General Motors GMG-857 — Oil Filter Element Replacement
Maintenance
For the General Motors GMG-857, from the General Motors operator's manual.
Applies to: KEM GMG-857, General Motors 5.7L V8 (350 CID) engine
Before you start
- The element cannot be washed and reused.
Parts for this job
- PF25 Oil filter Amazon eBay $475.00
Part numbers from the service-parts list for KEM GMG-857. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove the element by turning counterclockwise; use a filter wrench if hard to loosen.
- Apply a thin coat of engine oil to the packing of the new element.
- Tighten the element fully with a filter wrench.
- If only the element was replaced, replenish oil to proper level.
- Wipe away spilt oil, start the engine and check for leaks from the packing.
Tools required
- filter wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Replace element every 125 hours
Full service-parts list: KEM GMG-857 →
Source: General Motors operator'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.