Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 514 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSPOWER ANTENNA MAST REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition to the ACC or ON position.
Turn the radio ON.
Insert the replacement antenna (mast) plastic cable (5) into the power antenna housing, with the serrated side of the cable facing slightly forward and toward the RH side of the vehicle.
When resistance is felt, continue to gently push until the tip of the cable engages in the motor.
While guiding the plastic cable into the housing, have an assistant turn the radio OFF.
Quickly align and guide the antenna mast (4) into the power antenna housing.

Fig 1: Installing Antenna Mast With Contact Spring
Courtesy of GENERAL MOTORS CORP.
Push the contact spring (flared end up) over the antenna mast and into the power antenna housing.
Install the antenna mast nut (2).

Fig 2: Antenna Mast Nut
Courtesy of GENERAL MOTORS CORP.
Using the socket (1) provided, tighten the antenna mast nut (2).
Turn the radio ON and OFF, allowing the antenna to cycle several times; in order to check antenna operation and until the antenna mast fully extends and retracts.
(Usually one or two cycles are sufficient to fully extend the mast.)
Turn the ignition OFF.

Fig 3: Tightening Antenna Mast Nut Using Socket Provided
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.