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 > 2020 chevy trail boss

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ktosv

Grand Rapids, MI

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Posted: 10/26/21 09:04pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

2007 with 4l80 transmission


If it’s an ‘07 with the 4L80E that means it’s a 2500 or 3500 with the 6.0L. Arguably a bullet proof engine, but the gearing in the 4L60E and newer 6/8/10 speed trannys are way more favorable (at least comparing first gear, which is critical for towing or getting rolling).


Kevin and my...
Wife and six kids
2017 Suburban (5.3L/6A/3.08)
6x12 Enclosed Utility

Sold...2011 Express 3500 (6.0L/6A/3.42)
Sold...2010 Passport Ultra Lite 2910

enblethen

Moses Lake, WA

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Posted: 10/27/21 07:28am Link  |  Quote  |  Print  |  Notify Moderator

"07 GMC Sierra Classic 5.3 Flex fuel, He uses regular gasoline.


Bud
USAF Retired
Pace Arrow

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Grit dog

Black Diamond, WA

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Posted: 10/27/21 10:10am Link  |  Quote  |  Print  |  Notify Moderator

3 pages of replies and the last post that had anything to do with the OPs question was post #6 on the first page....
I'm guilty of starting the ball rolling downhill based on part of a previous comment that also had nothing to do with the original question as an apples to oranges comparison.

If we were in confession, I am part of the problem....lol


2016 Ram 2500, MotorOps.ca EFIlive tuned, 5” turbo back, 6" lift on 37s
2017 Heartland Torque T29

enblethen

Moses Lake, WA

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Posted: 11/09/21 05:09pm Link  |  Quote  |  Print  |  Notify Moderator

I recently saw an article indicating 5.3 engines have a lifter issue. There is suppose to be a service bulletin on the issue. Free repairs!

* This post was edited 11/09/21 05:28pm by enblethen *

LITEPHIL

AZ

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Posted: 11/09/21 08:19pm Link  |  Quote  |  Print  |  Notify Moderator

My 2019 5.3 towing 6,000 lbs can accelerate up any 7% grade here in Az with no problem. My 93 suburban 5.7 could hardly maintain 35 mph on the same hill and my 2002 5.3 had to hit first gear but this 2019 5.3 8 speed is a towing beast for a small engine.


2019 Chevy RST Silverado 1500
1954 Chevy 3100 Carryall 4x4
2002 Sandpiper T22
04 FXDL Harley

Grit dog

Black Diamond, WA

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Posted: 11/10/21 10:39am Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

I recently saw an article indicating 5.3 engines have a lifter issue. There is suppose to be a service bulletin on the issue. Free repairs!


And the 6.2s apparently, from doing some light reading on why my truck might have pooped the bed yesterday...

Campfire Time

Wisconsin

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Posted: 11/10/21 01:14pm Link  |  Quote  |  Print  |  Notify Moderator

Lots of really vague information in this thread, and no one knows how to look up towing capacity in the owners manual? Accurate numbers certainly aren't going to be found in generic lists on the Internet.

Your owners manual has several pages listing all possible cab, gear, 4wd/2wd, engine, and trim configurations and their respective towing capacities. In my 2016 Silverado manual it starts on page 333. You'll need to know your gear ratio which you can find in your RPO code list. That's found in your glove box, it's a QR code for 2018 and newer (used to be a printed sticker).


Chuck D.
“Adventure is just bad planning.” - Roald Amundsen
2013 Jayco X20E Hybrid
2016 Chevy Silverado Crew Cab Z71 LTZ2
2008 GMC Sierra SLE1 Crew Cab Z71 (traded)


Thunderbolt

North Branch, Mn USA

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Posted: 11/10/21 01:33pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

enblethen wrote:

I recently saw an article indicating 5.3 engines have a lifter issue. There is suppose to be a service bulletin on the issue. Free repairs!


And the 6.2s apparently, from doing some light reading on why my truck might have pooped the bed yesterday...


My coworkers 2021 5.3 just came back from the dealer with the same issue and had all the lifters replaced. His dash lights all lit up like a Christmas tree as well.


Bryan
2003 2500HD Ext. cab short box
6.0 liter 4.10 gears, Nelson performance PCM 293,000 miles
98 K1500 4x4 heavy duty 1/2 ton (Sold)
6,600lb GVWR 5,280lbs on the scale empty
14 bolt rear diff. 3:73 , Tranny and oil coolers
380,000 miles.

Grit dog

Black Diamond, WA

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Posted: 11/22/21 03:27pm Link  |  Quote  |  Print  |  Notify Moderator

Thunderbolt wrote:



My coworkers 2021 5.3 just came back from the dealer with the same issue and had all the lifters replaced. His dash lights all lit up like a Christmas tree as well.


They only did 1 bank, complete. 2 collapsed lifters on the same bank.
Read a TSB dunno if it's the most recent one, that trucks under 8000 miles get ALL lifters replaced if even 1 collapses. Over 8k miles and just the affected bank is replaced.
I would have preferred all of them replaced, presuming the updated ones aren't defective.

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