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 |
New Features on the LL8 Engine
• | Pan-axle design oil pan |
• | Exhaust camshaft position actuator |
• | Exhaust camshaft position actuator valve |
• | Jack bolts on the front cover, rear cover, and oil pan |
Engine Features
• | Powder metal connecting rods |
• | Full floating piston pins |
• | Lost foam casted aluminum block and head |
• | Composite plastic camshaft cover |
• | Electronic Throttle Control - ETC |
• | Composite intake manifold |
• | Bridge/bearing beam - stiffener ladder |
• | Stainless steel fuel rail |
• | Coil-on-plug ignition system |
New Special Tools Required
• | J 44217 Timing chain holding tool |
• | J 44218 Front seal installation tool |
• | J 44219 Cover alignment pins |
• | J 44220 Engine lift bracket |
• | J 44221 Camshaft holding tool |
• | J 44222 Camshaft actuator and sprocket holding tool |
• | J 44226 Crankshaft damper holding and removal tool |
• | J 22227 Rear main seal installation tool |