Crankshaft

Removing and installing crankshaft on 4.8-liter DFI engines

Information

Component changes for model year 2009 as of October 2008

Information
Always read the information concerning modified tightening specifications and component changes relating to repairs provided for specific engine numbers in the Information section.

Preliminary work

1. Remove the engine.
2. Remove engine from transmission.
3. Secure engine on assembly support.
4. Drain engine oil.
5. Disassemble the engine. Cylinder heads are removed, but must remain intact. The starter, knock sensors, thermostat housing and coolant guide remain fitted on the crankcase.

Information

Component overview as of October 2008





Crankshaft

1 - Crankshaft

2 - Straight pin, 6 x 20

3 - Spring, 5 x 6.5

4 - Thrust washer (grooves facing out)

5 - Main bearing shell, upper

6 - Main bearing shell, lower

7 - Shaft sealing ring - Do not touch sealing ring lip! Clean crankshaft flange and oil lightly

8 - View of crankshaft flange

9 - Crankshaft bearing classification (four types) Y Yellow; B Blue, R Red; N Green - (example: YYYYY-BBBB; 5 main shaft bearings with yellow marking, 4 double (8) connecting rod bearings with blue marking) - For numbering, see A

A - Direction of travel (main bearing 1 is the first in direction of travel against output)

Subsequent work

1. Assemble the engine.