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High Desert Package

brholtz02
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brholtz02 Enthusiast

brholtz02

Posted
Posted

I've searched the internet and can't find a definite answer.  Is it suppose to be waterproof?  Does anybody know for sure?

 

 

TXS

 

Think I need a smaller truck, it just took 7 1/2 to wash and wax.......

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newdude Senior Enthusiast

newdude

Posted
Posted

Not supposed to be 100% waterproof per GM.  High Desert trucks built prior to March 1st 2018, do get some help if you have water issues.  See below:

 

Quote

 

18-NA-135: Water Leaks in Bed Area on Trucks Equipped with High Desert Package

 

Some customers may comment on finding water leaks in the bed area of their vehicle, which has the High Desert option package.

 

The cause of the condition may be that the design intent of the High Desert Package is NOT to provide a completely water tight cargo area. The package is designed to have a water management system, but some water may still migrate into the bed area.

 

A design improvement has been made to all of the service parts listed in the part table below. Follow the Service Procedure below for part replacement and additional steps that can reduce, but not eliminate, water getting into the bed area.

 

 

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T1Kaiju Enthusiast

T1Kaiju

Posted
Posted

Its just like the avalanche, not 100% but close. You gotta make sure all the tracks and seals are clean, and not folded over which is easy to do putting on a panel wrong. Rain doesnt get in mine, but high pressure sprays from carwash can let a little by. The saddlebags are waterproof though...

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qwank Senior Enthusiast

qwank

Posted
Posted

we had two at work and they parked them under the only two trees on the lot. The water management drains clogged and  The beds were full of water when a customer finally came in to look at the a few months later.  

Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted

I owned an Avalanche for 6 years, and never one leak inside the bed with the covers on.

I miss that truck. I wish they made them again.

This High Desert package is similar, but no folding mid-gate. The High Desert exterior looks reminiscent of the old Avvys'

T1Kaiju Enthusiast

T1Kaiju

Posted
Posted
I owned an Avalanche for 6 years, and never one leak inside the bed with the covers on.
I miss that truck. I wish they made them again.
This High Desert package is similar, but no folding mid-gate. The High Desert exterior looks reminiscent of the old Avvys'
Lol, everyone I know who had one says same thing - miss it. I get tempted with new tech & better mpg, but nothing rides like it, and it just barely fits in garage where a cc truck will not .

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Sierra Dan Senior Enthusiast

Sierra Dan

Posted
Posted

Yes sir Texas Daddy....

18" or so overall shorter in length, more nimble and sporty feeling. Tighter turning radius.

Not quite the legroom in the back as the K2 CC's but close enough and worth the trade-off with the folding mid-gate

I could haul a 16' piece of trim or lumber with the mid-gate and tailgate down.

Rode like a dream, especially the rear coil over suspension and also if I am not mistaken, more towing capacity than a 1/2 pickup at the time.

 

 

brholtz02 Enthusiast

brholtz02

Posted
  • Author
Posted
23 hours ago, newdude said:

Not supposed to be 100% waterproof per GM.  High Desert trucks built prior to March 1st 2018, do get some help if you have water issues.  See below:

 

 

It books at a 4 hour job, looks like you have to totally dismantle the insert.  Might as well have it done, may not make it totally waterproof but it might make it better and if GM is going to cover it...why not.

  • 2 months later...
Huskersfan Enthusiast

Huskersfan

Posted
Posted

I went to the dealer today and took a look at the tsb. The problem it attempts to fix is the four drains, 2 front and 2 back all can clog. It has you take almost the entire thing apart and make the hole bigger. Also, had you add some shims so that the three hard panels lock down tighter. 

 

I am having them order the shims, but after spending the afternoon unclogging the drains, I feel like I need that done too.

  • 3 weeks later...
T1Kaiju Enthusiast

T1Kaiju

Posted
Posted
I went to the dealer today and took a look at the tsb. The problem it attempts to fix is the four drains, 2 front and 2 back all can clog. It has you take almost the entire thing apart and make the hole bigger. Also, had you add some shims so that the three hard panels lock down tighter. 
 
I am having them order the shims, but after spending the afternoon unclogging the drains, I feel like I need that done too.
Look up avalanche bed slide. The best mod ever for one of these designs.

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  • 1 year later...
  • 9 months later...
Fern New Member

Fern

Posted
Posted
On 7/16/2020 at 4:57 AM, Chevy19801 said:

Anybody want to sale their bed cover package must have all wiring contact me via text 8706360704

 

Is this removable ? 

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