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Questions tagged [oil]

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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My 2016 Hyundai accent

I have a 2016 Hyundai accent and I do the oil change about last week if the and took out the oil and put it in different oil but for some reason as I hit the acceleration on the car it starts to sound ...
Ben Frank's user avatar
3 votes
1 answer
143 views

Impact of synthetic oil on 1988 Mazda RX7 with 80k miles

We have a 1988 Mazda RX7 with an odometer showing 81k+ miles. We don't know whether it rolled over, but it has at least this many miles. Based on the condition of the car, I'm inclined to think it has ...
Woodsman's user avatar
  • 131
2 votes
2 answers
47 views

Difference between normal oil and hybrid oil

Trying to buy some oil for my 2020 hybrid toyota camry after finding out its MUCH more expensive in the dealer and they only fill it with semi-synthetic oil. I found the same oil from shell, both are ...
MundaneHassan's user avatar
2 votes
1 answer
49 views

Switching to heavier oil for hot weather

I have a 5.3 Triton 3V that asks for 5W-20 in the manual, but I live in a very hot climate, where the lowest this season is 20~ celsius and the hottest is 45~ celsius. Will switching to 5W-30, 10W-30 ...
MundaneHassan's user avatar
3 votes
1 answer
542 views

Will penetrating fluid contaminate engine oil?

Update: I went ahead and changed them without penetrating fluid in the end as suggested in the answer, and they came out quite easily, I'd estimate I needed to use 5-6 Nm to loosen them. Engine was ...
user4520's user avatar
  • 207
1 vote
1 answer
29 views

05 Buick lacrosse

My car said I was low on oil and I accidently put in about 3/4 of a quart of sae30 instead of 5w30. Will it be ok to fill it the rest the way with the correct oil ? What should I do?
Kranz's user avatar
  • 11
0 votes
1 answer
55 views

After oil change no oil in car but radiator overflow all oil [closed]

Just took 2013 Subaru Outback in for an oil change. Drove home about 15 miles and have NO oil in the engine. The dipstick is dry and sticky. For some reason checked the radiator overflow and the oil ...
BIG BUS4751's user avatar
1 vote
0 answers
28 views

98 Camry Oil Pump: When does oil need to be replaced?

I removed a 98 Camry 2.2L 4-cyl oil pump to change the timing belt & seals: There seems to be wear in the red annotated area. The wear is only on that half section, not under the lobe with the ...
gatorback's user avatar
  • 1,205
1 vote
1 answer
48 views

What could be leaking motor oil on the transmission of my 1999 Accord 2.3l with 230k?

You see a little oil where the case halves meet, but I put dye in my oil, used a UV light, and this seam glows bright green, while I didn't see anywhere else that lit up very much. It just seemed like ...
Menlo Part's user avatar
0 votes
1 answer
27 views

99 Buick century died while driving down highway when stopped smoke was coming from engine

my car died while driving down the highway after I got to the side of highway smoke was coming from engine was white pop up hood. an I seen next to my oil cap a rubber black hose with a rubber elbow ...
Brandon Williams's user avatar
1 vote
1 answer
23 views

Newer Chevy trucks vs 1990s V8 engine oil capacity difference

Anyone know why V8 engine oil capacity went up significantly from the 1990's era to 2010 and onwards (not sure about exact dates), but I can recall a chevy 350 for the longest time requiring only 5 ...
bitshift's user avatar
  • 113
2 votes
2 answers
205 views

can i use api CJ-4/SN in a gasoline car?

I have an old gasoline car which require SAE 15w-40 engine oil, but such an oil for gasoline engine is not available in my country. I recently found some diesel oil which has API CJ-4/SN or other ...
Mohammad M's user avatar
3 votes
1 answer
56 views

I grabbed and used wrong oil on my 2014 Chevy Silverado

I put 0W30 in my 2014 Chevy Silverado instead of 0W20. Do I need to change the oil right away or will that be fine ... I live in Massachusetts if that matters.
Brian Langlais's user avatar
1 vote
2 answers
81 views

Brake Oil Production or Expiry Date?

Ordered some brake fluid oil and it arrived today. There is only 1 date on the bottle. Is that date the production or expiry date? My assumption would be production based on there being a what seems a ...
Dave1UK's user avatar
  • 307
1 vote
1 answer
62 views

How long is 1 qt extra oil safe to drive on (manufacturer calls for it during track days)?

The manual for my car calls for adding an additional quart of oil during track events. I always empty the excess when I get back home from my local track. But there's an event next year at a track ...
silent_h's user avatar
1 vote
1 answer
72 views

Metal piece connecting to oil pan hose loose

So I noticed oil leakage during high RPM on my car (1999 Saab 9-3) and when I looked underneath I found that the hose connecting to the oil pan was loose and the area around it was damp with oil. Upon ...
khan simeoni's user avatar
1 vote
1 answer
48 views

I have just put oil in mycar & its about 13mm over the max line on the dip stick i havent driven my vehicle since i put it it is it o.k?

My oil was low in my Mazda Atenza so I put oil in & it went over the max on the dip stick of 13mm I haven't driven since I put the oil in is it alright or do i need to siphon ??
Paris Reed's user avatar
1 vote
1 answer
54 views

Engine vs Hydraulic oil. 10W30 vs 10W60

We have a second hand Hustler Super-Z zero turn mower, for which I need to top up the hydraulic oil. The mechanic when he serviced it, gave us two types of oil 10W30 and 10W60 and told me not to put ...
Tom Huntington's user avatar
1 vote
1 answer
68 views

How can I tell if my engine has oil sludge issues? (Toyota Camry)

Driving a 160,000 mile '99 Camry and I'm aware the first iteration of the 1MZ-FE (non-vvti) is notorious for having sludge buildup. How can I tell if the issue is already present? I am planning on ...
Bilal Jami's user avatar
4 votes
1 answer
359 views

Should I leave the oil filler cap off for 15mins before checking level?

New to car ownership, I was confused by this oil checking procedure in the 2022 Hyundai Tucson owners manual: It sounds like I should take out the dipstick and oil filler cap immediately after ...
materialDefender's user avatar
4 votes
1 answer
96 views

Confirming Head Gasket Only Culprit

Model: Mercedes Vito 638 108 CDI, 2.2L, 1999 Mileage: 270,000 Km. My exact question is: Does my head gasket need to be replaced (is this the source of my problem), and is this the ONLY problem ...
Hans's user avatar
  • 155
0 votes
0 answers
128 views

Effect of engine oil on piston rings

I reassembled my pistons and put new rings in. After some trouble with leaky valves, I re-ground them, sealed them tight, and put the head back on. I was getting pretty good leakdown results (using an ...
amphibient's user avatar
  • 6,549
5 votes
1 answer
1k views

Smoke coming from hood. Car turned off . wrong coolant was added..Why wont car turn on or what could be the issue

2011 Toyota Camry got an oil change and friend added coolant (dont think it was the right one). For a couple days when i would drive car would make loud noise. Drove it for couple days when one day ...
Lucy Aguilar's user avatar
3 votes
1 answer
88 views

Are diesel and gasoline engine oils fundamentally different?

I'm trying to source 15w40 oil for a marine engine (indmar monsoon 325 - a marinized version of a centerbolt SBC), however I'm not finding any conventional oils at most automotive stores near me. They ...
Brydon Gibson's user avatar
0 votes
2 answers
121 views

How bad is it to use 5W-30 instead of 5W-20 in a car?

I have a 2008 Dodge Grand Caravan. The oil cap states that the engine is to use 5W-20 oil. I just realized that when we had our oil changed a few weeks (months? hard to remember) ago, it seems the ...
GregH's user avatar
  • 101
0 votes
1 answer
98 views

Changing Oil vs Adding Oil

My vehicle drinks Oil nearly as quickly as fuel. The manufacturer recommends changing oil every 10k miles. The vehicle needs oil fill-up every 3-5k miles. By 10k miles, with 2-3 new oil top-ups, isn't ...
ZAR's user avatar
  • 103
7 votes
5 answers
1k views

Engine shakes, from bad oil change

I got an oil change awhile back, I notice my car idling a little more. Where I park for work it was hard to tell what the oil leak was coming from on the ground. I don't know much, but I popped my ...
Kieran's user avatar
  • 71
0 votes
3 answers
132 views

Transmission fluid added to my oil

I have a 2008 Chrysler Town & Country & my oil was low but I thought it was my transmission fluid so i added a quart of transmission fluid to my oil but the oil dipstick is still reading low ...
Brandy Sparks's user avatar
2 votes
1 answer
620 views

How harmful is it to not put oil in spark plug hole of a stored small engine?

I have a small engine inverter generator. This generator is to be used during power outages which happen rarely where I live, and also tested shortly every 2 years (the testing is also to keep the ...
juhist's user avatar
  • 14.4k
6 votes
1 answer
5k views

Yellow foam in my oil cap

I was checking the level of oil in my car and I've found some yellow foam in the oil cap, the car has 120000 Kilometers and 12 years; the head gasket is the original, what could it be? Do i need to ...
Max Scoch's user avatar
2 votes
1 answer
41 views

Possible faulty repair?

Our 2012 Honda Odyssey recently went into the shop for brake repair. The mechanic inspected the car and found a slight leak in the oil pan and requested that we replace the oil pan gasket. We agreed ...
Brian Fisher's user avatar
5 votes
1 answer
427 views

Drain Plug Crush Washer- Installed wrong size

Nissan Frontier 2018 4.0L. SV Parts store said I could use any washer in an assorted pack of washers labeled M14. Upon looking further into issue I found that a M12 is the correct size. I already ...
steve lay's user avatar
1 vote
1 answer
275 views

My car A/C lost all of its refrigerant

My car lost all of its refrigerant. I went to mechanic he checked my entire ac system for leakage but couldn't find any. He pressurized the cooling coil and also compressor but he couldn't find any ...
Muhammad Ashar's user avatar
1 vote
1 answer
228 views

How to read a dipstick?

My car manual says that oil level should be checked with a warm engine (to account for thermal expansion) after letting the car sit on a level surface for 5 minutes after turning off the engine (to ...
juhist's user avatar
  • 14.4k
2 votes
1 answer
88 views

Is it safe to have an external oil cooler lower than the OEM oil cooler location?

I'm replacing my oil cooler housing and wish to add an external oil cooler to it. I'm curious if it's safe to set the external oil cooler lower than the original OEM location. The OEM oil cooler works ...
Efekan's user avatar
  • 121
0 votes
1 answer
66 views

Is car motor being lubricated with ignition off?

Is it ok to run car with ignition off (turning it off while in gear)? Or is oil pump electrical and stops running as soon as ignition is off?
Ri Di's user avatar
  • 131
0 votes
0 answers
360 views

2013 Buick Verano Engine jerks only when stopped at stop sign or red light while still in drive

I have a 2013 Buick Verano with about 110,000 miles. A couple years ago my car stalled and I had a code to replace the solenoids in which did and the problem seemed to go away. About a year later ...
Tom's user avatar
  • 1
8 votes
1 answer
1k views

Oil Pan Flap? What does it do?

The following is a picture of Peugeot 405 Oil Pan. As you can see, there is something like a flap inside the pan. Does anyone here know what is the function of that part? Why is the pan divided into 2 ...
Nariman Asgharian's user avatar
0 votes
1 answer
57 views

What is the correct oil to use in an 80's era 6.9 Ford Diesel?

What is the proper oil to use in an 80's Era 6.9 Ford Diesel?
Paul Ford's user avatar
5 votes
3 answers
2k views

How long does it take for engine damage to show up after running without enough oil?

Got an oil change in a 2019 Hyundai Kona at a Valvoline quick change shop at 50,000 miles. 5 weeks and 1,800 miles later, the oil light came on. A check showed no oil on the dipstick. Towed to the ...
Marie Senkbeil's user avatar
0 votes
1 answer
109 views

What happened to my Oil

I got an oil change at Firestone about a month in a half to two months ago, last night I see a higher in my drive way, I thought it was a shadow, nope it was all my oil completely drained out!! Could ...
Janet 's user avatar
2 votes
1 answer
76 views

Oil checked when car was on

Car is a 2020 Hyundai i10 Sorry for what I know is probably a completely dumb question, but I’d like to put my mind to rest and I am no where near mechanically minded. A friend told me to double check ...
NovicePerson873's user avatar
1 vote
1 answer
99 views

How much performance change can be expected from changing 2-stroke mix-in oil?

I have a 2 stroke paramotor: Paramotor with a parrot on the propeller. It is a 235cc 2-stroke engine with carburetor fuel delivery and magneto ignition. The transmission is a direct drive pulley ...
tuskiomi's user avatar
  • 215
0 votes
2 answers
5k views

Can an engine run without oil for a few seconds, if the oil change was just done

I accidentally started up my engine after draining the oil and inserting the oil filter. I know that running an engine without oil causes the parts not to be lubricated and thus, causing damage. In my ...
Luke's user avatar
  • 1
1 vote
1 answer
110 views

Antifreeze in engine oil

I accidentally put antifreeze in the engine oil, a complete moment of stupidity, but I poured about 50ml (definitely not more than 100ml) do you think it would be okay as it’s such a little amount? Or ...
MD2288's user avatar
  • 11
0 votes
1 answer
154 views

Is it safe to use an oil leak stopper product?

My mechanic said the rear main seal on my 1997 Honda Accord is causing an oil leak, and he cannot fix that. I found out there are some oil leak stopping products (such as this, this, this, this) that ...
pacoverflow's user avatar
0 votes
1 answer
65 views

Is cap coming off too easily?

Honda Civic coupe vti 1999. I bought this replacement cap and fitted it. Unlike the stock or other caps it doesn’t have a asteroid shape so it’s harder to screw down. Anycase I screwed it in but I ...
James Wilson's user avatar
  • 2,724
2 votes
2 answers
78 views

How can I rectify Replacement filler cap?

Civic coupe vti 1999. I have just received my replacement filler cap off eBay and it does fit! However I noticed some white stuff around a bit the outer part of the rubber seal and thought it was dirt....
James Wilson's user avatar
  • 2,724
0 votes
2 answers
92 views

I can't find freezing point for Mannol 5w-20

I need oil for my car engine. It needs SAE 5W-20. Is Mannol Energy Ultra JP 7906 5W-20 a good product? I can't find its complete technical data and freezing point. This is the Material Safety Data ...
Roby Sottini's user avatar
0 votes
1 answer
141 views

How would this oil filler cap have been damaged?

If you look closely at this at the bottom of this oil filler cap you can see the plastic has chipped. I’m not sure if it was already like that or if I did it whilst trying to force it into the rocker ...
James Wilson's user avatar
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