Removal Procedure
- Turn OFF the ignition.
- Command the fuel pump OFF with the scan tool.
- Open the bleed valve on the fuel pressure gage in order to bleed the remaining fuel from the fuel pressure gage.
- Remove the bleed hose from the fuel pressure gage.
Courtesy of GENERAL MOTORS CORP.
- Disconnect the AU-338
(2) fuel pressure gage from the AU-465
(1). Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
- Disconnect the AU-465
(1) fuel pressure test hose adapter to the fuel pressure connection. Wrap a shop towel around the fitting while connecting the AU-465
(1) in order to avoid spillage.
- Install the fuel pressure service connection dust cap to the fuel rail.
- Install the engine covers. Refer to Engine Cover Replacement
.