High Frequency Antenna Replacement

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure It is only necessary to lower the headlining. Only do those steps in the headlining procedure that will allow access to the component being removed. Headlining Front Trim Panel Replacement
1	High Frequency Antenna Bolt CAUTION: Fastener Caution Tighten 9N.m (80 lb in)
2	High Frequency Antenna Retainer NOTE: Discard the retainer and replace with a new retainer.
3	High Frequency Antenna Procedure Disconnect the electrical connectors. Fully remove the old bolt and retainer prior to removing antenna through roof. New antenna bolt and retainer will fit through roof opening prior to tightening the bolt and compressing the retainer.