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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1answer
15 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
49 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? ...
6
votes
3answers
267 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 ...
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vote
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?
0
votes
1answer
47 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
5answers
21k views

Stubborn oil drain plug caused by hot oil?

I'm trying to change the engine oil but running into difficulties removing the oil drain plug. One of the instructions I followed to change the engine oil was to give the car a short drive prior to ...
11
votes
7answers
10k views

Engine oil change and getting rid of old oil completely

After running the vehicle for a certain distance usually we will change the engine oil. This will not only give engine new life with the brand new oil but will also get sludge and other sediments out ...
7
votes
3answers
6k views

Is it normal for a car's first oil change to be sooner than the regular interval?

Related: When should I change the oil, as the tech recommends or as my oil change light indicates Do newer cars actually monitor the quality of oil? How does the change oil light system work and ...
28
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9answers
6k 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 ...
7
votes
3answers
301 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 ...
3
votes
3answers
369 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 ...
8
votes
1answer
73 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 ...
5
votes
1answer
72 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 ...
3
votes
2answers
98 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 ...
9
votes
5answers
145 views

What can I do with used motor oil?

Besides recycling? I've heard, for example, that I can use it to lubricate the drive chain (in a motorcycle / bicycle), but that doesn't appeal to me.
3
votes
1answer
61 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 ...
1
vote
1answer
38 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 ...
4
votes
1answer
226 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 ...
1
vote
1answer
331 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.
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votes
6answers
7k views

Oil change with front wheels on ramps?

From the obsessive compulsive department: I've been changing my own oil by driving up on a pair of ramps, draining and filling. Based on a slight overfill condition after adding the specified amount ...
1
vote
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 ...
2
votes
2answers
95 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 ...
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votes
4answers
3k views

What happens if unsuitable oil is used in a vehicle engine?

I recently heard an urban legend-like story about a guy in a developing country who decided engine oil was too expensive and so used some vegetable oil instead. The story says the car ran for some ...
3
votes
1answer
53 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. ...
0
votes
2answers
473 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, ...
0
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1answer
41 views
2
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1answer
107 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
4answers
66k views

Is it OK to drive Accord with 5% oil life left as indicated?

The 2010 Accord indicates that only 15% oil life is left. Oil level seems to be OK. The driver would rather complete the trip, which is 1400 more miles. At the beginning of the trip there were 20% ...
3
votes
1answer
27 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 ...
4
votes
4answers
9k 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 ...
16
votes
10answers
48k views

How can you tell the oil needs to be changed?

I know oil should be changed every 3000 or 6000 miles (depending on the car and conditions) but I'm not all that great at keeping track and I've let the car go for 10,000 miles before and it still ...
6
votes
3answers
319 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 ...
0
votes
1answer
32 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 ...
5
votes
2answers
533 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 ...
3
votes
1answer
69 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
330 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
84 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 ...
0
votes
2answers
240 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 ...
3
votes
1answer
344 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 ...
3
votes
1answer
73 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
16 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 ...
3
votes
1answer
123 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 ...
4
votes
4answers
3k views

How could an oil drain plug fall out after 36 days and 2500 miles?

We had an oil change done at a quick lube type shop. After 36 days and 2500 miles driven, the oil drain plug fell out, resulting in severe engine damage. There was no oil leakage or any sign of ...
2
votes
1answer
251 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 ...
8
votes
2answers
2k 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 ...
3
votes
4answers
213 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 ...
1
vote
1answer
612 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
2answers
1k views

Prius burns off oil very fast. Is this normal?

I replaced the oil on my mom's Prius today, which is 3200 miles or so since I replaced it last. The car only takes 3 quarts of oil, but only drained a little over 2 quarts. My jeep, on the other ...
8
votes
5answers
22k views

Is it normal for the oil to be dark in color right after an “oil change” in a 10-year old diesel car?

I took my 2002 Jetta TDI wagon to a neighborhood shop about 10 miles, 24 hours ago. They supposedly changed the oil, but the color is very dark, almost black. Definitely not light-colored/transparent. ...
2
votes
1answer
5k views

Step-by-step guide to changing oil of a 2004 Nissan Xterra

I'm looking for a step-by-step guide to changing the oil of 2004 Nissan Xterra. I found one a very useful one for my Lexus but I can't find one for my Nissan. Does anyone know of one or would like to ...