General Motors — Primary Fuel Filter (In-Tank) Replacement
Maintenance
From a General Motors service manual — check it applies to your exact model before use.
Before you start
- Fuel system needs to be primed and air bled out of the lines before the engine is started
Procedure
- Relieve fuel pressure
- Remove fuel pump module from tank
- Remove filter from module reservoir bottom
- Inspect primary fuel filter for being plugged or contaminated; replace as necessary
- Install filter on bottom of module reservoir
- Install fuel pump module in the tank
- Check filter for proper installation and check for fuel leaks
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.