How are your 2012-2016 Impala's holding up? - Page 3 - Chevy Impala Forums
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post #31 of (permalink) Old 04-18-2019
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2012 Impala - One Year of Ownership

White 2012 Impala with the 3.6L LFX. Bought it with 56K on it. Now have 68K.

Had it one week and started getting an intermittent CEL. Codes were P0014 and P0024 (VVT camshaft actuators) - but - absolutely NO drivability issues. Low 30s for hwy mileage. Great acceleration/power. No idle issues.

I had the car's service history (for what that's worth) and it appeared the former owner had used synthetic oil during regular changes. When I checked the oil, it was dark to almost black. So I changed the oil and filter. (5W30 Mobile 1 and a Mobile One filter)

CEL light returned (same code) after 625 miles. Checked oil. Looked fine. Cleared code. Went another 1123 miles and CEL returned - again the same. This happened repeatedly but at intervals that were further and further apart. Again, no drivability issues.

Around 5000 miles, CEL came on with codes P0014 and P0024 (same parts, different banks). Changed the oil - this time using 5W30 Mobile One and a different filter - a smaller filter, AC Delco PF64. Since making that change, I have not had any issues. I last changed oil and filter at 66K. I'm not willing to let the Mobile One go much past 5K... (I know, I know - but oil is cheap.)

Other than these minor issues, great car. Really impressed with the MPG for such a large car!
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post #32 of (permalink) Old 04-18-2019
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Quote:
Originally Posted by Gralea View Post
White 2012 Impala with the 3.6L LFX. Bought it with 56K on it. Now have 68K.<snip>

Changed the oil - this time using 5W30 Mobile One and a different filter - a smaller filter, AC Delco PF64.
What filter were you using before going to the PF64?


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post #33 of (permalink) Old 04-18-2019
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^ Doug, I think he said he had a Mobil 1 oil filter on it prior the PF64. Maybe different bypass valve psi and anti-drain back valve location. I know my old Ford 3.0 24v dohc Duratec engines didn't like the Mobil 1 oil filters. Every start-up had that oil/filter change pre-prime knock. They didn't care for Fram's "orange can of doom" either, lol.

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post #34 of (permalink) Old 04-18-2019
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^ Doug, I think he said he had a Mobil 1 oil filter on it prior the PF64. Maybe different bypass valve psi and anti-drain back valve location. I know my old Ford 3.0 24v dohc Duratec engines didn't like the Mobil 1 oil filters. Every start-up had that oil/filter change pre-prime knock. They didn't care for Fram's "orange can of doom" either, lol.
Thanks, Sheila. I only read Gralea's post 2 times looking for that before I posted Third time was the charm.

Bypass pressure was what I was wondering about - could it make a difference in how the variable valve timing works, enough to cause a code? The mention of PF64 reminded me of the spec change GM made on the LFX filters (but I have to dig out my notes for all the details).

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post #35 of (permalink) Old 04-19-2019
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Oil Filter(s)...

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Originally Posted by plano-doug View Post
What filter were you using before going to the PF64?


Doug

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Sorry - didn't see this until now - and I realize I misspelled "Mobil" - I live near Mobile, AL, so that's my excuse...

When I bought the car it had a Fram PH10060 (looked like a bulk garage purchased filter). I changed the oil to Mobil 1 5W30 (6 qts.) and used a M1-212A filter. Later, after reading that the 2012 3.6L comes from the factory with an AC Delco PF64, I switched to the PF64. Since I made the switch at 62500 miles, no CEL. No issues at all. Changed oil again at 67000 (oil looked good) and replaced again with M1 5W30 and PF64.

It could be that the oil changes corrected the problem and the filter size (PF64 or PF63E) was irrelevant. I do know there's a TSB out there for P0014, P0024 "with no drivability issues" on the 2012 3.6L LFX. I was ready to replace the camshaft actuator(s) since they're relatively inexpensive and fairly easy to replace. If I get the code again, that's probably what I would do.
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post #36 of (permalink) Old 04-19-2019
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My '12/'13's were bought used in 2013 from Chevy dealers and came with the old PF48 installed even though the owners manuals spec'd PF63. Since then, I guess things have moved to the PF63E or the PF64. I are cornfused, lol!
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post #37 of (permalink) Old 04-19-2019
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Quote:
Originally Posted by sheila View Post
My '12/'13's were bought used in 2013 from Chevy dealers and came with the old PF48 installed even though the owners manuals spec'd PF63. Since then, I guess things have moved to the PF63E or the PF64. I are cornfused, lol!
So is GM when I called and talked to them lol. Finally they said PF63E
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post #38 of (permalink) Old 04-19-2019
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I've been getting consistently great results with Bosch 3502 premium filters, as confirmed by the Blackstone analysis that I have performed on the used oil after every drain.

I use Bosch premium filters on all my vehicles. They're well made (in the USA), seal properly, perform great, and don't cost a whole lot more than the "junk" filters do.

Tried a K&N premium oil filter once when my local parts store was out of stock on the Bosch. The thing wouldn't seal right, and I ended up having to replace it right away with a Bosch that I ordered from Amazon Prime.

You can't go wrong with a Bosch 3502, and I have the reports to back up my claim.

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post #39 of (permalink) Old 04-21-2019
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Quote:
Originally Posted by Tesla View Post
I've been getting consistently great results with Bosch 3502 premium filters, as confirmed by the Blackstone analysis that I have performed on the used oil after every drain.

I use Bosch premium filters on all my vehicles. They're well made (in the USA), seal properly, perform great, and don't cost a whole lot more than the "junk" filters do.

Tried a K&N premium oil filter once when my local parts store was out of stock on the Bosch. The thing wouldn't seal right, and I ended up having to replace it right away with a Bosch that I ordered from Amazon Prime.

You can't go wrong with a Bosch 3502, and I have the reports to back up my claim.

Please post the Blackstone report. Should be several columns of analysis reflected on one sheet.
I'm always interested to see real world data. Nobody can call BS on cold hard numbers either.

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post #40 of (permalink) Old 04-22-2019
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Quote:
Originally Posted by hatzie View Post
Please post the Blackstone report. Should be several columns of analysis reflected on one sheet.
I'm always interested to see real world data. Nobody can call BS on cold hard numbers either.
Here ya go ...



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post #41 of (permalink) Old 04-25-2019
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Hey all!

Awesome thread. My name is Jonathan and I own a 2012 impala lt. If any of you have Instagram, follow my build/page @1sick_12impala. I bought the car when I was 18 ( 3 years ago almost) at roughly 65k miles. She now has just shy of 91k miles on her. Since Iíve had the car Iíve:
-replaced about 13 actuators
-had the water pump go out and replaced that myself
-replaced the motor mount (was shot)
-I do oil changes every 3k miles
-did a full tune up from the miles 80-90k by full tune up I mean Iíve replaced the spark plugs, flushed all fluids (including tranny) and replaced them all
-I have an exceptional amount of after market pieces on the car. Iíve driven her to California and back roughly about 13 hours with no issues.

I definitely feel the difference between when I first had my car and now. Doesnít seem to be as quick and throttle response isnít the same anymore. Granted Iíve probably beat the crap out of it. I do have a dog whistle type noise when the cars about to upshift though. Goes away when it shifts and comes back right before the next gear.

Thanks for the thread again! If any of you know what that whistle noise is please let me know!!


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post #42 of (permalink) Old 04-26-2019
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Mine has been alright. Purchased at 24K and now have 154K on it. Tuned it shortly after I purchased it and did some suspension upgrades including thicker sway bars, kyb quick struts and strut tower braces. Improved handling exponentially.

As far as required maintenance I've used full synthetic oils usually Mobil 1 or Pennzoil platinum and AC Delco filter. I've replaced all the wheel bearings, brakes and rotors. The front wheel bearings definitely don't last forever. Changed the transmission fluid at 100k. Also replaced vent canister and purge valve. Had codes for both. I drive 40 miles to and from work everyday and also do Uber so I think I've put the car through it's paces and I honestly can't complain about reliability. Also just replaced the windshield washer motor it crapped out the other week. Super easy to change out.

On another note a good set of tires and it does great in the snow.
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post #43 of (permalink) Old 04-27-2019
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Bought my 2014 ltz 2 years at 80,000 miles at 112,000 now and still strong. I have had to replace and do maintenance on small things like brakes, rotors abs sensors, wheel hubs. Had e vap system problems solved those (gas cap). Waiting on ZZP drop in KYB AGX struts that come with lowering springs. I almost got coilovers. I just didnt want to adjust the height. I want to drop 2 in front and 1 1/2 in rear which zzp claims they do. I will add pics soon enough of my smaller mods. I will introduce Black Betty to the forum this weekend. Glad this is here it has helped me not put car in shop.
post #44 of (permalink) Old 05-28-2019
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Bought My 2013 LT in October 2017 with 49k miles on it. About to hit 79k. Also installed the trifecta tune this past weekend.

Holy guacamole what a difference! I should have bought it much sooner.
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