Preliminary Procedures

1. Relieve the low side fuel system pressure. Refer to Fuel Pressure Relief.
2. Disconnect the fuel feed line quick connect fitting from the fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service.

1

High Pressure Fuel Pump Fitting

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Lubricate the fuel feed pipe and the high pressure fuel pump fitting with silicon-free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.

Tighten
32 N·m (24 lb ft)

2

Fuel Feed Pipe Bolt (Qty: 2)

Tighten
10 N·m (89 lb in)