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01-28-2023, 01:42 PM
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Join Date: Apr 2009
Location: calgary
Posts: 1,521
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Thoughts on GM 5.3 L engine. Good? Bad?
Looking at buying a 2013 GMC truck. Seems like a good deal. Just wondering what the wealth of experience here could tell me. I have heard from a couple people the 5.3 is a good motor.
Thanks for any info good , bad or other wise.
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01-28-2023, 01:50 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 44,842
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The active fuel management is the biggest issue that exists on the 5.3 engine.
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01-28-2023, 02:03 PM
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Join Date: Dec 2011
Posts: 1,156
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Excellent motor in my experience with it.
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01-28-2023, 02:06 PM
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Join Date: Jul 2010
Location: Edmonton
Posts: 11,851
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Had 3 GMC trucks with the 5.3 ranging from 2013 thru 2019 - never had an issue with any of them and drove them all well beyond 100K.
Very fuel efficient, reasonably good for towing anything you might tow with a half ton and never had to fix anything.
It's pretty much the "standard" for GMC/Chev similarly to what the 5.0 would be for the Ford. Good, Solid engines with a long track record of reliability.
Both based on older technology, proven over time.
I'd say it's a very safe choice.
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01-28-2023, 02:09 PM
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Moderator
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Join Date: Jun 2010
Location: Stony Plain
Posts: 6,570
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My 08 GMC only has 325000 k on it, so hard to tell if is going to be any good long term, but so far it’s been pretty reliable.
I had to replace one coil pack at around 225k and a fuel pressure sensor at around 300k
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01-28-2023, 02:22 PM
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Join Date: Oct 2009
Location: Beaver Mines AB.
Posts: 879
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I'm on my third one 2000 2014 2019 never had a single problem with all of them. I tow a 24 ft North Trail RV with the 2019 without any trouble.
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01-28-2023, 02:34 PM
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Join Date: Mar 2013
Location: Camrose county
Posts: 3,489
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I have an 05 GMC,it' has a 5.3 ,I think it's great, and pretty good on fuel,325 k. and no issues other than changing out the oil pressure censor.
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01-28-2023, 03:21 PM
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Join Date: Jul 2010
Location: Edmonton
Posts: 11,851
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Quote:
Originally Posted by jungleboy
My 08 GMC only has 325000 k on it, so hard to tell if is going to be any good long term, but so far it’s been pretty reliable.
I had to replace one coil pack at around 225k and a fuel pressure sensor at around 300k
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I think this sums it up.
For any gasoline engine to give it's owner over 300K ........ you simply can't expect much more than that.
My dad ran a 79' Jimmy (old 350 which was the 5.7) and ran it 500,000 MILES before it needed any significant work.
The "modern" 5.3 (20 years or so ago) is the next generation of that old, tried, tested and reliable engine.
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01-28-2023, 03:36 PM
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Moderator
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Join Date: Jun 2010
Location: Stony Plain
Posts: 6,570
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I saw a 2011 gmc for sale a while back with 560 k on it. The guy wanted 14g for it 😂
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01-28-2023, 03:45 PM
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Join Date: May 2007
Location: Fort Sask, AB
Posts: 4,910
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I still have 2 Sierras with the 5.3.
My 2004 has 428k km and my 2012 has 285k km.
Can’t beat the 5.3 for an everyday driver, and even small towing.
TBark
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01-28-2023, 04:15 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 44,842
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Actually, it appears to be the 2014 and newer 5.3 that resulted in the class action lawsuit for the collapsed lifters, this is the lawsuit effecting the 2011-2014 5.3 engine. I had two GM vehicles with the 5.3, but they were pre 2011 vehicles, and didn't have either issue.
https://www.cnbc.com/2022/10/06/gm-h...ss-action.html
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Only accurate guns are interesting.
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01-28-2023, 05:26 PM
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Join Date: Apr 2022
Location: Beautiful Northern Alberta
Posts: 194
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The most common things I have seen in my time as an automotive tech with these 5.3's is a collapsed lifter. I have a buddy who had a lifter drop at 8600km. I have also routinely seen these engines a 350km+, would be high up on my choice of trucks if I wasn't such a stubborn Dodge guy.
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01-28-2023, 05:33 PM
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Join Date: Mar 2009
Location: Edmonton
Posts: 9,650
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My son has a 2014 with the 5.3. 220,000 ish km's now. No complaints. Runs good, has have very little for issues other than normal stuff every vehicle deals with and good fuel economy. I'm a Ford guy and think he got a decent truck.
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01-28-2023, 05:38 PM
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Join Date: Nov 2009
Posts: 1,289
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Ya the AFM or DoD is what kills them,oil is directed to the lifters through small valleys to control the DoD.4cyl to 8 cyl.So if oil isnt changed regularly smut gets in kills a lifter and bang engine is done.
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01-28-2023, 05:43 PM
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Join Date: Jun 2011
Location: Calgary SW
Posts: 326
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I just sold my 2014 Silverado LT yesterday.
It had 216,000km. Engine never gave me a single issue. It had the 4 cylinder disconnect, which saved fuel. Was getting 14.0L/100 on highway. My Tundra and Ram buddies were always surprised by how it sipped fuel for a truck
This year had issues with AC condensers, which I had to replace. Other than that only regular wear and tear.
It was a great truck. I miss it already.
But my 3.0L duramax…helps with the pain of the loss 😉
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01-28-2023, 07:19 PM
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Join Date: May 2013
Posts: 3,221
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Quote:
Originally Posted by zabbo
Looking at buying a 2013 GMC truck. Seems like a good deal. Just wondering what the wealth of experience here could tell me. I have heard from a couple people the 5.3 is a good motor.
Thanks for any info good , bad or other wise.
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It might be like a honda. Engine pretty good, but the body will rot away around it.
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01-28-2023, 07:42 PM
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Join Date: Aug 2009
Location: Langdon, AB
Posts: 504
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Quote:
Originally Posted by amosfella
It might be like a honda. Engine pretty good, but the body will rot away around it.
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I think the major rust issues were from 2008-2012 but subsided since then? Could be wrong.
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Instagram: @albertahuntingcrew
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01-28-2023, 07:44 PM
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Join Date: Apr 2022
Location: Beautiful Northern Alberta
Posts: 194
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Quote:
Originally Posted by bigbuck
I think the major rust issues were from 2008-2012 but subsided since then? Could be wrong.
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Seems that way. I haven't seen much for rust on the newer Chevy/GM trucks. I know the rear fenders used to go badly on them.
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01-28-2023, 08:02 PM
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Moderator
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Join Date: Jun 2010
Location: Stony Plain
Posts: 6,570
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My 08 is substantially lighter than it was when it came from the dealer. I don’t worry about scratching it anymore.
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01-28-2023, 08:27 PM
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Join Date: Oct 2009
Location: WMU 108
Posts: 2,465
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Had an 01 that had head gaskets done at 140k. No repairs after that and sold it at 330k. My 05 did 2 water pumps. Hydraulically locked it at 220k and scrapped the engine. Put in a used one from a wrecker with 125k, put about 60k on it and had to do knock sensors and intake gaskets. Than a water pump. Have put a 100k on this second engine now and am expecting to do some sort of repair. It’s been a couple months now with no repairs. Learn to love you your check engine light as it will be on quite a bit.
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01-28-2023, 08:33 PM
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Join Date: Jan 2012
Location: 204
Posts: 5,397
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I've got 300,000 on my 2011 suburban, and it is using some oil now.
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"I like to quote my own quotes" ~ Dewey Cox
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01-28-2023, 09:02 PM
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Join Date: Oct 2007
Posts: 713
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Im replacing one right now. Original engine shows 800 thousand kms.
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01-28-2023, 10:05 PM
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Join Date: Aug 2009
Location: Langdon, AB
Posts: 504
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Quote:
Originally Posted by sako1
Im replacing one right now. Original engine shows 800 thousand kms.
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Wow. What year?
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Instagram: @albertahuntingcrew
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01-28-2023, 10:39 PM
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Join Date: Oct 2007
Posts: 713
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Quote:
Originally Posted by bigbuck
Wow. What year?
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Its a 2009
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01-28-2023, 11:19 PM
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Join Date: May 2007
Location: Fort Sask, AB
Posts: 4,910
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Originally Posted by sako1 View Post
Im replacing one right now. Original engine shows 800 thousand kms.
Wow. What year?
Geez, every day driver and work truck maybe?
TBark
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01-28-2023, 11:19 PM
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Join Date: May 2009
Location: near Calgary
Posts: 6,638
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230000 km on my 2000 silverado and passed to both boys when i bought low mileage 2014 silverado. Replaced engine at 59000 km 10 months over warranty. Search google results on how many fail under 100,000 km due to lifters failing to engage on one side with fuel management system.
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a hunting we will go!!!!!!
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01-29-2023, 12:21 AM
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Join Date: Oct 2009
Posts: 4,858
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The 5.3L is one of the most reliable engines ever built. As long as normal maintenance has been done the engine and tranny should work for a long time.
__________________
“If all mankind minus one, were of one opinion, and only one person were of the contrary opinion, mankind would be no more justified in silencing that one person, than he, if he had the power, would be justified in silencing mankind.” John Stuart Mill
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01-29-2023, 12:34 AM
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Banned
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Join Date: Mar 2017
Posts: 863
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Best engine to have in your truck.
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01-29-2023, 01:32 AM
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Join Date: Sep 2012
Posts: 1,005
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Thoughts on GM 5.3 L engine. Good? Bad?
May very well be the best domestic engine produced, prior to active fuel management.
Post-AFM, I’d be cautious but it’s still one of the best choices.
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01-29-2023, 08:46 AM
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Join Date: May 2007
Posts: 6,898
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Buddy has an 2004 5.3. 565,000 KM, rusty old bucket, for the last 100,000 or so he didn't change oil, just added a quart every few months. Engine still runs great, tranny went out on it, probably never changed the fluid in that either.
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