2007 - 2013 GM Tonneau Cover Rain Water Leak Diagnosis (Chevrolet Avalanche & Cadillac Escalade EXT)

In this repair video we will go over how to diagnose, test, and repair, rain water intrusion leaks in the tonneau cargo cover design for the Chevrolet Avalanche and Cadillac Escalade EXT models from GM.

The truck illustrated is a 2013 Chevrolet Avalanche LT Black Diamond Edition, but the part numbers, water intrusion procedures and tools shown in this video would be applicable for any GMT900 style 2007 thru 2013 Chevy Avalanche or Cadillac Escalade EXT.

The eBay and Amazon search links below are paid links, for which I may be compensated and earn a commission, if you choose to buy the parts and tools shown in this video thru them:

3M super weatherstrip adhesive 08008: https://ebay.us/Avujdh or https://amzn.to/44yThSf

50% isopropyl alcohol: https://ebay.us/c8JwfD or https://amzn.to/3XEXQbC

GM 88944066 forward seal panel #2 and panel #3: https://ebay.us/XCOMWE
GM 88944067 rear seal panel #3: https://ebay.us/rt5wCp
GM 88944065 forward seal panel #1: https://ebay.us/xj4YgH
GM 88944019 LH side channel weatherstrip: https://ebay.us/DiFuLv
GM 88944020 RH side channel weatherstrip: https://ebay.us/8JK7mL
GM 20787412 LH side gutter: https://ebay.us/waVmSt
GM 20787413 RH side gutter: https://ebay.us/eUSZUi

And if I've saved you some $$ here, consider some coins for the coffee tip-jar! https://ko-fi.com/drshock

2007 2008 2009 2010 2011 2012 2013

Chapters:
0:00 - Problem overview
0:59 - Isolating the source of a leak
9:34 - Adjusting panel gaps
14:08 - Removing the panel #2 seal
16:44 - Preparing the seal for reuse
21:04 - Reinstalling the panel #2 seal
28:17 - Testing the repair
35:40 - Seal parts explosion
36:34 - The "buck" test

#drshock #avalanche

Disclaimer: DrShock, the alias for the human content creator for this YouTube channel, is not responsible for any damages, injuries, losses, or liabilities associated with any repairs, upgrades, or maintenance performed on yours, or any other, vehicle whatsoever. No warranty, express or implied, is made as to the accuracy or completeness of any information provided within this channel. Viewing and using the “as-is" information of this channel is totally at your own risk. Always wear personal protection equipment and follow appropriate vehicle manufacturer service manual guidelines with original manufacturer parts only when performing any repairs, upgrades, or maintenance upon any vehicle.