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Lighter oil color after changing filter #4499038
08/26/17 11:06 PM
08/26/17 11:06 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline OP
L_Sludger  Offline OP
Joined: Oct 2009
Posts: 3,947
Ohio
Here's an interesting one.

I did a long-awaited oil change on the original Louisville Sludger, a 1996 Toyota Avalon with the legendary 1MZ-FE "Sludge Commander" motor.

To this day, people on this forum whisper in hushed tones about the sea of sludge this motor unleashed upon the pristine driveways of America's motorists.

So when I did the oil change [MaxLife 5w30], I didn't have a filter wrench handy and had to put the filter change off for a day. The old filter, which I will cut open and post about at some point, seemed to have been installed with an impact wrench.

The oil color on the dipstick was a little darker than I expected with the new oil and the old filter.

When I changed the filter and ran the car for a couple of days, I checked the oil level once more and, surprise surprise, the oil color had lightened considerably!

Since I still have the old oil filter I can do a blot test of the oil that is in the canister and compare it to the output of the dipstick. But this is a subjective observation right now: The oil color had lightened with the new filter installation. Very bizarre! The old filter had no doubt been loaded up to its absolute maximum with sludge and golden bottom end bearing glitter.

One thing to note was that I ran Wal-Mart's Seafoam equivalent 'motor treatment' through the brake booster and also in the sump, immediately before changing this oil, so there will have been more crud in the old filter than in a normal case.

Has this ever happened to anyone here?

PS I found a 1MZ-FE valve cover gasket among my stash of miscellaneous engine stuff. Just one cover out of two. But its the perfect excuse for me to yank off the front valve cover and take a photo or two of the dreaded varnish that is to be. This car was criminally neglected before it fell into my hands, so I expect to see a mess of varnish and sludge when the cover comes off. 246,000 miles on this motor.


too many cars and oil combinations to list in 150 characters or less
Re: Lighter oil color after changing filter [Re: L_Sludger] #4499082
08/27/17 12:38 AM
08/27/17 12:38 AM
Joined: Feb 2013
Posts: 422
Nevada, USA
gaijinnv Offline
gaijinnv  Offline
Joined: Feb 2013
Posts: 422
Nevada, USA
Oil looking cleaner after installation of a new oil filter?

Nope. Never heard of that one ... duh


USN NAVSECGRU 1970-1974
Re: Lighter oil color after changing filter [Re: L_Sludger] #4499140
08/27/17 05:33 AM
08/27/17 05:33 AM
Joined: Jan 2011
Posts: 2,714
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,714
N.Ohio
The effects of the solar eclipse?


The "thinking" man's friend.
Re: Lighter oil color after changing filter [Re: L_Sludger] #4499156
08/27/17 06:31 AM
08/27/17 06:31 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Maybe- after installing a new BYPASS filter...


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Lighter oil color after changing filter [Re: Linctex] #4499161
08/27/17 06:51 AM
08/27/17 06:51 AM
Joined: Aug 2010
Posts: 5,651
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,651
Champlain/Hudson Valley
Running your new oil through what was likely a horribly filthy filter must've hurt.

Re: Lighter oil color after changing filter [Re: L_Sludger] #4499254
08/27/17 09:05 AM
08/27/17 09:05 AM
Joined: Oct 2014
Posts: 11,827
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,827
Idaho
Did you add make up oil?


"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf
Re: Lighter oil color after changing filter [Re: Kira] #4499273
08/27/17 09:35 AM
08/27/17 09:35 AM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline OP
L_Sludger  Offline OP
Joined: Oct 2009
Posts: 3,947
Ohio
Originally Posted By: Kira
Running your new oil through what was likely a horribly filthy filter must've hurt.
it sucked bad.


too many cars and oil combinations to list in 150 characters or less
Re: Lighter oil color after changing filter [Re: CT8] #4499276
08/27/17 09:36 AM
08/27/17 09:36 AM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline OP
L_Sludger  Offline OP
Joined: Oct 2009
Posts: 3,947
Ohio
Originally Posted By: CT8
Did you add make up oil?

No, I didnt add anything. I put my whole jugg of max life into the sump with the old filter still installed. I actually need to add oil to get the level back up to fool!


too many cars and oil combinations to list in 150 characters or less
Re: Lighter oil color after changing filter [Re: Linctex] #4499280
08/27/17 09:39 AM
08/27/17 09:39 AM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline OP
L_Sludger  Offline OP
Joined: Oct 2009
Posts: 3,947
Ohio
Originally Posted By: Linctex
Maybe- after installing a new BYPASS filter...

That would make so much more sense. Besides, I used a $0.75 (Walmart super blowout) Bosch filter originally supposed to be fitted to a 1980s BMW. All I cared about was matching diameter and threads, which this one did.


too many cars and oil combinations to list in 150 characters or less
Re: Lighter oil color after changing filter [Re: L_Sludger] #4499314
08/27/17 10:08 AM
08/27/17 10:08 AM
Joined: Jun 2016
Posts: 2,967
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,967
MN
L_Sludger, there was a thread here a while back which basically proved that oil filters do NOT get more efficient with age. This is what you saw. The old oil filter was opening up, allowing tumble-through, and allowing more dirt to circulate. The new oil filter caught it. Its consistent with known effects.

Re: Lighter oil color after changing filter [Re: oil_film_movies] #4499381
08/27/17 11:23 AM
08/27/17 11:23 AM
Joined: Jul 2010
Posts: 18,657
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,657
PNW
^^^ Makes the most sense. The old filter could have had some teats in the media too.

Re: Lighter oil color after changing filter [Re: L_Sludger] #4499917
08/27/17 11:18 PM
08/27/17 11:18 PM
Joined: Mar 2016
Posts: 1,393
Western S.C. since 1996
CR94 Offline
CR94  Offline
Joined: Mar 2016
Posts: 1,393
Western S.C. since 1996
Autopsy of the old filter will reveal the reason.


2011 Toyota Prius now at 92K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Lighter oil color after changing filter [Re: oil_film_movies] #4500012
08/28/17 05:21 AM
08/28/17 05:21 AM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline OP
L_Sludger  Offline OP
Joined: Oct 2009
Posts: 3,947
Ohio
Originally Posted By: oil_film_movies
L_Sludger, there was a thread here a while back which basically proved that oil filters do NOT get more efficient with age. This is what you saw. The old oil filter was opening up, allowing tumble-through, and allowing more dirt to circulate. The new oil filter caught it. Its consistent with known effects.
nice post Sir. Good food for thought. That old filter was down for the count. I just need to figure out how to open it!


too many cars and oil combinations to list in 150 characters or less
Re: Lighter oil color after changing filter [Re: oil_film_movies] #4500239
08/28/17 10:33 AM
08/28/17 10:33 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: oil_film_movies
L_Sludger, there was a thread here a while back which basically proved that oil filters do NOT get more efficient with age. The old oil filter was opening up, .


Proof of this, please.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Lighter oil color after changing filter [Re: L_Sludger] #4500240
08/28/17 10:34 AM
08/28/17 10:34 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: L_Sludger

That would make so much more sense. Besides, I used a $0.75 (Walmart super blowout) Bosch filter originally supposed to be fitted to a 1980s BMW. All I cared about was matching diameter and threads, which this one did.


Let me guess - - D3421?
Same as D3422 but with a different bypass setting.... looks like a longer FL400s

I grabbed about 10 of them, as well!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
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