Reduced Power, Intermittent Hesitation, Stall in High Altitude/High Ambient Temperatures (Replace Fuel Sender (Module) Assembly)
| Subject: | Reduced Power, Intermittent Hesitation, Stall in High Altitude/High Ambient Temperatures (Replace Fuel Sender (Module) Assembly) |
| Models: | 2003 Chevrolet Express Van |
| 2003 GMC Savana Van |
| with V8 Gas Engine (VINs V, T, U -- RPOs LR4, LM7, LQ4) |
Condition
Some customers may comment on reduced power/hesitation/stall while driving at high altitude with warm ambient temperatures usually above 27°C (80°F).
Correction
Important: When removing fuel tank strap bolts, DO NOT use air tools. Using air tools may cause the retaining clip nut to spin preventing removal of strap bolt.
Replace the fuel tank sender (module) assembly. Refer to the Fuel Sender Assembly Replacement procedure in the Engine Controls sub-section of the Service Manual (SI Document ID #868182). Use the part numbers listed below.
Parts Information
Part Number | Description |
|---|---|
25369308 | Module Kit, Fuel Tank Fuel Pump (Cutaway, Federal Emission (NF2), 208 L (55 gal) Tank (NE7)) |
25369309 | Module Kit, Fuel Tank Fuel Pump (Cutaway, California Emission (NC8), 208 L (55 gal) Tank (NE7)) |
25369310 | Module Kit, Fuel Tank Fuel Pump (Cutaway, Federal Emission (NF2), EXC 208 L (55 gal) Tank (NE7)) |
25369311 | Module Kit, Fuel Tank Fuel Pump (Cutaway, California Emission (NC8), EXC 208 L (55 gal) Tank (NE7)) |
25369312 | Module Kit, Fuel Tank Fuel Pump (Cargo, Passenger) |
Parts are expected to be available March 8, 2004 from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
L1225 | Sender/Pump Assembly, Fuel (Tank Unit) - Left Tank - Replace | Use published labor operation time |
