oil filter for 2016 impala V6 - Page 2 - Chevy Impala Forums
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post #16 of (permalink) Old 09-22-2018 Thread Starter
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Thanks for the replies. I went and bought the Amsoil EAO17, found some good reviews on it .
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post #17 of (permalink) Old 09-22-2018
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Quote:
Originally Posted by jtrosky View Post
I believe that the main difference between all of these filters (besides the size - some are taller than others) is the bypass valve specs. The PF63E uses a 22psi bypass valve and the others use a 12psi bypass valve (if I remember correctly). But when you think about this, all that means is that the "wrong" filters will bypass quicker than the "right" filters. Keep in mind that the bypass valve is only used in rare situations (inital startup if oil is really cold and thicker than normal and if the filter is too clogged to operate normally are the two main reasons that I can think of). Personally, in those cases, I think you'd be better off bypassing in order to give the engine the oil it needs. To me, dirty oil is better than not enough oil. They specified the 12psi spec filter for my 2012 for like 3 years before eventually changing the spec to 22psi.

If you change your oil filter frequently and don't live in Alaska, I highly doubt the bypass valve spec difference will make any difference whatsoever - and if anything, to me, a lower psi bypass valve seems "safer" than a higher psi bypass valve. Again, I would rather feed my engine dirty oil than starve it of oil.

Hell, for all we know, GM changed the spec because the engines were lasting *too* long! :-) After all, they *are* in the business of selling cars! Yes, that is a "conspiracy"-theory type statement and is probably a little overboard, but hey, you never know! Or maybe it was an attempt to deny warranty claims becuase people were using the "wrong" oil filter. Or maybe it was an attempt to force people to buy AC-Delco oil fitlers becuase they are now the only ones that meet their (changed) specs! Obviously, we have evidence of these cars using the "wrong" filter for 150k miles and they are running fine, so I truly don't believe the lower psi bypass valve is a major issue at all.

All of that being said - I'm curious to hear "alternative views" on the subject! :-)
It's not because the engines were lasting too long, the change was done because the engine specifications changed and the 2012+ engines got tighter inside requiring higher oil pressures. See this techlink article for more info. https://sandyblogs.com/techlink/?p=4518


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post #18 of (permalink) Old 09-22-2018
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But then why did GM not change the specification for my Impala until a few years after it came out? The original PF63 oil filter was specified for my 2012 for a few years before they changed the specification (the original PF63 had the lower bypass valve spec). Surely, they would have realized that the spec needed change right away if they changed the internal clearances? Did it really take them a few years to realize this?

And why do they still recommend the lower bypass valve spec for the police Impalas (same engine, slightly modified tune)?

Something just doesn't add up here...

And please don't get me wrong - I'm not trying to shoot the messenger here. I've seen that article that you linked to before, but that is the ONLY place I've read such a thing and not sure what to believe. To me, if they changed the internal clearances enough to warranty an oil pressure change, you'd think that they would also adjust the oil filter specs to match - instead of waiting a few years - and even then, not changing it for police vehicle oil filters, which are driven harder and longer than normal vehicles.

They also state "starting in 2012" - so does that mean that some LFX engines are differernt than others? Or are they saying that 2012 is when the LFX engine was first being produced? Obviously, if some LFX engines have higher tolerances than others, that could really be confusing! :-) I also wonder why the TSB mentioned above only covers 2012 and 2013 Impalas, even though the TSB is dated 2017 - what about the 2014+ Impalas - they don't need the revied oil filter? :-) It just doesn't make sense to me.

Like I said above, I'm certainly not an expert on the subject, so these are genuine questions. Either GM really dropped the ball (by not adjusting the oil filter specs originally *and* not updating the specs for police vehicles) or someone is making this crap up.

I also wonder if the oil filter spec difference *really* makes a difference on properly maintained cars...

Last edited by jtrosky; 09-22-2018 at 08:28 AM.
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post #19 of (permalink) Old 09-22-2018
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I cannot find the oil filter type for my car in my manual (2013 Impala LT) So looked at the one installed which reads "GROUP V2500" Anyone know of this brand? I did find on the internet a GMC V2500, why isn't that info in my booklet?
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post #20 of (permalink) Old 09-22-2018
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It should defintiely be in your owners manual, but what it says there is apparently incorrect anyway... :-)

Here is the "Maintenance Replacement Parts" section from my 2012 Owners Manual:

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post #21 of (permalink) Old 09-22-2018
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And there it is! I was looking in all the wrong places. Thank you jtrosky. My page was 11-13 so looks like they added a page ...hmmmm
Would you know how this equates to the filter I have under the hood now? Can't find any good info for that yet.
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post #22 of (permalink) Old 09-22-2018
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Quote:
Originally Posted by Kiowah View Post
I'll say thanks! Having my oil changed Monday and this was verrrrrrrry interesting to say the least. I'm imagining myself arguing for the wrong filter to be placed on my car. Hahaha
Imagine the chevy dealer we bought our 12 from new would still be using a pf48 on our car if I had not questioned them on the tsb. Printed off the tsb and handed it to the service advisor, all the while he maintained the pf48 was "not the wrong filter but that they would use the pf63 if that was what I wanted".

Doubtful they made a change in their protocol, they would have to admit they used the wrong part. Sure there are several owners who don't know about the tsb, refer back to wondering about accountability of gm authorized sevc depts using improper parts.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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post #23 of (permalink) Old 09-22-2018
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Quote:
Originally Posted by Kiowah View Post
I cannot find the oil filter type for my car in my manual (2013 Impala LT) So looked at the one installed which reads "GROUP V2500" Anyone know of this brand? I did find on the internet a GMC V2500, why isn't that info in my booklet?
I ran into something similar the other day. I let the Ford dealer change the oil in my daughter's Escape while they were doing recall work on the door latches.

Needless to say, when I saw what appeared to be some sort of off-brand filter on it, I was dismayed. But after drilling down on it, I satisfied myself it was acceptable.

Some quick googling shows that your V2500 is a Purolator filter, so you can be sure it's a quality filter. But I cannot speak for whether it is the correct cross for a PF63E

Doug

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If your socket set is all the same brand, you might be a city slicker.

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post #24 of (permalink) Old 09-22-2018
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Quote:
Originally Posted by 12 lt View Post
Imagine the chevy dealer we bought our 12 from new would still be using a pf48 on our car if I had not questioned them on the tsb. Printed off the tsb and handed it to the service advisor, all the while he maintained the pf48 was "not the wrong filter but that they would use the pf63 if that was what I wanted".

Doubtful they made a change in their protocol, they would have to admit they used the wrong part. Sure there are several owners who don't know about the tsb, refer back to wondering about accountability of gm authorized sevc depts using improper parts.
It's going to be an interesting day come Monday! And this is my fourth try finding a trustworthy mechanic.
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Quote:
Originally Posted by plano-doug View Post
I ran into something similar the other day. I let the Ford dealer change the oil in my daughter's Escape while they were doing recall work on the door latches.

Needless to say, when I saw what appeared to be some sort of off-brand filter on it, I was dismayed. But after drilling down on it, I satisfied myself it was acceptable.

Some quick googling shows that your V2500 is a Purolator filter, so you can be sure it's a quality filter. But I cannot speak for whether it is the correct cross for a PF63E

Doug

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Thanks for your input and information, I was not familiar with the Purolator brand nor GROUP
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post #26 of (permalink) Old 09-22-2018
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Found this info from a GM Service Bulletin in regards to the change in filter design and bypass pressure.

This applies to All GM Passenger Cars and Trucks 2012-2017


Today's engine has very tight tolerances, two stage oil pumps and high flow lubrication system requirements. The proper match of oil filter to engine application is more important than it has ever been in the past. The use of a replacement oil filter with an internal bypass valve opening pressure specifications of 15 PSI (100 kPa) or less, allows debris to circulate in the engine causing damage to bearings and other tight tolerances areas, which may result in premature engine failure.

The oil pressure was increased to accommodate these tighter tolerances. As a result, the oil filter specifications of the production oil filter and the service oil filter were also improved to meet the new engine requirements.

Beginning in 2012, the oil pumps began to regulate main gallery feedback instead of pump out pressure. This means that the oil pump now does not begin to regulate until pressure is built up to the main gallery. This change reduces the amount of time it takes to provide oil to the engine bearing and lifters during extreme cold start conditions.

Main gallery feedback oil pump control systems are present on the following engine families which use Spin-on oil filters: Small Gas Engine (SGE), Large Gas Engine (LGE), High Feature (HFV6) Gen2 and Small Block Gen5 gasoline engines. These engines with the main gallery feedback oil pump control systems are factory built with
an ACDelcoŽ oil filters.

Important: The PF64 and PF63, which is commonly confused by many in the automobile service industry as an ACDelcoŽ PF48 and/or PF48E , because both oil filters have the same appearance and oil can size. However these oil filters are not the same and have different internal bypass valve opening pressure specifications
(PF48/PF48E = 15 PSI (100 kPa), PF64/PF63E = 22 PSI (150 kPa).

Note: Any aftermarket filter must also have an internal bypass valve opening pressure specification, element integrity, filtration performance, media particle trap specification and burst strength that is equivalent to the ACDelco PF64/PF63E filters.
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post #27 of (permalink) Old 09-22-2018
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Quote:
Note: Any aftermarket filter must also have an internal bypass valve opening pressure specification, element integrity, filtration performance, media particle trap specification and burst strength that is equivalent to the ACDelco PF64/PF63E filters.
In doing some research among the major brands, the only filters that states that it meets the newer GM specification besides AC Delco are WIX and WIX XP Filters, All the Purolator Filters and All NAPA Filters They state that they have the bypass valve opening at 22 PSI.

The Fram Ultra Guard shows 9-15 PSI, Mobil 1 does not state any specifications, Royal Purple, does not state any specifications, BOSCH shows 15.5 PSI, K&N shows 11-17 PSI.

Not everybody is on the same page as far as the specs go. I did send an E-mail to Mobil 1 requesting the bypass opening pressure on the M1-212. Mobil 1 & Royal Purple Filters (and probably others) are manufactured by Champion Labs. They get excellent reviews for build quality and filtering ability, but listing the specs as others do would be nice. I will post specs for Mobil 1 if they reply back.
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post #28 of (permalink) Old 09-22-2018
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Thanks Bowtie396. Very helpful especially when you have a slow internet connection and some sites just don't load like they use to.
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post #29 of (permalink) Old 09-22-2018
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I'm still really curious why 12psi filter is still the recommended filter for the police Impalas with the same engine. I still smell something fishy going on here (and I'm not normally the conspiracy-theory type). :-)

Apparently, the LFX is normally at around 60psi oil pressure - so I guess the oil pressue is WAY less at the oil filter (or else it would always be bypassing!). So I wonder what the normal pressure is at the oil filter (assuming regular oil changes).

If you do use Wix filters (I do) and want to make sure you have one with the new higher bypass spec, do not go by cross-reference charts (the vast majority are wrong). As @Maven pointed out earlier, the only Wix filter with the 22psi spec is the 57502 (most cross-reference charts will reference to the 54045 and 54060, which have the lower bypass spec).

I still have some of the lower bypass spec Wix filter and am still going to use them. Maybe when I buy more, I'll switch to the 57502 - but then again, by that time, GM may change the PSI spec again, so who know. ;-)
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post #30 of (permalink) Old 09-22-2018
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If you go the the WIX Website and do a filter look up for a 2014 Impala 3.6L it states:

XP
WL10255XP - Tall
WL10290XP - Short

Standard
WL10255 - Tall
WL10290 - Short

All have 22psi Bypass Opening.

There is no reference to the 57502 for a 3.6L Impala. It actually shows the 57502 is for a large variety of Ford Applications. it may fit, but it is not the filter WIX calls out for a 3.6L Chevrolet Impala Current Generation or Previous Generation. The cross reference on the WIX site for a PF-63 or PF-63E is the 10255 or 10255XP.
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Last edited by Bowtie396; 09-22-2018 at 02:10 PM.
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