FixVault

Engine Lubrication System: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Saturn LW200, 2001 Saturn L200, 2001 Saturn L100, 2000 Saturn LW1, and 2000 Saturn LS1. However, it is still accessible from the selected car via links, so may be relevant.

Oil is pressurized by oil pump on front cover and routed through canister-type oil filter to main oil gallery. See Fig 1. Main oil gallery runs full length of cylinder block and supplies oil to crankshaft and camshaft feed passage. Oil is also routed to timing chain tensioner and balance shaft chain tensioner to maintain chain tension.

NOTE: Oil filter canister is mounted vertically on side of engine. See Fig 2 When changing oil filter, ensure canister "O" ring is not cut or damaged.
Fig 1: Oil Flow Circuit Diagram
G00064746Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Canister-Type Oil Filter
G00236153Courtesy of GENERAL MOTORS CORP.