gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Pressure Regulator > < Fuel Pressure Check Valve|Service and Repair
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1. Install the fuel pressure connection core assembly (24) using a standard valve core removal and installation tool.
2. Tighten the fuel filler cap.
3. Connect the negative battery cable.
4. Inspect for leaks.

4.1. Turn the ignition ON for 2 seconds.
4.2. Turn the ignition OFF for 10 seconds.
4.3. Turn the ignition ON.
4.4. Inspect for fuel leaks.

5. Install the fuel pressure connection valve cap (23).

6. Install the engine sight shield.

Fuel Pressure Regulator > < Fuel Pressure Check Valve|Service and Repair