which has been ...
4
votes
1answer
224 views

My car doesn't leak oil but I have to tap it off every 500 miles

I am in a really weird situation. I have a BMW 325i(2002). I bought it second hand and I have been driving it for 5 years. Now, lately I have been having to tap my oil every 500 miles with 2 quarts. ...
3
votes
2answers
132 views

Do I really need to care if my car burns oil?

My car, a 97 Mazda 323, burns about a liter of oil per 1000 kilometers, mostly start and stop city driving. Sometimes I see a puff on start-up and sometimes I see smoke while accelerating, but it's ...
4
votes
1answer
539 views

What could cause Oil Pressure light flickering

We've had one of the coldest winters in Michigan lately. Usually my car (2001 Buick Regal) is a trooper in the cold weather, but the other day as I was leaving work, I noticed a blinking light on my ...
2
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4answers
3k views

Is starting idle RPM always lower in colder temperatures?

I've noticed that my 2008 Jetta 2.5L 5W40 generally starts up with an idle RPM of at most 1.2K RPM around the freezing temperature (say when the temp sensor reads 33°F), or even at just about 1K ...
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votes
2answers
2k views

Ticking noise when accelerating

I have a Vauxhall Corsa "C" (2003)(EU) which is a standard 16v 1.2 petrol, the engine is chain driven and sits at 50k. I don't think it was well looked after (service wise) in previous lifes. ...
2
votes
2answers
98 views

2004 Subaru XT under powered and smoking after oil change

Over the weekend I traveled home and back: about 140mi each way. About half way there the engine light came on, and, realizing it had been about 4500 miles since my last oil change, I added oil to the ...
3
votes
1answer
100 views

Oil Level Citroen C1

Hi I've got a Citroen C1 1.4HDI rythym. I think that the engine oil is filled too high. I checked the oil after letting the car heat up and having it on a level surface. I took it to a garage where ...
2
votes
1answer
111 views

03 Ford Escape V6 Oil/Coolant/check fuel cap lights

I just had my oil changed and had coolant put into my car a few days before Christmas. Also, bought a new fuel cap the same day. All of these lights are still on and I have no idea how to make them go ...
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vote
1answer
41 views

can not get the oil plug out

I was going to change my oil on a 2000 Chrysler Town and Country van. When I loosen the plug it just keep turning and turning, and I can not get it out. So is it stripped out and if it is, how do I ...
22
votes
4answers
35k views

How far can I drive with 1 gallon too much oil?

I have way too much oil in my Acura TSX. Do I need to take care of it without turning it on or can I drive it to a service station? If I need to do it in place, I don't have the ramps or a pan or ...
3
votes
1answer
930 views

Mechanic Troubles And A Small Watery Oil Leak

My car is a 2005 BMW 525i E60 with about 180,000km on the clock. It has been well looked after and serviced. I don't get dealer services, but go to a mechanic who has always been good and uses the ...
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0answers
23 views

Is it ok to use a different oil in my LPG Suzuki? [closed]

I have a Suzuki Liana 2002 with LPG system (lovato). I use this lubricant (which I was told to by the guy who installed my system) this is what I use Unfortunately it costs a lot. I saw there was ...
1
vote
1answer
31 views

Oil specification for my gasoline powered generator

Does an oil with an API Rating of SN (the most current) meet the standards of all proceeding ratings (SL/SJ in particular). The generator specifies "SL/SJ" but I'm having trouble finding it. Can I use ...
5
votes
3answers
7k views

Grinding sound during cold start?

I have a 2009 Honda Accord. Over the past several months, I've noticed a grinding sound immediately after cold-starting the engine. It only lasts for a fraction of a second, doesn't continue once ...
3
votes
2answers
414 views

MINI Cooper Oil Leak

I bought a 2007 MINI Cooper 8/27/14. On 9/9, as I drove to work, I noticed smoke coming from the back & front of the car. When I drove home late that night, the car was not smoking. After that ...
2
votes
1answer
209 views

Non LSD oil in a LSD

I recently changed all the oils in my land cruiser BJ40, including the rear differential which has a limited slip dif with apparently something called a power trax traction system. I put in normal ...
3
votes
1answer
94 views

Oil level is lower after a few hours' cool down than immediately after driving

After I shut off my engine and check the oil, it is over the full mark on my dip stick. When I leave the engine to cool down about 5 hours, the oil level is below the full mark on the dip stick. This ...
2
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1answer
73 views

How many ml between L and F (Oil)

When I changed my oil last I was just above the Full mark, 5000km later I'm at the Low mark. I won't have time to change the oil until next week so I topped it up. My question is how do you know ...
5
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2answers
25k views

Oil in coolant - how much trouble am I in?

I have oil in my coolant reservoir. Could it just be the head gasket or is it almost certainly the entire engine or might it be something else entirely? Thanks in advance...
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votes
3answers
9k views

Is an “oil life indicator” a reliable indicator for when to change the oil?

I have a 2014 Honda Pilot with 3600 miles on it. Historically I have always changed oil in my vehicles every 3000 miles, using good quality non-synthetic oil. Now this Honda has an "oil life ...
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0answers
63 views

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in “w” units please

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in "w" units please i need to add oil and I cannot find a good reference as to what to use - the oil at the garages are 20 ...
2
votes
1answer
82 views

Huge oil leak but plug still there

Just had an issue with my 2008 4runner. The engine light came on, and so I pulled over and checked the oil level. It seemed to not have any, so I added a quart. I looked under the car and saw that ...
2
votes
1answer
254 views

Should you put thicker oil in an older vehicle?

I use 5W30 for my 2007 Toyota Tacoma, which has about 120K mi. Someone told me that I should put 10W30 because the vehicle is "not very new". Is that a good approach? I've never had problems with ...
3
votes
4answers
5k views

Replacing oil sump plug washer after every oil change

As the title says, does the oil sump plug washer need to be replaced after every oil change, or can they be reused? Background - my 2005 Daihatsu Copen needs an oil change every 3000 miles. I have ...
5
votes
2answers
4k views

Oil leak when parked on steep incline

The other day I parked my car, and came back a couple of hours later to see a massive oil puddle under my 1994 Corolla. This was the only time I had ever noticed that much of a leak, and I realized it ...
4
votes
1answer
4k views

Oil leak - just keep refilling?

I have a 1995 Honda Accord with over 170k miles on it. I have the oil changed regularly every 3000 miles. My mechanic noticed the oil levels were pretty low at each oil change and took a deeper look. ...
2
votes
2answers
171 views

What are the effects of using HD-30 in a car which takes 5W-30?

I recently changed my oil, and I didn't have quite enough oil to top it off so I used HD-30 oil for my last .7 out of 4 quarts total. My car normally takes 5W-30 and after a little research I figured ...
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vote
2answers
194 views

Motorcycle stalls shortly after starting

I have a BMW 2008 F 800 st and the oil looks watery. It stops pretty frequently after riding it around the block. When it stalls, after some hesitation, it will start again. I need an unbiased answer ...
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vote
2answers
981 views

What are the reasons to mix oil & coolant?

Frontal impact vehicle is there fan motor touches the oil cooler,oil cooler slight impact is there, in coolant tank oil and coolant mixed, what are the reasons to mix the coolant and oil in this ...
2
votes
0answers
22 views

2001 Pontiac Grand Am - Oil in coolant

I just bought my car from a owner I noticed there was oil or what looks like oil in the coolant there is no coolant in oil and car doesn't over heat. It's a 2001 Pontiac Grand Am with 230,000 miles ...
2
votes
3answers
231 views

Hyper-miling and stress on engine oil

The other time I asked my mechanic, are my tyres about needing to be changed? He said, naw, another 8000 miles. After driving 7000 miles, I asked another mechanic who again said, long way to go. ...
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0answers
12 views

Oil in coolant reservoir [duplicate]

I have a '99 olds bravada, noticed it leaking green coolant so when I looked in reservoir I looked like oil floating at the top. Why and how did oil get into the coolant reservoir? And what might it ...
3
votes
2answers
2k views

How to understand different engine oils?

When I went to shop for engine oil, I found many types as such: 5W-30 A5 5W-30 A1 5W-20 SAE 5W-30 10W-30 Also I see other information such as: Fully Synthetic Semi Synthetic Oil Synthetic ...
2
votes
1answer
737 views

What causes mud in my radiator?

Ive changed my oil about one month ago but just recently my check oil light has started coming on and I started losing my heat. I thought I might just have low antifreeze but when I opened my radiator ...
0
votes
1answer
131 views

Motor Oil in Coolant Reserve [duplicate]

2004 Mercedes E500 - Yes, I am sure of it. In a moment of stupidity, I added about 8oz of motor oil to the coolant reserve. I have heard nothing will happen and I've also heard it can mess up the ...
2
votes
2answers
205 views

What are the temperature ranges for different oil grades?

I was reading up on oil grades in wikipedia and was wondering what the operating temperatures are for the various oil grades. I'm wondering since the area I live in is a pretty Mediterranean climate ...
3
votes
2answers
3k views

Lots of oil in radiator, but no coolant in oil and oil is not low

Theres oil in the radiator and the overflow tank of my 2002 GMC Envoy. The oil is fine, and has no water in it. The SUV gets regular oil changes, and the oil presure is fine. Water temperature is ...
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vote
1answer
1k views

What is the difference between a 2T oil and a 20-40 oil

I know a 2T oil is used in 2stroke bikes and its sometimes added with the fuel too. And a 20-40 oil also known as the engine oil is used to reduce the wear tear in the engine. I'm looking for a ...
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vote
2answers
725 views

Massive oil drop in the course of a few days

A few days ago i posted a question about the dealer reporting some oil spillage/leakage but that it passed the mechanical test. I checked the oil level of the car from my 80 minute drive home and it ...
6
votes
2answers
3k views

Is topping up the oil enough of an oil change?

If you use synthetic ester-based oil in a relatively new petrol engine, top it up regularly, and the engine runs very quietly and basically without any noise whatsoever (especially after another top ...
0
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0answers
168 views

Engine light in Seat ibiza 2001

Occasionally the engine light is burning when turning on the engine. It doesn't always show though and I don't own this car long enough to see a pattern. If the engine light shows it doesn't go away ...
4
votes
3answers
22k views

Why check oil when engine is at operating temperature?

The owner's manual to my VW Golf Mk7 states With the engine at operating temperature, park the vehicle on a level surface to ensure that the engine oil reading is correct. Why is it important ...