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2017 Chevy Impala 3.6L V6 engine #4781157 06/08/18 10:46 AM
Joined: Apr 2018
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mjpcu86 Offline OP
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I recently purchased a black 2017 Chevy Impala LT with the 3.6L V6 engine with 20k miles. I love the car! That engine, when revved accelerates like a freight train (speeds in excess of triple digits are easy) and sounds like a race car! However, realizing that this is a modern engine and some of them are known to produce an over-abundance of sludge and varnish. I was wondering if anyone has any experience with that GM engine and whether it is durable or not?? Is it a sludger?? Any advice, thoughts, or good maintenance tricks would be greatly appreciated. Thanks.

Matt
2017 Impala LT, 3.6L V6
30k miles


Matt Polge
2017 Chevy Impala LT V6
30k miles
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781163 06/08/18 10:49 AM
Joined: Jun 2005
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IndyFan Online Content
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Posts: 1,065
I had the first gen of the direct injected version of that engine in a Buick Enclave, and I think we put 80k or so on it with no issues. It ran perfectly the whole time we had it.

My brother has it in a Chevy Traverse with well over 100k and no issues, as well. He's still got it and piling the miles on it. Great vehicle and great drivetrain.


18 Jeep JLUR Wrangler 3.6 20k
15 Ford Transit 125k, Reman 3.5 @85k
08 Jeep Wrangler 3.8 132k
01 Ford F150 Crew 5.4 85k
99 Mercedes E430 Sport 92k
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781189 06/08/18 11:15 AM
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FastLane Offline
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My father in law has 2 3.6. Traverse and An Impala. Traverse has 250,000kms on it. Impala has 200,000kms. No issues. He just uses Mobil or Catrol synthetic 5W30.


2010 Silverado 4.8 4x4 Mobil 1 5W30 Fram XG10060
2002 Mustang GT 4.6 Mobil 1 5W30 Fram XG2
1966 Cessna 150 Phillips 20W50
2013 Mercury 30hp Mystic 25W40
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781197 06/08/18 11:22 AM
Joined: Sep 2014
Posts: 1,677
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WobblyElvis Offline
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My son has a 3.6 DI engine in a Cadillac. 190,000 miles without problems. The early one's had timing chain problems but that is a thing of the past as long as you keep up with oil changes. Dexos Gen 2 is what you want. Never heard of a sludge problem with them. The Impala is supposed to be a great car with this engine. Enjoy!

Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781204 06/08/18 11:25 AM
Joined: Jun 2005
Posts: 1,065
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IndyFan Online Content
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The owner of a local Chevrolet dealer, shortly after purchasing it, drove all of the Chevrolet product line and then met with his employees. He told them they've got as good a lineup of vehicles as any company on the planet. He was driving a Mercedes S class at the time, which I think was 2014 or 15, or whenever the newest Impala came out. After driving it, he gave the S-class to his wife and has been driving new black Impala LTZ's ever since. He owns a lot of dealerships, so he isn't driving it just because he's promoting it. He genuinely loves that car and raves on and on about it.

I've not driven one, but the few people with whom I've spoken that have them really love them. I really like the styling on them.

Last edited by IndyFan; 06/08/18 11:26 AM.

18 Jeep JLUR Wrangler 3.6 20k
15 Ford Transit 125k, Reman 3.5 @85k
08 Jeep Wrangler 3.8 132k
01 Ford F150 Crew 5.4 85k
99 Mercedes E430 Sport 92k
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781233 06/08/18 11:56 AM
Joined: Oct 2008
Posts: 19,458
SteveSRT8 Offline
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One of the best looking sedans out there IMO...


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781274 06/08/18 12:47 PM
Joined: Sep 2010
Posts: 9,847
4WD Online Confused
Online Confused
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Posts: 9,847



Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781276 06/08/18 12:48 PM
Joined: Dec 2002
Posts: 1,750
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Rat407 Offline
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The 3.6 is known to abuse oil, at least the ones in our 2008 and 2011 Acaida did. Keep it changed at 5k and it will serve you well. I wouldn't go longer without a UOA.


2002 Silverado 5.3 0w-20 AMSOIL
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781277 06/08/18 12:49 PM
Joined: Aug 2016
Posts: 464
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carviewsonic Offline
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Joined: Aug 2016
Posts: 464
Just picked ours up 2 weeks ago, so not much experience to report with, but my wife and are impressed with it so far. I did much research, these latest gen Impalas are well regarded and have earned a good reputation for reliability and build quality. Not inexpensive, but good value in the new car market place.


'18 Impala
'05 Park Avenue
'03 Park Avenue
'07 Honda Accord
'09 VStar 1300
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781286 06/08/18 01:04 PM
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Posts: 3,110
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maxdustington Offline
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Maintenance tips:
-Do not be afraid to beat on it, this will help it not consume oil. Google "mototune break-in"
-Be firm with the dealership and make sure you go up the CoC upon encountering resistance. Do not let them blow you off. Keep your receipts if you get your oil changed anywhere but the dealership who will be servicing it.
-Swap the original engine oil early unless there is a reason you should not. I would do one change at 2000km and then another at 5 or 6000km and then proceed as normal.
-Drain and fill or cooler line flush the transmission fluid at 15-20k miles and add a magnefine filter at your splice if you flushed it.

EDIT: Thought it was brand new. Change all fluids.


welcome welcome welcome

Last edited by maxdustington; 06/08/18 01:05 PM.

03 Jetta AWP/09A 210k kms
Edge 0W40 + Mann 719/30
Re: 2017 Chevy Impala 3.6L V6 engine [Re: 4WD] #4781307 06/08/18 01:32 PM
Joined: Aug 2008
Posts: 2,580
Malo83 Offline
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Joined: Aug 2008
Posts: 2,580
Originally Posted By: 4WD





Stay away from extended oil changes, have a 08 Malibu LTZ with the 3.6 and she runs great, I do 5K oil changes with Pennz Platinum and Wix filters. thumbsup

Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781313 06/08/18 01:37 PM
Joined: Oct 2006
Posts: 1,983
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irv Offline
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Originally Posted By: mjpcu86
I recently purchased a black 2017 Chevy Impala LT with the 3.6L V6 engine with 20k miles. I love the car! That engine, when revved accelerates like a freight train (speeds in excess of triple digits are easy) and sounds like a race car! However, realizing that this is a modern engine and some of them are known to produce an over-abundance of sludge and varnish. I was wondering if anyone has any experience with that GM engine and whether it is durable or not?? Is it a sludger?? Any advice, thoughts, or good maintenance tricks would be greatly appreciated. Thanks.

Matt
2017 Impala LT, 3.6L V6
30k miles


Your "BOLD" statement concerned me as I have never read this before. Judging by the rest of the replies here, I'd say the info is false, at least with the newer models.
We purchased ours last November 17 and couldn't be happier! It has been an excellent car so far and trouble free with around 26,000 kms on it (We purchased it used with around 20k)

I have been using my favorite oil of choice in PUP 5W-30 and haven't noticed any oil consumption despite my wife only doing short city driving mainly of around 20 kms per day.

Great choice of color, by the way! Cheers2
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4570156/New,_to_us,_2017_Impala_Premie#Post4570156

I just finished waxing it within the last couple of weeks using Collinite 845 Insulator wax. Great wax and it sure makes it shine!


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum in all 3.
Re: 2017 Chevy Impala 3.6L V6 engine [Re: carviewsonic] #4781325 06/08/18 01:50 PM
Joined: Oct 2006
Posts: 1,983
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irv Offline
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Originally Posted By: carviewsonic
Just picked ours up 2 weeks ago, so not much experience to report with, but my wife and are impressed with it so far. I did much research, these latest gen Impalas are well regarded and have earned a good reputation for reliability and build quality. Not inexpensive, but good value in the new car market place.


Carviewsonic, I recently asked you in the vehicle section/Impala post if you got your new Impala yet.

Glad you did and glad to read you're enjoying it.

Like I mentioned in that post, it is, by far, the nicest vehicle we have ever owned. cheers


Last edited by irv; 06/08/18 01:51 PM.

2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum in all 3.
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781380 06/08/18 02:49 PM
Joined: Mar 2014
Posts: 4,056
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Leo99 Offline
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Don't know what engine, but a guy I work with has 300k on his newish Impala.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles
Re: 2017 Chevy Impala 3.6L V6 engine [Re: mjpcu86] #4781393 06/08/18 03:06 PM
Joined: Apr 2013
Posts: 6,275
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gregk24 Offline
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First of call, nice car! Second, I have never heard personally of a sludge issue with these 3.6's. I have heard of timing chain issues in the early models, but I do believe that has been remedied by now with new materials and shorter OCI's. So just keep the oil changed with a quality synthetic at 5K intervals and you should be golden.


2012 Honda Accord EX-L K24z3
58,xxx miles
PPPP 0w20 / Fram Ultra

2014 VW Jetta SE 1.8T ea888
48,xxx miles
Castrol Edge 0w40 / OEM filter
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