New Product Information for GMC Truck GMC K Sierra - 4WD 2001
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 procedures |
| • | Engine mechanical diagnostic procedures |
New Sealants and/or Adhesives
| • | U.S. and Canadian SPO part numbers |
| • | 3-Bond sealant P/N 97720043 |
New Features on the 6.6L diesel engine
| • | Induction hardened deep skirt block |
| • | Mechanical roller lifters |
Engine Features
| • | Fracture split connecting rods |
| • | Full floating piston pins |
| • | Common rail direct fuel injection |
| • | Open vent PCV system with oil separator |
New Special Tools Required
| • | J 44639 Fuel Injector Puller |
| • | J 44640 Valve Stem Seal Installer |
| • | J 44641 Crankshaft Rear Oil Seal Remover |
| • | J 44642 Crankshaft Rear Oil Seal Installer |
| • | J 44643 Flywheel Holding Tool |
| • | J 44644 Crankshaft Front Oil Seal Remover |
| • | J 44645 Crankshaft Front Oil Seal Installer |
| • | J 44646 Valve Spring Compressor |
| • | J 45910 Fuel Injector Sleeve Remover/Installer |
