Removal Procedure

WARNING: Do not allow smoking or the use of open flames in the area where work on the fuel or EVAP system is taking place. Anytime work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.

WARNING: Whenever fuel lines are removed, catch fuel in an approved container. Container opening must be a minimum of 300 mm (12 in) diameter to adequately catch the fluid.

WARNING: Refer to Gasoline/Gasoline Vapors Warning .

CAUTION: Fuel/Vapor lines cannot be spliced or repaired. The line must be replaced (if damaged) with the same type of line.

Relieve the fuel system pressure. Refer to Fuel Pressure Relief (Without CH 48027) or Fuel Pressure Relief (With CH 48027) .
Disconnect the negative battery terminal. Refer to Battery Negative Cable Disconnection and Connection .

Fig 1: Disconnecting/Connecting Engine Fuel Hose/Pipe At Chassis Fuel Hose/Pipe

Courtesy of GENERAL MOTORS CORP.

Disconnect the engine compartment fuel hose/pipe (2) from the chassis fuel hose/pipe (3). Refer to Metal Collar Quick Connect Fitting Service .
Cap the fuel hose/pipes to prevent contamination and fuel leakage.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig 2: View Of Chassis Fuel Supply Line, EVAP Canister Purge Hose/Pipe & EVAP Canister-To-Underbody Nuts

Courtesy of GENERAL MOTORS CORP.

Disconnect the chassis fuel hose/pipe (2) from the fuel tank. Refer to Metal Collar Quick Connect Fitting Service .
Cap the fuel hose/pipes to prevent contamination and fuel leakage.

Fig 3: View Of Fuel Hose/Pipe & Retainers At Vehicle Underbody

Courtesy of GENERAL MOTORS CORP.

Release the pipe retainers (1) from the vehicle underbody.
Remove the fuel hose/pipe from the pipe retainers.
Remove the fuel hose/pipe from the vehicle.