Fuel System - Difficult Vehicle Refueling
Bulletin No.: 04-06-04-031Date: April 22, 2004
TECHNICAL
Subject:
Vehicle is Difficult to Fill with Fuel or Filling Station Pump Shuts Off Before Tank is Full (Replace Fuel Tank Filler Hose)
Models:
1997-2004 Chevrolet Corvette
Condition
Some customers may comment that their vehicle is difficult to fill with fuel or when filling, the pump continuously shuts off before the tank is full.
Cause
This condition may be caused by back pressure within the fuel filler hose. This back pressure trips the fuel nozzle prior to filling the tank, or results in a hard to fill condition.
Correction
Replace the fuel tank filler hose with P/N 10353139. This new hose has been redesigned to provide smoother flow conditions within the section. Use the procedure listed below.
1. Raise and suitably support the vehicle.
2. Remove the left rear tire and wheel.
3. Remove the left rear wheelhouse panel.
4. Loosen the lower hose clamp through access hole in body using 1/4 drive ratchet and extension.
5. Loosen the upper hose clamp.
6. Remove the fuel tank filler hose.
7. Install the new fuel tank filler hose.
8. Tighten the upper hose clamp.
Tighten
Tighten the fuel filler hose clamp to 4 N.m (35 lb in).
9. Tighten the lower hose clamp through access hole in body using 1/4 drive ratchet and extension.
Tighten
Tighten the fuel filler hose clamp to 4 N.m (35 lb in).
10. Install the left rear wheelhouse panel.
11. Install the left rear tire and wheel.
12. Lower the vehicle.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table shown.
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