General Motors GMG-857 — Replace Engine Oil
Maintenance · Engine oil pan
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
- A badly contaminated or deteriorated oil should be replaced regardless of the replacement intervals.
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
- After shutdown, remove the oil while it is still hot; replace the oil filter at the same time.
- Install the drain plug and pour in fresh engine oil up to the FULL mark on the level gauge.
- After running the engine at idle for several minutes, recheck the oil level.
Specs & values
- Replace engine oil after the first 60 hours and every 250 hours thereafter
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.