General Motors — Replacing the Propane/LPG In-Line Fuel Filter Element
Maintenance
From a General Motors service manual — check it applies to your exact model before use.
Applies to: General Motors 1.6L engine
Before you start
- A small amount of fuel may still be present in the fuel line; use gloves to prevent burns and wear proper eye protection.
- Open the manual valve slowly to prevent activating the Excess Flow Check Valve.
Procedure
- Move the equipment to a well ventilated area and ensure all external ignition sources are not present.
- Start the engine.
- With the engine running close the manual valve.
- When the engine runs out of fuel turn OFF the key and disconnect the battery negative cable.
- Slowly loosen the inlet fitting and disconnect.
- Slowly loosen the outlet fitting and disconnect.
- Remove the filter housing from the equipment.
- Check for contamination and tap the opening of the filter on a clean cloth; check for debris.
- Check canister for proper mounting direction and reinstall the filter housing to the equipment.
- Tighten the inlet and outlet fittings to specification.
- Open the manual valve slowly to prevent activating the Excess Flow Check Valve.
- Check for leaks at the inlet and outlet fittings and the filter housing end connection using a soapy solution or electronic leak detector; make repairs if leaks are detected.
Tools required
- soapy solution or electronic leak detector Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.