Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Position the battery vent hose assembly (1) to the ESB as noted during removal.
Connect the battery vent hose to the batteries.
Connect the battery vent hose to the air duct hose (2).
Engage the retainers (3) securing the battery vent hose.

Fig 1: View Of Battery Vent Hose & Retainers (5.3L Engine w/RPO HP2)

Courtesy of GENERAL MOTORS CORP.

Install the ESB intermediate cover. Refer to Energy Storage Box (ESB) Trim Cover Replacement (5.3L Engine w/RPO HP2) .