Disassembly Procedure

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

Use the following procedure if any HPR fittings require replacement:

Fig 1: Identifying High Pressure Regulator (HPR) Components

Courtesy of GENERAL MOTORS CORP.

Remove the coolant fittings (2, 5).
Remove the pressure relief device (3).
Remove the fuel outlet fitting (4).

Fig 2: Identifying High Pressure Regulator (HPR) Inlet Fitting Components

Courtesy of GENERAL MOTORS CORP.

Remove the filter spring (4).
Remove the filter (3).
Remove the seal (2).