General Motors — Refueling/Exchanging the Fuel Cylinder
Maintenance · fuel storage cylinder
From a General Motors service manual — check it applies to your exact model before use.
Applies to: General Motors 1.6L engine
Procedure
- Inspect the fuel storage cylinder daily or at the beginning of each shift for leaks, external damage, adequate fuel supply and that the manual service valve is open.
- Check securing straps or retaining devices for damage and that all locking devices are closed and locked.
- Ensure the cylinder locating pin is in the tank collar on horizontally mounted cylinders.
- Check the quick fill valve for thread damage and that the o-ring is in place; check o-ring for cracking, chunking or separation and replace if damaged.
- Check the service line quick coupler for thread damage and o-ring condition; replace if damaged.
- Wipe clean both the female and male connection with a clean rag prior to filling.
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.