Oil filler cap came off - oil all over - help - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

indio22 · 09-04-2021, 09:22 PM

I changed the oil in my BRZ. Boneheaded move - I left the oil filler cap loose.

The cap came off, the car was driven around, and oil flew out everywhere in the engine compartment.

I lost slightly over a quart of oil. So by the time I noticed, the oil level was probably around 4.6 quarts. Car was not driven hard, mostly street driving with the missing cap. Questions:

1) Do you think I did any damage due to the low oil level?

2) What about any damage from driving with the open crankcase? Oil/air was blowing out the oil filler hole. Don't think anything got inside due to the outward pressure, but I changed the oil and filter again, just in case.

Ultramaroon · 09-05-2021, 12:46 AM

You're fine. Completely fine. Worst part is the mess. Blecch!

AJ32162 · 09-05-2021, 10:21 AM

As long as you weren't driving around with your 'oil light' on, your engine was getting enough oil to prevent damage. Other than the mess, I wouldn't worry about it

MuseChaser · 09-05-2021, 11:31 AM

Plus, your engine compartment now has a thorough coating of protection against corrosion....

Ultramaroon · 09-05-2021, 02:32 PM

I did it to my 240Z once in the middle of a road trip. Freaked me out. Worst part ended up being that I lost my original oil cap with the little elephant on it.

humfrz · 09-05-2021, 04:33 PM

Quote:

Originally Posted by indio22

I changed the oil in my BRZ. Boneheaded move - I left the oil filler cap loose.

The cap came off, the car was driven around, and oil flew out everywhere in the engine compartment.

I lost slightly over a quart of oil. So by the time I noticed, the oil level was probably around 4.6 quarts. Car was not driven hard, mostly street driving with the missing cap. Questions:

1) Do you think I did any damage due to the low oil level?

2) What about any damage from driving with the open crankcase? Oil/air was blowing out the oil filler hole. Don't think anything got inside due to the outward pressure, but I changed the oil and filter again, just in case.

It will be OK.

We drove cars around for years with open crankcases - then someone invented the PCV valve -

humfrz · 09-05-2021, 07:47 PM

Quote:

Originally Posted by Ultramaroon

I did it to my 240Z once in the middle of a road trip. Freaked me out. Worst part ended up being that I lost my original oil cap with the little elephant on it.

You can buy one on e-bay if it still bothers you -

soundman98 · 09-05-2021, 08:31 PM

i can think of a lot of other things that bother me more for $75...

Ultramaroon · 09-05-2021, 09:26 PM

Quote:

Originally Posted by soundman98

i can think of a lot of other things that bother me more for $75...

Love has neither price nor can it ever be replaced.

awww... there's the little guy.

I used to think he looked more like a mammoth.

Sapphireho · 09-06-2021, 12:11 AM

I did it once with my Isuzu Rodeo before a family camping trip. Didn't notice until we were 350 miles away at our campsite. With the valve covers on the hemi style heads, didn't lose a single drop. I put a couple strips of duct tape over the hole and replaced the cap a week and a half later after we got home.

soundman98 · 09-06-2021, 12:44 AM

Quote:

Originally Posted by indio22

I changed the oil in my BRZ. Boneheaded move - I left the oil filler cap loose.

The cap came off, the car was driven around, and oil flew out everywhere in the engine compartment.

I lost slightly over a quart of oil. So by the time I noticed, the oil level was probably around 4.6 quarts. Car was not driven hard, mostly street driving with the missing cap. Questions:

1) Do you think I did any damage due to the low oil level?

2) What about any damage from driving with the open crankcase? Oil/air was blowing out the oil filler hole. Don't think anything got inside due to the outward pressure, but I changed the oil and filter again, just in case.

so, if it makes you feel any better, i went to change my oil today and left my fumoto valve open, and draining into the pan. i was so excited at how easy and mess-free it was, i completely forgot to close it when i went to re-fill the oil. had all of the 5-quart container poured in when i realized my mistake, but fortunately, it seems like i only lost a quart in the process.

Ultramaroon · 09-06-2021, 02:04 AM

Quote:

Originally Posted by soundman98

so, if it makes you feel any better, i went to change my oil today and left my fumoto valve open, and draining into the pan. i was so excited at how easy and mess-free it was, i completely forgot to close it when i went to re-fill the oil. had all of the 5-quart container poured in when i realized my mistake, but fortunately, it seems like i only lost a quart in the process.

Haha... I'm stupid afraid I'm going to do this someday. I laugh at my own paranoia every time I triple check that little valve.

soundman98 · 09-06-2021, 09:14 AM

Quote:

Originally Posted by Ultramaroon

Haha... I'm stupid afraid I'm going to do this someday. I laugh at my own paranoia every time I triple check that little valve.

this is one of the first cars that i actually enjoy changing the oil on, and the valve makes it even more enjoyable. i don't even need to drag out the cardboard! but of course, not using it every day i don't need to do it as often...

zc06_kisstherain · 09-15-2021, 03:42 PM

Quote:

Originally Posted by soundman98

this is one of the first cars that i actually enjoy changing the oil on, and the valve makes it even more enjoyable. i don't even need to drag out the cardboard! but of course, not using it every day i don't need to do it as often...

lol hahahahaha

09-04-2021, 09:22 PM	#1
indio22 Member Join Date: Jul 2020 Drives: 2014 BRZ Location: Chicagoland Posts: 32 Thanks: 11 Thanked 19 Times in 8 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Oil filler cap came off - oil all over - help I changed the oil in my BRZ. Boneheaded move - I left the oil filler cap loose. The cap came off, the car was driven around, and oil flew out everywhere in the engine compartment. I lost slightly over a quart of oil. So by the time I noticed, the oil level was probably around 4.6 quarts. Car was not driven hard, mostly street driving with the missing cap. Questions: 1) Do you think I did any damage due to the low oil level? 2) What about any damage from driving with the open crankcase? Oil/air was blowing out the oil filler hole. Don't think anything got inside due to the outward pressure, but I changed the oil and filter again, just in case.

09-05-2021, 12:46 AM	#2
Ultramaroon chicken tonight Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 31,924 Thanks: 52,250 Thanked 36,583 Times in 18,965 Posts Mentioned: 1108 Post(s) Tagged: 9 Thread(s)	You're fine. Completely fine. Worst part is the mess. Blecch! __________________ service manuals

09-05-2021, 10:21 AM	#3
AJ32162 Member Join Date: Oct 2017 Drives: 2019 BRZ with Performance Package Location: FL Posts: 69 Thanks: 104 Thanked 53 Times in 32 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	As long as you weren't driving around with your 'oil light' on, your engine was getting enough oil to prevent damage. Other than the mess, I wouldn't worry about it Last edited by AJ32162; 09-05-2021 at 11:36 AM.

09-05-2021, 11:31 AM	#4
MuseChaser Feeling like thinking.... Join Date: Oct 2015 Drives: 2013 FR-S Location: CNY Posts: 1,664 Thanks: 1,664 Thanked 2,433 Times in 1,064 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	Plus, your engine compartment now has a thorough coating of protection against corrosion.... __________________ Drive like everyone's life around you depends on it...

09-05-2021, 02:32 PM	#5
Ultramaroon chicken tonight Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 31,924 Thanks: 52,250 Thanked 36,583 Times in 18,965 Posts Mentioned: 1108 Post(s) Tagged: 9 Thread(s)	I did it to my 240Z once in the middle of a road trip. Freaked me out. Worst part ended up being that I lost my original oil cap with the little elephant on it. __________________ service manuals

09-05-2021, 08:31 PM	#8
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	i can think of a lot of other things that bother me more for $75... __________________ "The time you enjoy wasting is not wasted time"

09-06-2021, 12:11 AM	#10
Sapphireho helmholtz resonator Join Date: Mar 2016 Drives: '15 ultramarine Location: Idaho Posts: 13,264 Thanks: 5,474 Thanked 18,346 Times in 8,661 Posts Mentioned: 156 Post(s) Tagged: 0 Thread(s)	I did it once with my Isuzu Rodeo before a family camping trip. Didn't notice until we were 350 miles away at our campsite. With the valve covers on the hemi style heads, didn't lose a single drop. I put a couple strips of duct tape over the hole and replaced the cap a week and a half later after we got home.

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