General Motors — Primary Fuel Filter - Replacing the Element
Maintenance
From a General Motors owner's manual covering: Carb 5.7L, MP 5.0L, MP 5.7L, MP 6.0L. Check it applies to your exact model before use.
Before you start
- Extreme caution must be exercised when servicing the fuel system. The fuel system operates under high pressure.
Procedure
- Place a suitable container below the unit to collect contaminants.
- Close the valve at the fuel tank (if applicable), then remove the drain plug to empty the filter of fuel.
- Spin the element and bowl off together (use a strap wrench on the element), then remove the bowl from the element.
- Clean the bowl O-ring gland and the sealing surface of the mounting head free of dirt, debris or gums.
- Apply clean motor oil to the new seal and to the bowl O-ring supplied with the new element.
- Place the new seal onto the top of the new element and the O-ring into the bowl gland.
- Spin the bowl onto the element and fill the element and bowl assembly with clean fuel.
- Spin the bowl and element onto the head; tighten snugly by hand - do not use tools.
- Prime the fuel system.
Tools required
- strap wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Primary Fuel Filter Element#: R080033
Source: General Motors owner's 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.