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

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4
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1answer
217 views

Oil pressure decresases when I step on the gas

I have a 1982 Mercedes W123 with a 2L gas engine. I have noticed some weirdness with the oil pressure and want to know if this is an indication of a problem. Let's say I am driving at 60km/h and the ...
4
votes
1answer
538 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 ...
4
votes
2answers
5k views

I put too much oil in my car, the level has been corrected now but it's still smoking

I put two quarts of oil in my car, then it just started throwing out smoke almost immediately out of exhaust pipe. Drove it home less than a mile, my husband said i put too much oil. So he drained the ...
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 ...
3
votes
2answers
3k views

BMW E30 M20 oil warning light goes on on hot days but the motor sounds and performs fine

The car: BMW '90 E30 320i Cabrio with the six-cylinder M20 engine. The problem: the red engine oil warning light inside the instrument cluster (not the check control) lights up after some driving. ...
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 ...
3
votes
3answers
2k views

how to clean up spilled oil?

I changed the oil in my pickup a couple months ago, and had about a quart of clean oil left in the container when I was done. I don't have a garage or other handy place to keep stuff like this, so I ...
3
votes
3answers
1k views

Do the Check Engine and Oil Pressure lights have any significance when the engine is off?

I should preface this by saying that I'm a relatively brand new driver, and I know next to nothing about cars. I've got a 2005 Chrysler Sebring, and I've noticed just today that when I put the ...
3
votes
1answer
11k views

Revs shooting up when accelerating in high gears

The other day my '03 Ford Fiesta suddenly failed in 4th gear when I changed from 3rd to 4th. My revs shot right up reaching roughly 5000 without any acceleration then after a few seconds the revs went ...
3
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3answers
3k views

Audi A4 (1998) extremely noisy when idle, occasional oil light

I have an Audi A4 1998 with over 200k miles. It gets extremely noisy when idle. It usually doesn't happen until it has been running for a while. Revving above 2000rpm can settle it and it isn't noisy ...
3
votes
1answer
499 views

Should oil be changed every 3000, or 5000 miles? [closed]

I've always heard that the oil in a car should be changed every 3000 miles, but I read the manufacturer's suggested maintenance guide, and it says to change it every 5000 miles. Which is correct, or ...
3
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 ...
3
votes
2answers
2k views

accidentally placed oil in the coolant reservoir in a BMW 325i. How do I fix it and what is the cost?

I accidentally added oil to my coolant reservoir. I have a BMW 325i. The oil light came on and I figured my oil may be low. When the oil was added the oil light warning went off. However, the ...
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 ...
3
votes
1answer
225 views

Why aren't oil drain valves more commonly used?

An oil drain valve is a device that replaces your regular drain bolt and makes an oil change a much cleaner job. When it's time for an oil change, you simply attach a hose to the oil drain valve, open ...
3
votes
2answers
2k views

Oil dipstick with burnt oil on it

That's what my dipstick looks like. Note that it's dry on the picture, there's no oil on it. It has that brownish area which I can't scrape off. I have had the car for a short time and was changing ...
3
votes
1answer
230 views

Cannot Pull Oil Dipstick

Here's a simple, yet frustrating, problem. I cannot check my oil, because the dipstick is stuck fast to the tube. I don't really want to pull and twist so hard that it breaks off.
3
votes
1answer
301 views

Cadillac CTS 2007 3.6 oil consumption

3 months ago I bought Cadillac CTS 2007 3.6 with 31k miles, next day I went to local garage and changed the oil, filters, etc. I have driven 7k miles since and when driving last week car started ...
3
votes
2answers
555 views

Renault 1.4L 16v Oil Dipstick Location

I have a 2002 Renault Clio Mk2 with a 1.4L 16v engine, which I have owned for 6 months. There is a readout on the dash which indicates the oil level when you first turn on the ignition. My sensor is ...
3
votes
2answers
10k views

Which provides better engine flushing, traditional flushing oil or adding a flush additive to old oil?

Background I think that my vehicle would probably benefit from having it's lubrication system being flushed out at it's next oil change. Checking prices of flushing oil at local suppliers I noticed ...
3
votes
1answer
3k views

High oil pressure after oil and filter change

I recently changed the engine oil and filter in my Westerbeke diesel. I gave it the usual (and specified) 4.5 quarts of SAE 30, specifically Chevron DELO. Now when it starts up it reads 80 psi of ...
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 ...
3
votes
1answer
179 views

Oil in Radiator but not in the oil and no smoke or overheating…why and what does it mean?

I just bought a 2005 Nissan UD 245 series truck. It runs well, no smoke, no water in engine but when I open the radiator capp I found a fair bit of oil in the water. I flushed the radiator and filled ...
3
votes
1answer
63 views

Do Compression Rings and Oil Ring Wear at the Same Rate?

Is it possible that the oil control rings might be worn to the point that you're burning significant amounts of oil, but the compression rings still be good? Or do they typically wear out together ...
3
votes
2answers
58 views

Washing shop clothes with lots of motor oil on them

What's the most effective way to wash your shop clothes that have lots of motor oil? I don't want to put it in the washer together with my regular dirty clothes to avoid spreading the oil onto them. ...
3
votes
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 ...
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 ...
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 ...
3
votes
1answer
200 views

Slight dent in motorcycle oil filter: bad for flow?

I replaced my motorcycles oil filter the other day and accidentally dented the outside casing of the new one putting it on. I know its probably nothing, but would this impact the flow of oil through ...
3
votes
1answer
52 views

1994 LT1 350 in a Caprice wagon. Oil getting pumped into the coolant and flowing past the coolant reservoir cap

The engine runs well and the transmission shifts well. The only indication was the oil gauge dropping at a stop light. I immediately put 3 quarts in. There was nothing visible at this time. When I ...
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 ...
3
votes
2answers
66 views

Oil leak should have changed oil not added

I have a Vauxhall antara and the warning light came on for what I thought was low oil so I refilled and checked dip stick and all was fine. I have now noticed oil leaking from my car and on further ...
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 ...
3
votes
1answer
226 views

Cleaning a Jerrycan

I have a couple of 10 Litre steel jerrycans which I used for draining kerosene (UN1223 28sec burning oil) from a tank. After disposing of the kerosene I left the open jerrycans upside down over some ...
3
votes
1answer
4k views

High / fluctuating oil pressure causes?

My girlfriend has a 1997 Pontiac Bonneville SSE (3.8L GM 3800-II, non-supercharged). It ran low on coolant a few weeks ago, and started to overheat. I refilled with coolant, but the next time I was in ...
3
votes
1answer
81 views

Why is this motorcycle burning oil, and how can I get it to stop?

I have a newbie question for you. I'm considering buying a 2004 Yamaha TTR600RE- a single-cylinder, air-cooled dirt-focused dual-sport bike. It's perfectly set up for adventure touring, which is what ...
3
votes
1answer
266 views
+50

Volkswagen Golf MK4 - Oil temperature sensor coding out

I have a Volkswagen Golf MK4 TDI 85kw (AJM). After driving for a while and stopping, when I turn the ignition on I get an "Oil sensor workshop" message. After connecting VCDS I got this fault: ...
3
votes
1answer
99 views

Does VW T40057 drain all 6 litres of oil in 2008 Jetta 2.5L?

I came across the mention of the VW T40057 tool, that can be attached to the oil filter housing, and lets you drain the oil without creating a mess. However, it's not very clear whether or not this ...
2
votes
3answers
5k views

Blue-ish smoke coming out from the exhaust

I have a VW Golf mk4, 1.9 TDI from 2001 with 230.000+ km on board and for some time now I have blue smoke coming out of the exhaust. The problem aggravates when I'm stuck in traffic or when the ...
2
votes
3answers
3k views

Are Oil Puddles in Cylinder Head Normal?

Changing spark plugs and one well was full of oil. I took off the valve cover to replace the gasket and noticed that there was quite a bit of oil puddled in the cylinder head. Is this normal or could ...
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. ...
2
votes
1answer
26 views

Damage from the Brief No Oil Pressure after Oil Change on Start Up

I was taught to fill the oil filter most of the way when doing an oil change. Usually, by the time I put the oil filter back on, I'm pretty annoyed and just put the empty filter on. I do put a light ...
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 ...
2
votes
2answers
516 views

Rounded Oil Drain Plug Dodge RAM

I am changing the oil on a 07 Dodge Ram 1500 with a manual transmission. First surprise was the filter that required a wrench to take off. Second is the oil drain bolt is skipping a lot, I can't get ...
2
votes
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 ...
2
votes
2answers
117 views

1999 Toyota Corona burning through oil in a week

I have a 1999 Toyota Corona with a D4 engine. The engine is giving me trouble and seems to be burning all the oil. It burnt through in about a week (after topping it up completely), and I say burn ...
2
votes
2answers
775 views

Grey smoke when idling 1999 GMC Suburban, coolant system pressure loss

The most recent update is at the bottom. This looks interesting. The Smoke I'm confident the smoke is from burning oil. It's slightly blue, absolutely not white. If the engine is warm and I am ...
2
votes
1answer
173 views

motorcycle oil for m50B25TU (BMW E34)?

I just bought an e34 from a friend and he said he uses liqui moly racing synth 10w-50 for the engine. My mechanic was quite surprised when I told him and said I shouldn't use that, instead use real ...
2
votes
1answer
5k views

How does low oil level cause misfires or VTEC malfunctions?

So a few days ago my 2003 Honda Civic EX started misfiring while accelerating, especially with the A/C turned on, making popping noises, and then yesterday got a P1259 "VTEC system malfunction code". ...
2
votes
2answers
81 views

15k mile oil filter

I have been using M1 in my jeep since I bought it with 22k miles on it. I now have 31k and i am thinking about getting M1 Extended Performance which is supposed to last 15k miles between oil changes. ...