Fuel Pressure Release
- Loosen fuel tank cap to release fuel tank pressure. Remove cover from fuse/relay block located in left front corner of engine compartment, behind battery. Remove coolant reservoir from bracket. Remove fuse/relay block retaining screws. From underneath fuse/relay block, release 2 locking tabs of fuel pump relay. See Fig 1
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- Remove fuel pump relay from fuse/relay block. Disconnect electrical connector from fuel pump relay. Start engine. Idle engine until it dies. Crank engine for about 10 seconds to ensure residual fuel line pressure is released. Turn ignition off. Install fuel pump relay and remaining components.
Courtesy of GENERAL MOTORS CORP.