gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Pressure Relief (With CH-48027)|Page 3228 > < Fuel Pressure Relief (With CH-48027)
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The fuel pipe connections

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The hose connections

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The areas surrounding the connections

Note:  If relieving the fuel pressure for the fuel pressure gage installation and removal, it is NOT necessary to proceed with the following steps.

12. Disconnect the CH-48027-2 (2) from the CH-48027-3 (4).
13. Disconnect the CH-48027-3 (4) from the fuel rail service port. 
14. Remove the shop towel from around the fuel rail service port, and place in an approved gasoline container.
15. Install the fuel rail service port cap.
16. Install the engine cover, if required.
17. Tighten the fuel fill cap.

Fuel Pressure Relief (With CH-48027)|Page 3228 > < Fuel Pressure Relief (With CH-48027)