The purpose of New Product Information is to highlight important technical
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
Torque values and fastener tightening strategies are carryover from
2001 L81.
Changed Engine Specifications
| • | Crankshaft stroke has been changed. |
| • | Cylinder bore has been changed. |
New Sealants and/or Adhesives
| • | A pipe sealant type material is used on the thermostat housing
bolts. |
| • | A new anaerobic gasket marker is used on the engine oil cooler
cover. |
| • | A new anaerobic gasket marker is used on the oil pan. |
Disassembly and Assembly Procedure Revisions
The majority of the disassembly and assembly procedures have been revised,
due to the newly designed engine assembly.
Engine Mechanical Diagnostic Procedure Revisions
A new Engine Compression Test procedure has been added using a Tech
2.
New Special Tools Required
J-43276 Clutch Pilot Bearing Remover
A Component Comparison from the Previous Year
| • | The 3.2 liter, LA3, and 2.6 liter, LY9, engines
have replaced the 3.0 liter, L81 engine. |
| • | Some of the new features include: |
| - | Cylinder bores have enlarged to 87.5 mm (3.45 in)
for the 3.2L and deceased to 83.2 mm (3.28 in) for the 2.6L. |
| - | Crankshaft stroke has been changed to 88 mm (3.47 in)
for the 3.2L and 79.6 mm (3.13 in) for the 2.6L. |
| - | The 3.2L has a forged steel crankshaft. |
| - | The 2.6L has pressed fit piston pins. |
| - | A new oil filter adapter that allows room for the close-coupled
catalytic converter. |
| - | The ECM is now located on the right side camshaft cover. |
| - | Multi-wall steel exhaust manifolds are used to decrease
loss of exhaust gas heat. |
| - | A new structural oil pan is used. |
| - | Secondary Air Injection has been removed on both engines. |
| - | Flywheel adapter and retainer has been deleted. |
| - | A new engine block heater is being used. |
| - | Timing belt idler pulley has been relocated, to minimize belt
noise. |
