New Product Information for HUMMER H2 2006
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 6.0 liter engine utilize metric threads. |
| • | All M11 cylinder head bolts are the same length and have a common torque/angle tightening strategy. |
Changed Engine Specifications
Piston pin specifications have been revised.
Disassembly and Assembly Procedure Revisions
| • | The piston and pin are to be serviced as an assembly. |
| • | All applications use a full-floating piston pin design. |
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 problem. The diagnostic flow is the place to start
when repairs are necessary. For a detailed explanation, refer to
Strategy Based Diagnosis
in General Information or
Diagnostic Starting Point - Engine Mechanical
.
New Special Tools Required
Angle Meter
J 45059
has been developed to provide technicians with a convenient method to tighten bolts that require the torque angle tightening strategy.
A Component Comparison from the Previous Year
| • | All M11 cylinder head bolts are the same length. |
| • | All applications use a full-floating piston pin design. |
