Recent Topics
Omnia - the band
by Shannow
Today at 02:58 AM
Guest's devices cannot connect to my WiFi
by boulderdentist
Today at 12:54 AM
Battery stuck in flashlight.
by Chris142
Yesterday at 11:53 PM
Must read for everyone watching their diet
by JLTD
Yesterday at 11:28 PM
2014 Mazda5 Valvoline Synpower 0W-20 7500 miles
by PWMDMD
Yesterday at 10:54 PM
VOA Ravenol ECS 0W-20
by PWMDMD
Yesterday at 10:47 PM
2020 mid-engine Corvette spy vid?!
by AZjeff
Yesterday at 10:45 PM
'05 base impala. NO turn signals.FAST blinking.
by Lee4212
Yesterday at 10:34 PM
Motul 15w-50, 5 Liter 4 Pack $19.42
by hatt
Yesterday at 10:10 PM
High Lead Redline 5W40 thoughts? Ty
by Pajero
Yesterday at 09:40 PM
Source of the Mighty Columbia River
by Snagglefoot
Yesterday at 09:32 PM
Another thick/thin article to discuss
by JLTD
Yesterday at 09:23 PM
Ethylene Glycol Long Life Coolant for KUBOTA
by pburchett
Yesterday at 09:11 PM
Mobil 1 5W-30, 6,200 mi, 2017 2.3 EB Explorer
by Whimsey
Yesterday at 08:48 PM
Chevron 10w-40, 97 Nissan Maxima, 3000 miles
by OilGeek91
Yesterday at 08:36 PM
Old green antifreeze in garage storage is gelling
by JLawrence08648
Yesterday at 08:32 PM
VWs at Pick n Pull
by Eric Smith
Yesterday at 08:17 PM
Single Data Point: CK-4 destroys the flat tappet
by Gokhan
Yesterday at 08:12 PM
Breaking in new short block
by Bub
Yesterday at 07:00 PM
Should I buy a mill or a drill press?
by Vern_in_IL
Yesterday at 06:32 PM
Newest Members
azzid0906, OilGeek91, DRancher, Newuser, Varbill
65299 Registered Users
Who's Online
24 registered (dishdude, billt460, Bjornviken, dlundblad, cven, 2 invisible), 846 Guests and 55 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
65299 Members
67 Forums
285816 Topics
4769947 Posts

Max Online: 3590 @ 01/24/17 08:07 PM
Donate to BITOG
Topic Options
#4692564 - 03/12/18 03:28 PM Will used oil sludge up......
monster1 Offline


Registered: 01/31/10
Posts: 114
Loc: ca
Sitting for months in the collection container? I drained the oil on our 13 Altima today. I noticed that the residue sitting in the bottom of the collection pan was sludged up from the last oil change. The collection pan has been sitting in my garage. I've noticed the same in my mityvac that I use in my jeep and boat. I'm hoping this is happening in the collection containers, not my engines. All engines get changed on regular schedules.

Top
#4692581 - 03/12/18 03:45 PM Re: Will used oil sludge up...... [Re: monster1]
UncleDave Offline


Registered: 06/02/14
Posts: 1637
Loc: Ca.
I've never had it sludge up or thicken beyond how it came out temperature effecting viscosity notwithstanding. But I keep it in sealed containers.

but Iv seen particles fall from suspension and gather at the bottom of container creating a denser layer of detritus. - unless thats what you are calling " sludge".

A centrifuge spins it out quick, but left still long enough heavier particles drop.

UD


Edited by UncleDave (03/12/18 04:03 PM)
_________________________
Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C

Top
#4692591 - 03/12/18 04:02 PM Re: Will used oil sludge up...... [Re: monster1]
BrocLuno Offline


Registered: 09/06/15
Posts: 5519
Loc: Kalifornia Kollective
Used oil sitting in a pan is not the same as in a engine. There is plenty free air and water vapor in the garage, and not much in an engine. they're essentially low pressure sealed units (value of the PCV valve spring).
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

Top
#4692606 - 03/12/18 04:15 PM Re: Will used oil sludge up...... [Re: BrocLuno]
JLTD Offline


Registered: 12/15/17
Posts: 682
Loc: US
Originally Posted By: BrocLuno
Used oil sitting in a pan is not the same as in a engine. There is plenty free air and water vapor in the garage, and not much in an engine. they're essentially low pressure sealed units (value of the PCV valve spring).


Yep, I've seen oil laying in my pan (far too long) that has gotten a brownish tinge to it from absorbing moisture.
_________________________
Done discussing thick vs thin - too divisive. Will let UOAs do the talking.

His: 2015 4Runner SR5 1GR-FE 39k, Amsoil OE 5w20/Wix
Testing vs 5w30

Hers: 2008 Jeep Liberty 135k, Amsoil SS 5w30/Amsoil

Top
#4692774 - 03/12/18 06:54 PM Re: Will used oil sludge up...... [Re: JLTD]
Ducked Offline


Registered: 10/25/12
Posts: 4376
Loc: Taiwan
Originally Posted By: JLTD
Originally Posted By: BrocLuno
Used oil sitting in a pan is not the same as in a engine. There is plenty free air and water vapor in the garage, and not much in an engine. they're essentially low pressure sealed units (value of the PCV valve spring).


Yep, I've seen oil laying in my pan (far too long) that has gotten a brownish tinge to it from absorbing moisture.


Moisture (as in water vapour) isn't brown. Not even in China. If it went brown it either got dirt in it or it oxidised.

Top
#4692831 - 03/12/18 07:29 PM Re: Will used oil sludge up...... [Re: monster1]
JLTD Offline


Registered: 12/15/17
Posts: 682
Loc: US
The brown I am writing about is the same milky color you get when you have coolant in the oil...a very light brown....
_________________________
Done discussing thick vs thin - too divisive. Will let UOAs do the talking.

His: 2015 4Runner SR5 1GR-FE 39k, Amsoil OE 5w20/Wix
Testing vs 5w30

Hers: 2008 Jeep Liberty 135k, Amsoil SS 5w30/Amsoil

Top
#4692881 - 03/12/18 08:09 PM Re: Will used oil sludge up...... [Re: UncleDave]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Originally Posted By: UncleDave


...but Iv seen particles fall from suspension and gather at the bottom of container creating a denser layer of detritus. - unless thats what you are calling " sludge"...




thumbsup


Edited by MolaKule (03/12/18 08:10 PM)

Top
#4693110 - 03/13/18 04:56 AM Re: Will used oil sludge up...... [Re: JLTD]
Ducked Offline


Registered: 10/25/12
Posts: 4376
Loc: Taiwan
Originally Posted By: JLTD
The brown I am writing about is the same milky color you get when you have coolant in the oil...a very light brown....


Like I said. Coolant has reactive chemicals in it so it isn't comparable to moisture absorbed from the air.

Top
#4693165 - 03/13/18 07:53 AM Re: Will used oil sludge up...... [Re: Ducked]
JLTD Offline


Registered: 12/15/17
Posts: 682
Loc: US
Originally Posted By: Ducked
Originally Posted By: JLTD
The brown I am writing about is the same milky color you get when you have coolant in the oil...a very light brown....


Like I said. Coolant has reactive chemicals in it so it isn't comparable to moisture absorbed from the air.


Ok.
_________________________
Done discussing thick vs thin - too divisive. Will let UOAs do the talking.

His: 2015 4Runner SR5 1GR-FE 39k, Amsoil OE 5w20/Wix
Testing vs 5w30

Hers: 2008 Jeep Liberty 135k, Amsoil SS 5w30/Amsoil

Top
#4693204 - 03/13/18 08:54 AM Re: Will used oil sludge up...... [Re: MolaKule]
monster1 Offline


Registered: 01/31/10
Posts: 114
Loc: ca


"but Iv seen particles fall from suspension and gather at the bottom of container creating a denser layer of detritus. - unless thats what you are calling " sludge"...




That may be what I'm looking at. The thinner oil drained out of the collection pan and in the bottom was noticably thicker oil. Think the consistency of room temp chicken grease.


Edited by monster1 (03/13/18 08:57 AM)

Top
#4693345 - 03/13/18 11:30 AM Re: Will used oil sludge up...... [Re: monster1]
deven Offline


Registered: 06/28/05
Posts: 3402
Loc: Massachusetts
^^Yup particle separation!
_________________________
Proud user of ROYAL PURPLE products!

2016 Acura RLX Sports Hybrid(Royal Purple HPS 5w30 + M1-110 oil filter)

KEEP IT SIMPLE STUPID. IT'S ONLY OIL

Top
#4693445 - 03/13/18 12:57 PM Re: Will used oil sludge up...... [Re: monster1]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2382
Loc: Balearic Islands , Spain
I have previously in my Peugeot had milky white stuff on my oil cap after sitting for a few weeks out in the street, particularly cold and rainy weeks, but it didn't have a blown head gasket like i thought at first, it was just some water that had condensated inside the engine.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

Top