Removal Procedure
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
- Relieve the fuel system pressure. Refer to Plastic Collar Quick Connect Fitting Service .
- Remove the spare tire stowage lock cylinder.
- Remove the spare tire.
- Drain the rear fuel tank. Refer to Fuel Tank Draining (Rear Tank) .
- Remove the rear exhaust insulator.
- Remove the spare wheel heat shield. Refer to Spare Wheel Heat Shield Replacement
- Remove the spare tire hoist crossmember bolts and crossmember.
- Disconnect the rear fuel tank EVAP line quick connect fittings from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
- Disconnect the fuel and EVAP intermediate line quick connect fittings from the front tank lines. Refer to Plastic Collar Quick Connect Fitting Service .
- Disconnect the chassis harness electrical connector (1) from the fuel pressure sensor.
- Support the fuel tank with a suitable jack.
- Remove the fuel tank strap bolts.
- Remove the fuel tank straps.
- With the aid of an assistant, lower the rear tank until the intermediate line connections can be reached.
- Disconnect the fuel and EVAP intermediate line quick connect fittings from the rear tank. Refer to Plastic Collar Quick Connect Fitting Service .
- Remove the fuel and EVAP intermediate line assembly.
- Cap the fuel and EVAP lines in order to prevent possible EVAP/fuel system contamination.
CAUTION:
Refer to Damage to Fuel Tank Straps Caution .