The Oldsmobile Alero (1999–2004) was Oldsmobile's compact sedan/coupe, offered with four-cylinder or V6 power. The 2004 Oldsmobile Alero factory service manual documents the specific engine and transmission for this model year.
Engine and Transmission Service
The Alero's engine requires the correct oil specification and timing chain service interval documented in the factory manual, along with the manual or automatic transmission fluid specification and service procedure.
What This Alero Manual Covers
- Engine-specific service specs — oil specification, timing service
- Manual or automatic transmission fluid specification and service
- Complete electrical diagrams for all trim levels