Rear window leak

[Vtur]

Today marks 1 year anniversary for me being without my truck for a rear window leak on my 2019 high country which caused my interior to be mold and mildew filled.  Since then i have been in 2 loaner truck and have now been in a rental truck since the weekend before memorial day.  Since march 17th gm district manager (who will go unnamed) until this process is over had ordered me a 2020 high country truck the weekend before memorial day saying they will escalate the process up,  then for me to find out through my dealer that my builder date for is was the week of August 20th,  my response back to the district manager was i dont want the truck,  give me a 21 high country.   Build date week of 10/5.  So today on my 1 year anniversary,   my dealerships website said my 21 high country  is now in transit.   So i might have it by Thanksgiving.  Oh ya forgot to mention that im still making payments on my 19 because i had a verbal buy back agreement with the district manager and because of covid the buyback division was not working.   And the last time i have spoken to the district manager was july 27th,  trying to reach him for 2 weeks straight vie calling and text with no response back.  When i receive my 21,  after the whole process is done  ceo mary barra will be receiving a very nice email from me saying how pathetic this has been

[Jrodpic]

I ended up getting the top gap 95% sealed and I sealed up the upper portion of the brake light. Took using multiple pieces/sizes of the rubber cord and a hair dryer to heat it up in some places. I eventually want to find a softer material that will seal it in one piece, but I tried what I could with what I have. Only had the truck for 2 weeks but after it’s first wash and our first rain there was a small leak on the passenger corner. My wife is heading up to see family this weekend and it’s supposed to rain all weekend. Truck will be left outside. This will be a good test to see if sealing the top gap and brake light gap stops the leak.

Edited November 9, 2020 by Jrodpic

[SilveradoRST]

3 minutes ago, Jrodpic said:

I ended up getting the top gap 95% sealed and I sealed up the upper portion of the brake light. Took using multiple pieces/sizes of the rubber cord and a hair dryer to heat it up in some places. I eventually want to find a softer material that will seal it in one piece, but I tried what I could with what I have. Only had the truck for 2 weeks but after it’s first wash and our first rain there was a small leak on the passenger corner. My wife is heading up to see family this weekend and it’s supposed to rain all weekend. Truck will be left outside. This will be a good test to see if sealing the top gap and brake light gap stops the leak.

Share some pictures if you can.

[Jac365]

Does this leaking rear window issue seem to be primarily on crew cabs with sliders or are double cabs with sliders being problematic also? So far so good with mine. (fingers crossed)

[Jrodpic]

1 hour ago, Jac365 said:

Does this leaking rear window issue seem to be primarily on crew cabs with sliders or are double cabs with sliders being problematic also? So far so good with mine. (fingers crossed)

Crew Cab Trail Boss here

[Jrodpic]

2 hours ago, SilveradoRST said:

Share some pictures if you can.

 

[RadBrad]

8 hours ago, Jac365 said:

Does this leaking rear window issue seem to be primarily on crew cabs with sliders or are double cabs with sliders being problematic also? So far so good with mine. (fingers crossed)

Crew Cab power slider here

[JWOutdoors29]

Leaking... again[emoji849]

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[bowtie76]

I want to update and say mine is still not leaking, but I'm afraid I'll jinx myself.

 

So I will not say anything.

[Grey3liter4x4]

On 11/9/2020 at 3:15 AM, UGADawgs said:

 

I'd wager good money that it is cracked just like all the others in this thread. 

Welcome to the leakers club. 
 

I'm lucky, If you can call it that, I live in a dry place.  Such a shame that these vehicles are leaking.  Seems like such an avoidable problem.  You can watch the robots sealing seams and installing glass at the factory online.  Somehow there's a glitch in the assembly line that GM isn't addressing.  My $250 GMC that was my first vehicle had holes in the floor but was still water tight, unless you ran over a puddle.  

[bowtie76]

8 minutes ago, bowtie76 said:

I want to update and say mine is still not leaking, but I'm afraid I'll jinx myself.

 

So I will not say anything.

And it's pouring rain right now.

[Grey3liter4x4]

Picked up my truck after the dealer kept it over the weekend to let the adhesive dry.  My leak was only from the slider rail on the passenger side.  They applied a sealant to the outside of the window frame as part of the TSB from GM.  The vehicle had a very noticeable chemical smell in the cab from the sealant.  You can also see where they applied the sealant at the top of slider from the outside.  A bit sloppy in places but as long as you don't actually look carefully its not noticeable.  Also no sign of them removing the headliner or the spoiler.  Was worried it would be damaged or dirty.  

 

So far it's dry after melting snow and rain on the roof the past 3 days. Keeping my fingers crossed.  

[DSW1519]

Anyone aware of any reports of 2021 trucks having the leaking window issue?

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[OnTheReel]

19 minutes ago, DSW1519 said:

Anyone aware of any reports of 2021 trucks having the leaking window issue?

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Nothing I’ve seen yet between here and Facebook. Way too soon to tell though.

[OnTheReel]

Found some new evidence of water trails that weren’t there when I detailed the interior last month. I’ll monitor it, but if the headliner doesn’t get wet, I’m probably not gonna take it back. Don’t want to drive a crummy Malibu for a week while they make a mess again. A sad game of risk vs reward we play. Original caulk job held for around 14 months, FWIW.