New Product Information for HUMMER H3 2007
The purpose of New Product Information is to highlight or indicate important new features for the service community.
Changes may include one or more of the following items:
| • | Torque values and/or fastener tightening strategies |
| • | New sealants and/or adhesives |
| • | Disassembly and assembly procedure revisions |
| • | Engine mechanical diagnostic procedure revisions |
New Sealants and/or Adhesives
| • | U.S. and Canadian SPO part numbers |
| • | 3-Bond sealant P/N 12378521 |
Engine Features
| • | Powder metal connecting rods with oil squirter hole |
| • | Full floating piston pins |
| • | Lost foam casted aluminum block and head |
| • | Aluminum camshaft cover |
| • | Electronic Throttle Control - ETC |
| • | Composite intake manifold |
| • | Bridge/bearing beam - stiffener ladder |
| • | Stainless steel fuel rail |
| • | Coil-on-plug ignition system |
