This tag should be used for anything related to the use of automotive engine oil, or in reference to other parts of the car that also require lubrication using oil.

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527 views

'92 Toyota Corolla with a oil leak

My 1992 Corolla is leaking oil when driving then pools while parked. Already checked the oil pan and no leak. Where else could it be coming from?
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1answer
577 views

Check Oil Light Stays on for 20+ Seconds When 2004 Trailblazer Starts

Lately, my 2004 Chevy Trailblazer has been displaying the "Chk Oil" light when the vehicle first starts up for more than 20 seconds - much longer than the normal dash light test. Then is turns off and ...
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1answer
15 views

What oil should I use for Hyundai Sonata 2004?

What oil should I use for this car? How do I know when I should change the oil for my car?
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1answer
36 views

Do additives within oil separate?

Draining excess oil tomorrow and wondering after leaving the car overnight will any additives within the oil separate sinking to the bottom of the sump? If so how long of a drive should I take it ...
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1answer
44 views

How can I empirically evaluate the condition of my used motor oil at home?

I changed my oil recently, and my careful scientific observation led me to discover that it was black and a bit runny. Not clear golden like new oil, but neither tarry sludge like a ...
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2answers
59 views

Oil on radiator cap what could be the cause for that?

I have recently discovered that there is oil on the radiator cap. I am driving a Toyota corolla with 4A engine which is automatic. What could be the cause for that?
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2answers
98 views

synthetic oil change frequency

2004 VW Jetta GLS: always using full synthetic oil (Castro Edge 5w30) how often should the oil be changed? Can't find my manual or info online.
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1answer
89 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. ...
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1answer
193 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 ...
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1answer
57 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 ...
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1answer
44 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 ...
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2answers
2k 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 ...
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1answer
308 views

Does non-synthetic 10w30 motor oil contain sulphur?

I ask this question as I plan on using 10W30 motor oil in my Jeep's manual transmission and need no sulphur added to the oil so that it is "yellow metal safe". I'm not looking to start a discussion ...
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1answer
403 views

2004 Buick Ranier Oil Filter Location

Changing my oil right now, but can't seem to find the oil filter on my 2004 Buick Ranier V6. Any ideas? I don't have it up on stands
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1answer
150 views

Can a crimped or improperly-routed turbo oil return line cause smoke?

After my car runs for awhile, it starts intermittently blowing smoke out of the exhaust, and from under the hood (near the turbo, but it's difficult to tell exactly where it's coming from). Problem ...
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1answer
125 views

Difference between mineral engine oil and synthetic engine oil [duplicate]

I would like to know the exact difference between mineral engine oil and synthetic engine oil. Why is it advised to use mineral oil for the engine when the bike is new and later switch to synthetic ...
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0answers
33 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 ...
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2answers
2k views

Nissan Pulsar ST1.8 oil filter change

First time replacing oil filter and oil. I've drained the old oil from the oil tank and I now want to remove the existing filter. For the life of me, it seems as though the filter is in the most ...
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1answer
175 views

Does a low oil level mean some synthetic has converted to sludge?

In a 2008 Jetta, 2.5L petrol engine, I started driving more on the highways, and taking longer trips, and noticed a much better mileage than the prior driving that was still mostly highway, but ...
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2answers
467 views

How often to change oil if vehicle gets under 1500 miles per year? [duplicate]

For non-synthetic oil, how long can you go without changing the oil if you regularly only use a vehicle a couple times per month, for 30 miles per drive? That's a total of only 1000-1500 miles/year, ...
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1answer
55 views

Do ester-based oils less or more likely to disappear from the engine? [duplicate]

It is known that some oils are eaten up by the engine, at a rate of up to 1L per 1k miles or so. Are ester-based oils (like Redline 5W40) less or more likely to disappear from the oil pan after going ...
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1answer
719 views

Nissan Micra oil leak

My Nissan Micra is a 51 usually a good runner however today after work on my way down the main road which is 60 my car would not gain speed. It would only reach 40 at a push. When I’ve arrived to my ...
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0answers
8 views

use SAE80W/90 instead of EP90 [duplicate]

Can I always use SAE80W/90 API GL5 instead of EP90 for my good old Masport lawn mower's gears? I can't get EP90, which the manual asks for, anymore. ...
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1answer
157 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 ...
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1answer
8k views

What happens if petrol is used in a diesel engine?

The question is asked for various proportions : - 10% of petrol - 50% of petrol - 100% of petrol in a diesel engine. PS : not a duplicate of What happens if unsuitable oil is used in a vehicle ...