New Product Information. Saturn VUE

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2004 🢒 VUE - AWD 🢒 Engine 🢒 Engine Mechanical - 3.5L (L66) 🢒 New Product Information

The purpose of New Product Information is to highlight, or indicate, important product changes from the previous model year.

Changes may include 1 or more of the following items:

•	Torque values and/or fastener tightening strategies

•	Changed engine specifications

•	New sealants and/or adhesives

•	Disassembly and assembly procedure revisions

•	Engine mechanical diagnostic procedure revisions

•	New special tools required

•	A component comparison from the previous year

Torque Values and/or Fastener Tightening Strategies

•	All fasteners and threaded holes on the L66 engine utilize metric threads.

•	A second design cylinder head bolt with a torque/angle tightening strategy has been developed with usage beginning in 2006 model year. Refer to Cylinder Head Installation - Left Side or Cylinder Head Installation - Right Side.

New Sealants and/or Adhesives

Sealers and adhesives, as required, are identified within the specific service procedures. Refer to Adhesives, Fluids, Lubricants, and Sealers.

Engine Mechanical Diagnostic Procedure Revisions

All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow may always be used in order to resolve a system condition. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to Diagnostic Starting Point - Engine Mechanical.

A Component Comparison from the Previous Year

•	A second design cylinder head bolt with a torque/angle tightening strategy has been developed with usage beginning in 2006 model year. Refer to Cylinder Head Installation - Left Side or Cylinder Head Installation - Right Side.

•	A second design timing belt drive sprocket and powertrain control module (PCM) have been developed with usage beginning in 2006 model year. Refer to Timing Belt Drive Sprocket Installation.

•	A second design valve stem key and valve spring cap have been developed with usage beginning later in 2006 model year. Refer to Cylinder Head Assemble.