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 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 required
- A component comparison from the previous year

Torque Values and/or Fastener Tightening Strategies
- The new service thread repair tools and service procedures are identified.
Refer to Thread Repair, Thread Repair Specifications, and Specifications for additional information.
- A second design connecting rod bolt may be used. The proper fastener tightening value MUST be used with the correct bolt.
Refer to Piston, Connecting Rod, and Bearing Installation.

New Sealants and/or Adhesives
No sealant or adhesive changes from the previous year. Refer to Sealers, Adhesives, and Lubricants.

Engine Mechanical Diagnostic Procedure Revisions
Base Engine Misfire, Valve Train, and other diagnostic information is now provided in table form. Potential or probable causes are supplied for each specific concern.

New Special Tools Required
The proper thread repair procedures for aluminum cylinder blocks and cylinder heads have been added. Refer to Thread Repair.

A Component Comparison from the Previous Year
- Exhaust manifolds are a cast iron design with bolt on heat shields. Refer to Engine Component Description.
- The vapor vent pipe, located above the engine valley cover will now be referred to as the engine coolant air bleed pipe. Refer to Disassembled Views.