Napa Gold 7082 (by Wix)

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BigTallV

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Just did a drain on my '05 Pontiac Pursuit (re-badge of the Cobalt/G5) with a 2.2L Ecotec. Pulled the filter, a Napa Gold 7082, and snapped a few pictures shown here. When I went to install the new filter, I noted the manufacturing markings on it indicating it's made in Poland. The used filter didn't have any country markings on it from what I could see.

This last OCI was over 10,000KM (6400 Miles), well within the capabilities of this Wix made filter. I guess over the next half year I'll find out how the new one holds up.

Regards,
/BTV
 
Originally Posted By: chubbs1
I'm getting sea sick looking at it. Are you losing any coolant? Short tripper? Just Moisture? I'm sure it did what it was supposed to though.


No coolant loss at all. Mix of highway and city, heavier on the highway though.

Sea sick from the pleats, photo rotation or something you're seeing that I'm not? The UOA I'm about to send to the lab will ultimately tell the story, but if it's of any measure - the prior two UOA's showed "N" for water and "N" for Glycol %.

Prior two filters I looked at came out looking about the same condition. Prior to that the OC was always done at a quick-lube shop, so I never got a look at those filters before they were dumped into the waste bin.
 
That looks like what should be a Pf 457g. I had the same problem with Wix and to a lesser extent with Pure 1 s for that application. I think they're a little too long. The Delcos work perfectly. I always dig through the inventory to find the US made ones and stock up. The dealers are stocking them made in i believe Rumania. Rockauto and Advance Auto had the American made ones.
 
Hmmm, interesting. Looks like the Purolator labeled/made cartridge filters aren't the only ones that 'seem' to have issues in some applications.

Perhaps it's more application related (Ecotec?) than filter design related.
21.gif
That said, the non linear pleats don't appear to have compromised the filter function.
 
Originally Posted By: sayjac
Hmmm, interesting. Looks like the Purolator labeled/made cartridge filters aren't the only ones that 'seem' to have issues in some applications.

Perhaps it's more application related (Ecotec?) than filter design related.
21.gif
That said, the non linear pleats don't appear to have compromised the filter function.


Here's the prior two UOA's:
2005PontiacPursuitUOA

Some fuel dilution, yes. Otherwise FS seems to have done well. Unfortunately my lab (Fluid Life Corporation) doesn't include insolubles in their Series 1 test.

The car was doing more short trips previously. This past run the car has been way more highway and favourable ambient weather.

I switched to Napa Gold (nee Wix) as it's well regarded as a quality filter. Maybe this is a cartridge design issue for this model, or as was perviously stated, an Ecotec 'thing'.

Does anyone have examples of filters in this engine that prove out better? I could give it a whirl on the next sump.
 
Originally Posted By: johnachak
That looks like what should be a Pf 457g. I had the same problem with Wix and to a lesser extent with Pure 1 s for that application. I think they're a little too long. The Delcos work perfectly. I always dig through the inventory to find the US made ones and stock up. The dealers are stocking them made in i believe Rumania. Rockauto and Advance Auto had the American made ones.


Thanks johnachak, I'll price out an ACDelco. The owners manual says a PF456G, but the ACDelco (Canada) site says a PF457G (my 2.2L is vin code 'F'), my guess is that the OE part has been superceded by the PF457G.

Maybe the dealer will give me jobber/trade pricing.
 
Rockauto.com has them. If you buy a few you spread out the shipping costs. If I remember correctly the old 456# was superseded by the 457. The 458g is the part # for the filter and cap assembly. Last I checked it was less than $10 for both. Good luck. Not that I think you'll need it.
 
GM upgraded the cap for the Ecotec's. I don't remember the year though. Next time around, just buy the PF458G. The older cap with the newer filters = wavy media.
 
Originally Posted By: Finklejag
GM upgraded the cap for the Ecotec's. I don't remember the year though. Next time around, just buy the PF458G. The older cap with the newer filters = wavy media.


Thanks for the tip. I'll order one with the cap next time. Won't hurt to have an extra cap on hand and using the old one as a spare. I always tighten to spec using a torque wrench as this is a plastic cap, so I'm unlikely to run into trouble with stripping the threads or breaking the cap by getting overzealous when snugging it up. But it doesn't hurt to have a spare.

Thanks to all for your feedback.
/BTV
 
Ya, to me that looks like it's crushed down not coolant related. I seem to remember reading the posts about the new cap being introduced before 2006 because I wasn't worried about getting one for my car. Maybe mid-year 2005, if you look through some posts you should be able to find it.

Now the thing that I find odd is that I'm pretty sure all of the Wix that I have used have been the flat end cap design, not the cup like you have pictured. Don't really have a technical reason why but I like the flat ones, maybe because the Hengst made ACDelcos are that design.

Is it possible that Wix isn't making these for NAPA? It has been said that there aren't a lot of factories making these maybe Wix doesn't. I was told by Baldwin that they do make their own in Korea and their pic online shows the flat caps.
 
There are a lot of posts on this topic. I have owned my Pontiac since 2004 so have consequently been changing the oil and dealing with these filters since 2004 also. The waviness your wix filter shows is totally normal. All of the cartridge filters in this application do this (at least to some degree) in my experience, regardless of which cap you have. The big thing to look for is that the pleats don't stretch to the point that they rip and make a hole in the filter. In my experience, The AC delco (hengst, made in usa), purolator pure 1 and fram tough guard filters show the least waviness and seem to give the least valve chatter on start up. Personally, I stick with pure 1 when they are on sale and the hengst made AC delco when I can find them at advance auto. I have not tried the K&N in this application (due to its high price tag) but it looks good before being used. Of course, YMMV in this application but I doubt it.
 
Originally Posted By: cp3
AMC I'll be posting some pics of the one in my car when it comes out.


Do you have the K&N in there now as your sig says? If so that will be interesting, thanks. I have the p1 in mine now but it wont be a while till it is ready to be changed. I'll post if I find anything out of the ordinary. I am fully expecting some wavy stretching of the filter, it just happens with these filters!
 
Yep, in there now. About 5000km on it so far, probably about 8000 to go so it'll be a while. Not sure what to expect with this as far as wavy goes. Every Wix I've used has done it though. I'll be trying the Baldwin next time.
 
Originally Posted By: Greaser
YA... I'm going to get the new cap also.My son's Cobalt has the same wavy filter media and I don't like it.


Almost every filter for the ecotec does this.

On the subject of wix...
I used to use napa filters in mine until I found out that they SHOULD come with a thicker o-ring. never used them again.
 
Originally Posted By: kemo

On the subject of wix...
I used to use napa filters in mine until I found out that they SHOULD come with a thicker o-ring. never used them again.


The o-ring for the cap?
 
Originally Posted By: kemo
Originally Posted By: Greaser
YA... I'm going to get the new cap also.My son's Cobalt has the same wavy filter media and I don't like it.


Almost every filter for the ecotec does this.

On the subject of wix...
I used to use napa filters in mine until I found out that they SHOULD come with a thicker o-ring. never used them again.


Ding, ding, ding! You nailed it on the head sir! The napa gold/wix 7082 is a well made filter but I have to agree with you and say, the O-rings are too small! The o-ring for the bottom of the filter element is a very loose fit in the housing that is goes into and the o-ring for the filter cap isn't real snug either. The best fitting o-rings in my experience are the fram tough guard and the AC Delco filters. The Pure 1 I am using now was just an OK fit, acceptable for me anyways.
 
I've used the NAPA Gold 7092 (also a Polish cartridge product) for many years in a '99 Olds Intrigue 3.5...never experienced any issues at 6-7K OLM OCIs.
 
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