Chevrolet Silverado / GMC Sierra. Service manual — part 2243

GLOBAL POSITIONING SYSTEM (GPS) ANTENNA REPLACEMENT

Steering Shaft Replacement .

4. Remove the 4 I/P bolts to body bolts.

5. Disconnect the 5 electrical connections on the passenger side.

6. Pull the passenger side of the I/P back approximately 760 mm (2.5 ft) pivoting on the

drivers side. Set on floor or seat.

7. Remove the 2 screws from the HVAC recirculation door and push door towards the

center of the vehicle. Refer to Air Inlet Assembly Replacement .

8. Disconnect the coaxial cable at the junction.

9. Insert a shim between the HVAC and side metal approximately 38 mm (1.5 in).

10. Tape pull wire to the coaxial cable.

1

Radio Antenna Mast

Tighten: 6 N.m (53 lb in)

NOTE:

Refer to Fastener Notice .

2

Air Inlet Grille Outer Cover

3

Radio Antenna Assembly Screw (Qty: 3)

Tighten: 5 N.m (44 lb in)

4

Radio Antenna Assembly
Tip:

1. Remove the cable grommet from the body using the screwdriver from top

down.

2. Tie a long wire to the antenna cable to aid in installation of new antenna.

Use a screwdriver to guide the cable from the inside.

3. Tape a long pull wire to the antenna cable to aid in installation of the new

antenna. Use a screwdriver to guide the wire from the inside.

4. Lubricate the grommet to aid in installation.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 22: Global Positioning System (GPS) Antenna Replacement
Courtesy of GENERAL MOTORS CORP.

RADIO ANTENNA CABLE EXTENSION CABLE REPLACEMENT (WITH RPO SLT)

Callout

Component Name

Preliminary Procedure

1. Remove the instrument panel (I/P) upper trim pad. Refer to Instrument Panel Upper

Trim Panel with Windshield Defroster Nozzle Grille Replacement (without
RPO SLT) or Instrument Panel Upper Trim Panel with Windshield Defroster
Nozzle Grille Replacement (with RPO SLT) .

2. Remove the radio. Refer to Radio Replacement (without RPO SLT) or Radio

Replacement (with RPO SLT).

1

Radio Antenna Module Assembly

Procedure

1. Disconnect the antenna module from the radio.

2. Disconnect the extension cable from the center HVAC duct.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 23: Radio Antenna Cable Extension Cable Replacement (with RPO SLT)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure

1. Remove the instrument panel upper trim pad. Refer to Instrument Panel Upper

Trim Panel with Windshield Defroster Nozzle Grille Replacement (without
RPO SLT) or Instrument Panel Upper Trim Panel with Windshield Defroster
Nozzle Grille Replacement (with RPO SLT) .

2. Remove the radio. Refer to Radio Replacement (without RPO SLT) or Radio

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

RADIO ANTENNA CABLE EXTENSION CABLE REPLACEMENT (WITHOUT RPO SLT)

Fig. 24: Radio Antenna Cable Extension Cable Replacement (without RPO SLT)
Courtesy of GENERAL MOTORS CORP.

Replacement (with RPO SLT).

3. Remove the instrument panel center trim panel. Refer to Instrument Panel Center

Trim Panel Replacement (with RPO SLT) .

1

Radio Antenna Extension Cable Assembly
Tip:

Disconnect the extension cable from the antenna.

Disconnect the extension cable from the radio.

Disconnect the extension cable from the center HVAC duct.

Callout

Component Name

Preliminary Procedure

1. Remove the instrument panel upper trim pad. Refer to Instrument Panel Upper

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado