| Subject: | Revised Engine Replacement Procedure | 
| Models: | 1995-98 Chevrolet and GMC M/L Models | 
 
This bulletin is being revised to update information on
the engine replacement procedure as indicated below. Please discard Corporate
Bulletin Number 56-61-02 (Section 6 -- Engine Mechanical).
This bulletin is being issued to revise the Engine Replacement procedure
in the Engine Mechanical subsection of the 1995-98 M/L Service Manuals. 
Important: 
|    •  | The Twin Post Hoist Assembly Support Bar, J 41617, is not
available. | 
 
|    •  | This procedure must be performed on a side lift hoist. The engine
and front frame assembly will be removed out of the bottom of the vehicle.
Do not use a single post hoist or a twin post hoist in order to perform this
procedure. | 
 
Please make the following revisions:
|     •  | Remove tool J 41617 Twin Post Hoist Frame Assembly Support
Bar from the Tools Required list at the beginning of the procedure. | 
 
|     •  | Remove the information under the title Twin Post Hoist. | 
 
|     •  | Remove the Twin Post Hoist figure. |