For 1990-2009 cars

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

Changes may include one 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

• | A component comparison from the previous year

### Torque Values and/or Fastener Tightening Strategies

There are no changes to the fastener tightening specifications for 2007.

### Changed Engine Specifications

There are no changes to the engine specifications for 2007.

### New Sealants and/or Adhesives

There are no changes to the sealants and/or adhesives used for model year 2007.

### Disassembly and Assembly Procedure Revisions

There are no changes to the engine disassembly or assembly procedures for 2007.

### Engine Mechanical Diagnostic Procedure Revisions

There are no revisions to the engine mechanical diagnostic procedures for 2007.

### New Special Tools

• | The piston clip remover and installation tool J 43654 has been replaced by EN-46745 .

• | The oil pressure gage adapter J 36648-A has been replaced by J-21867-6 .

### A Component Comparison from the Previous Year

A new design of timing components is being used. Fourth Design:

• | New secondary timing drive chains, Inverted Tooth (IT) design.

• | The camshaft position actuators incorporate new sprockets that correspond with the use of IT chains on the secondary timing drive system.

• | The intake camshaft position actuators are different for the left and right sides.

• | The left and right secondary timing drive guides are new due to the use of IT chains on the secondary timing drive system.

• | The intermediate timing drive sprockets are new due to the use of IT chains on the secondary timing drive system.

• | New intake camshafts.

• | New second design IT primary timing drive chain.

• | New second design IT crankshaft sprocket.