Today we fix the OnStar antenna water leak on the 2002 Avalanche with a junk yard gasket and found an aftermarket antenna to make it look good.
It’s the same on the Chevy models Silverado, Suburban, Yukon, Tahoe, Blazer, and more.
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We went to the junk yard, where you can find these OnStar antennas on at least 5 different GM model vehicles... and we found an Avalanche that was repainted but they dint bother masking the rubber seal. This protected the seal. After soaking it in de-greaser for 48 hours, the paint fell off the rubber and we were left with a Brand new seal. Unfortunately though, no rubber antennas survived the junkyard.
⚡⚡PLEASE NOTE⚡⚡
OnStar is No Longer Available In Older GM Vehicles.
NOV 25, 2022
GM subsidiary OnStar has recently announced that older GM vehicles will no longer be compatible with OnStar and Connected Services.
Effective through November and December, 2014 model-year and older GM vehicles, as well as select 2015 model-year vehicles, will lose access to OnStar. This affects current GM brands (Chevy, GMC, Buick, Cadillac), in addition to vehicles sold by discontinued brands (Pontiac, Oldsmobile, Saturn, Saab, Hummer).
The reason for this suspension has to do with the service’s cellular network. These vehicles use Verizon’s 2G network, which will sunset in December 2022, as network providers focus on expanded coverage of and access to 4G and 5G networks.
For affected vehicle owners, OnStar Advisors will continue to provide 24/7 support. According to an OnStar spokesperson, members can still call 1.888.4ONSTAR or contact the company through the OnStar Guardian app.
OnStar members impacted by the 2G shutdown will see an automatic reduction in the cost of their monthly subscription to offset the loss of their in-car OnStar service. However, they will still be allowed to keep using the OnStar Guardian app and receive 24/7 access to OnStar Advisors by calling directly by phone.
This billing change will be effective around January 1st, 2023.
Owners of affected vehicles are encouraged to contact OnStar with any questions, and to understand their options moving forward. Additionally, owners are suggested to download OnStar Guardian app, which allows them to carry OnStar services where they go with compatible devices. These services include Mobile Crash Response, Roadside Assistance, Emergency Services, Stolen Vehicle Assistance, and Location Services.
It’s worth noting that the OnStar Guardian app is already included in OnStar’s Safety & Security, Essentials and Premium plans.

See AVALANCH 1500 REPAIRS 5.3L CHEVY VORTEC Playlist for more;    • HOW TO REPLACE STARTER 2002 5.3L Vort...   See

I assume no liability for anything you choose to do to your own car. Due to factors beyond my control, All Repairs you perform to your car are performed at your own risk. I assume no liability for property damage or injury incurred as a result of any information contained in this video. Do your own research. Use this information at your own risk.