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100K Miles

Gangly
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Gangly Senior Enthusiast

Gangly

Posted
Posted

People generally only come here to ask questions about issues they are having with their vehicle, so I figured I would make a post about how decent mine has been.

 

2020 5.3 8-Speed CC Z71 - I've had the tuck for a hair over 3 years and finally clipped 100,000 miles on my way to work the other morning.

 

The truck has been a trooper and has held up well so I have no real complaints about its durability.  The engine and transmission are both as smooth as the day I purchased the truck, and I cant really say anything negative about the power train as a whole.  Overall, it has been a good purchase up to this point and I hope it continues all the way up to 200,000 miles(my personal break even point on a truck).

 

Repairs:

Rear Window Leak - Factory Replaced the rear window

Serpentine Belt - Threw the serpentine belt at 40k and 80k miles(I keep a spare with me)

Transfer Case Leak - The only powertrain leak I've had was from the transfer case input seal that was noticed around 85k miles.  I was able to replace the seal myself which took an afternoon to do.

Shocks - The Rancho shocks were shot at 20K miles with fluid visibly leaking.  I replaced them with Eibach shocks and the install took half of an afternoon to do.  I have a spare set of new-in-box Eibach shocks ready to replace these when they wear out, but I have 80K miles on them right now and they still feel great.

 

Maintenance:

Transfer Case Fluid - Drained and refilled around 85K+ miles with Mobile 1 Blue Label

Oil and Filter - Castrol® EDGE® with Fluid TITANIUM Technology(0W-20) and FRAM Ultra Synthetic 20,000 Mile Protection.  I usually do the oil and filter change before the indicator gets to 10% life remaining(around 6,500 - 7,500 miles depending on usage).

Air Filter -AC Delco OEM replacement swapped according to the GM recommended change indicator somewhere in the 90K+ miles range.

Tires - The Goodyear DuraTracs and Bridgestone Duelers have been great, with the Duratracs finally getting to noisy for me.  Considering I'm at 100K miles and have only had to purchase a single set of replacement tires, I think both brands have held up well.  I will most likely be purchasing a new set around September/October since these are getting low enough to where I wouldn't want my wife driving around on them in the winter.

 

Upcoming Maintenance:

Transmission Thermal Bypass Valve(TBV) - It's sitting on my work bench ready to be installed, I just haven't had the time to do it.  I'll most likely make a YouTube video of the install and fluid flush when I do.

 

 

 

 

 

 

100K.jpg

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KARNUT Senior Enthusiast

KARNUT

Posted
Posted

The 100K plus isn’t a new game to me. All my work trucks usually hit that milestone every two years. The 150 mile plus club is another story. People who wish to venture into this arena should follow the extreme scheduled maintenance. I’m the second owner of my 02 avalanche at 180K miles with trouble free service. It has general maintenance with only an AC oring at 200$ service and a caliber replacement. One can of bars leak for a possible crack head. That has held for two years. Two other vehicles, a Genesis and an Odyssey both now at 130K. At at 100K miles had 3000$ of extreme maintenance requirements for maintenance and repairs. To reach 200k miles of trouble free service. 

reeseb Enthusiast

reeseb

Posted
Posted

Great post. Have you changed the cabin filter? If not, post a pic. Thanks. 

Gangly Senior Enthusiast

Gangly

Posted
  • Author
Posted
5 hours ago, reeseb said:

Great post. Have you changed the cabin filter? If not, post a pic. Thanks. 

I have not.  I'll post when I do.

AJMBLAZER Enthusiast

AJMBLAZER

Posted
Posted

I’m 10,000 and change behind you in almost 4 years. So far so good. 
 

Did yours ever have the dreaded front axle stub shaft “ringing”?

Gangly Senior Enthusiast

Gangly

Posted
  • Author
Posted

No, mine is a Mexico truck, and if I remember correctly the front axle issues were only on the GM manufactured axle (Made in the USA trucks).  The Mexico trucks had a different front axle manufacturer and they never had the issue.

AJMBLAZER Enthusiast

AJMBLAZER

Posted
Posted

Yours must have the AAM Co Axles then.

 

I dunno.  Mine did it.  They replaced it under warranty before the big, official fix last year and I haven't had any issues since then.  Guys throwing hissy fits and talking about Lemon Lawing their trucks, etc.  Mine works.

Gangly Senior Enthusiast

Gangly

Posted
  • Author
Posted
1 hour ago, AJMBLAZER said:

Yours must have the AAM Co Axles then.

 

I dunno.  Mine did it.  They replaced it under warranty before the big, official fix last year and I haven't had any issues since then.  Guys throwing hissy fits and talking about Lemon Lawing their trucks, etc.  Mine works.

Yes, my truck has the AAM axles.  I am not aware of any trucks with AAM axles having this issue, but I definitely haven't been keeping up with the numbers very closely.

Irish Arabic New Member

Irish Arabic

Posted
Posted
Quote

Yes, my truck has the AAM axles.  I am not aware of any trucks with AAM axles having this issue, but I definitely haven't been keeping up with the numbers very closely. drift boss

Watch them more carefully. It's also really necessary.

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