General Motors — Replacing Primary Fuel Filter Element
Maintenance
From a General Motors owner's manual covering: 5.0L MPI, 5.0L MPI CES, 5.7L MPI, 5.7L MPI CES, 6.0L MPI, 6.0L MPI CES, 6.0LHO MPI CES, MP 5.0L, MP 5.7L, MP 6.0L. Check it applies to your exact model before use.
Before you start
- Make sure there are no fuel leaks before closing the engine hatch
- Do not use tools to tighten the bowl and element
Procedure
- Place a suitable container below the unit to collect contaminants
- Close fuel tank valve, remove drain plug to empty the filter
- Spin the element and bowl off together using a strap wrench
- Clean the bowl O-ring gland and sealing surface of mounting head
- Apply clean motor oil to new seal and bowl O-ring
- Place new seal on element top and O-ring into bowl gland
- Spin bowl onto element and fill assembly with clean fuel
- Spin bowl and element onto head; tighten snugly by hand
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.