Often the first job for an amateur mechanic. Questions regarding changing the engine lubricant oil, or problems resulting from doing so.

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3
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1answer
35 views

I changed the oil and might have put too much in. What do I do?

I just bought a Subaru Baja 2005 and decided I needed to change the oil. I got the right oil and filter and got my mom and younger brother to help me. We drained the oil and tried to take off the ...
6
votes
2answers
73 views

Excessively over filled motor oil. Ran for a few seconds until smoke came out. Now my car won't start

So last night me and a friend changed the oil on my 2005 Chevy aveo. The only problem was that what we were draining was the transmission fluid and long story short we ended up adding about 6 litres ...
6
votes
1answer
59 views

In Canada, would doing my own oil change void the warranty?

I'm looking to see if someone can confirm that changing the oil on my car will not void the warranty (I'm in Canada). Links for proof would be nice or get an idea where to look for such things. This ...
5
votes
2answers
82 views

Can engine oil type cause a car to overheat?

I own a Peugeot 405. At first I was using 20w-50 engine oils but The last time I went for changing the engine oil I used 10w-40. After that The engine temperature rises constantly and (even when it's ...
5
votes
1answer
47 views

How do hybrid's with all-electric mode typically handle oil changes?

So, I'm researching getting a Ford C-Max Energi. It fits well with my commute range (approximately 20 miles a day). I understand that after the battery is depleted, a conventional motor kicks on and ...
3
votes
0answers
56 views

Found small debris in used oil

After I changed the oil on a 2007 Toyota I found debris in the bottom of the used oil container. I used a magnet to test and found the debris to be non-metal. Considering the car age is this normal ...
4
votes
3answers
80 views

Engine oil refill volume in Bajaj Pulsar 220

My bike's user manual recommends using 1150ml of "Bajaj 10000" 20W40 1.2 litre engine oil. Needless to say it results in pathetic performance. So I am thinking of switching to Motul 5100 15W40 ; ...
5
votes
1answer
73 views

Audi A3 2001 1.9 TDI ASV - which motor oil to use?

Which oil I should use? I have no reference guide in which I could tell what kind of oil to use. I live in Slovenia where lowest temperature is around -15°C and the highest at around 40°C. The thing I ...
5
votes
3answers
130 views

Why does my garage insist on using an engine flush when changing the oil?

My car handbook lists what should be done at each service, and it does not say “engine flush” should be used. The main dealers don’t use it. Yet most small garages seem to insist on using it at ...
3
votes
1answer
35 views

Effects of loss of oil pressure after oil change [closed]

I'm curious some people say change oil every 3k miles, 6k, 10k and some even every 20k. What seams best for the engine and give the best protection would be the shortest interval 3k however I ...
4
votes
1answer
60 views

How often should I change my Nissan Sentra's (2012 model) oil?

I have a 2012 nissan sentra. Here is the manual. I looked into it but it doesn't seem to indicate the frequency of which I should change the oil. It does mention that the oil change light indicator ...
7
votes
2answers
153 views

Okay to add new oil to old?

Title pretty much explains, I change my oil every 4-6k miles depending on how generous I’m feeling, however will the oil dirty oil that’s already in the sump mix with the clean oil when topping up? ...
2
votes
1answer
37 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?
0
votes
1answer
54 views

Unable to remove oil drain screw

Ok first oil change I've ever done the plug will not come out? I used a bar cheater bar it turns and turns but will not come out. what do i do? I deliver pizza I need this vehicle. Its bad enough I ...
8
votes
3answers
884 views

What actually happens when there is way too much oil in a car engine?

I saw the answers to a question I posted recently highlighting the disadvantages of having too little oil in an engine, but that got me wondering what if the complete opposite were to occur! I know ...
32
votes
9answers
26k views

What actually happens when there is not enough oil in a car engine?

When a car is topped up with oil, it clear to most people that you are supposed to fill it to the recommended amount as specified by the manufacturer (normally on a dip stick). What exactly are all ...
5
votes
1answer
105 views

I used 0W-30 instead of 0W-20. Is it serious?

I have a Nissan Sentra 2014. I wanted to start using full synthetic oil, and the manual said I should use 0W-20. I changed both the oil and the filter (I used this one), and after finishing I realized ...
8
votes
1answer
228 views

A lot of smoke coming from exhaust after oil change (mixed old with new oil)

I put new oil in my nissan earlier today (5w-30) and as I was driving I started to smell what I thought was burning oil, and I noticed behind me excessive amount of smoke while driving. I went from ...
1
vote
1answer
47 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 ...
3
votes
1answer
91 views

Oil overfill problem/oil foaming

Changed my oil today but like a fool overfilled when topping up, I did not notice this at first as I have a strange dipstick and fresh oil is pretty difficult to spot however I overfilled by around ...
4
votes
1answer
255 views

What are the effects of excessive oil changes on an oil pump? (read description)

I would like to know what the effects on an oil pump are when oil is changed. Obviously after changing the oil filter the engine will run dry without oil pressure for the first few seconds while oil ...
6
votes
3answers
318 views

Car stored for 6 months shows low oil level after 300 miles

Just bought a car from a BMW dealer and the guy told me it was sitting for almost 6 months before I came to purchase it. When I left the dealership the oil was above the min mark showing green. Drove ...
2
votes
2answers
102 views

Filled oil with 10L - the car now has problems with the engine cutting out or badly vibrating the car

My husband added 5L of oil to the car, he was told to add another 5L. Now the car makes a very loud sound almost like a vacuum. The car switches itself off when started. Speed picks up very slowly ...
3
votes
1answer
76 views

How do I find out the proper torque number that I need to apply to an oil filter?

I am hearing mixed opinions how much should I tighten an oil filter. Does it depend on car or filter type? How do I find out the proper torque number that I need to apply to an oil filter? Thank you. ...
1
vote
1answer
51 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 ...
0
votes
1answer
42 views

How many liters of oil do you use for servicing?

Honda Accord 2003 V6 service maintenance?
3
votes
1answer
192 views

A way to tell if mechanic used synthetic or organic oil?

I brought my car to a mechanic and asked for synthetic oil change. However, now I have realized that mechanic has put a new sticker in my windshield that states that next oil change is due in 3000 ...
4
votes
1answer
34 views

Oil pressure low on an 84 Ranger

I've recently changed the oil and filter on my 84 Ranger 2.8L V6. I used 10w-30 dino oil and filled it in range on the dip stick. I noticed that after I changed the oil, the oil pressure gauge (on ...
1
vote
1answer
764 views

TVS Apache RTR 160 - What Grade Engine Oil Should I Use?

I bought a TVS Apache RTR 160 second hand. I want to know what grade engine oil should i use for my bike. I was suggested to use 15W50. Is that a good choice. The bike has done almost 65000Kms.
0
votes
1answer
37 views

BMW 320i Gearbox lubricant replacement

I own a BMW 320i series 1997 model, ever since i bought it from its first owner i took it in for service two times but to my surprise the mechanic did not replace the gearbox lubricant/oil. I would ...
3
votes
2answers
195 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 ...
0
votes
2answers
1k 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, ...
3
votes
1answer
86 views

JLO Rockwell 2F600

I have an old hovercraft that uses a small aircraft engine in the front to power both the lift and forward propulsion. I was hoping to find any kind of manual or literature on the engine itself. The ...
5
votes
2answers
450 views

How to clean engine when oil is contaminated with metal shards?

During a recent oil change Istripped the oil pan bolt. It took a bit of trial and error for me to realize the stripped hole was a 14mm 1.25 thread so I got a tap and rethread it to 14mm 1.5 thread ...
2
votes
1answer
102 views

How Many Partial Oil Transmission Fluid Changes Until Clean

I have to change my transmission oil (2008 Nissan Sentra CVT). It has a 7 liter total capacity, but due to the torque converter, I can only drain 4 liters at a time. Thus, I have to make several ...
1
vote
2answers
355 views

2006 Infiniti G35 - Blown engine following Kwik Kar engine flush

(Apologies in advance for the lengthy post.) Background 2006 Infiniti G35 Coupe, 6-speed manual, 112K miles. I bought the car from a friend when it had about 50k miles. He had the car for the ...
5
votes
2answers
678 views

What causes too much fuel for my Briggs and Stratton engine?

I recently bought a generator that uses a Briggs and Stratton 17hp Vanguard engine. Before purchasing the generator, it had not ran in several years. The fuel was stale and the oil needed to be ...
4
votes
1answer
89 views

Why are there large differences in oil-change intervals?

I've been reading this site (and simmilar ones) alot, and I noticed alot of people (mainly from USA i think) who mention 3000-6000mile intervals for oil changes. I'm from Europe, and driving a ...
0
votes
0answers
18 views

How do you know when to change engine oil? [duplicate]

ok I know that you have to keep track of mileage, but I am not a good organizer, I forget to note the mileage whenever I get my oil change, plus I believe that it also depends on how you drive, like ...
9
votes
2answers
3k views

Is it safe to reuse oil that was drained for a repair?

Let's say that I just replaced my engine oil but decided I want to lift the valve covers to do some gasket replacement. I know it may sound cheap but I'd rather not throw away $25 worth of almost new ...
4
votes
4answers
14k views

Oil leaks after oil change - shop says engine oil pan gasket needs to be replaced

I brought my 2000 Honda Civic to my local Castrol shop for an oil change. After leaving for work the next day my wife told me there was a three foot wide pool of oil where my car was. I moved my car ...
3
votes
4answers
310 views

Is it possible to drain oil pan without getting any oil on your fingers?

This may be a frivolous question or a brain teaser... But I've always wondered if it is possible to so skillfully remove the drain bolt from the bottom of an oil pan upon oil change as to not get any ...
3
votes
1answer
964 views

Risks of “excess and lack” of Engine oil

I ride a Honda Stunner CBF 125 CC daily for approx 30 kms, with an average speed of 45 km/hr. I noticed that my motorcycle has been consuming too much engine oil like it not used to few years ago. ...
2
votes
1answer
483 views

How much more slowly do synthetic oils degrade compared to conventional oils?

I don't drive my car very often and in the 13 years I've owned it I think I only ever reached the 5000 mile limit once during a long roadtrip; instead I always end up driving only about 2000 miles in ...
2
votes
1answer
150 views

2008 Scion XD 126K

I have a 2008 Scion XD which crossed 126K miles today.(Bought it with 62K) In recent months I have noticed a decrease in overall MPG to a tank. I do close to 30K miles per year and also do oil changes ...
2
votes
1answer
136 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 ...
0
votes
1answer
37 views

Which Car oil to use for Sonata 2004?

Which car oil should I use for Sonata 2004? How much and how often?
5
votes
2answers
762 views

Is it important that the gasket on the dipstick make a seal against the dipstick tube?

I just did an oil change on my 1995 Nissan Altima, and noticed that the gasket on my dipstick does not make a seal inside the dipstick tube. The inside diameter of the tube is maybe 3/32 of an inch ...
6
votes
3answers
369 views

Did the mechanic damage our car?

I purchased a 125k mile 2005 Toyota Camry in good condition and with a good service history about 5 months ago. It was due for its second oil change since we've owned it so my wife took it in to a ...
3
votes
3answers
478 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 ...